Ultra lightweight concrete Typically, instead of coarse aggregates (sand and stone), microlightweight materials, such as rubber powder [12], aerogels [13], sludge ceramsite [14], and cenospheres [15, 16], are attempted to be introduced as lightweight aggregates to the preparation of ULSHC. ) [16, 26, 27], few studies focused on the foam functionalization and performance of the resulting foam concrete. . It is used for insulating roof decks, raised beds, curtain wall systems, LNG tank roof insulation and other permanent insulation applications. The objective of this research is to investigate the feasibility of using ULECC in novel PC composite slab to reduce its self-weight, while improve “Flexural fatigue behavior of ultra-lightweight cement composite and high strength lightweight aggregate concrete. The present study presents a methodology to design ultra-lightweight concrete that could be potentially applied in monolithic concrete structures, performing as both load bearing element and thermal insulator. To make this concrete, combine 8 parts cement, sand and lightweight aggregate with 5 parts water. Based on the existing information, the excessive use of natural aggregates has P. 12 W/(m K); and moderate mechanical prop- The HPLC was comprised of lightweight microspheres and sustainable ultra high-performance concrete (UHPC), which was prepared with a large volume of waste glass. To sum up, Infra lightweight concrete (ILC), ultra lightweight concrete (ULWC) or “warmbeton” is the state-of-the-art concrete in terms of density and insulation properties and classifies concrete with a Unlike normal concrete, ultra-lightweight engineered cementitious composite (ULECC) with a combination of low density and high tensile performance is a promising material for PC slab construction. Studio Jean-Philippe Nuel has created a new model of ultra-lightweight, high-performance fibre-reinforced concrete panels for Concrete LCDA The present study proposes the development of ultra-high performance lightweight concrete (UHPLC). High strength and light weight are two recent opposite development trends of concrete. The combined expanded glass particles and cenospheres were used as fine aggregates to facilitate the ULCC mix with a density of 1075 kg/m 3 and 28-day strength of 20 MPa. Maximum-Spec light-weight Concrete Mix is ideal for both structural and non structural applications over 2 in. Mater. The inferior mechanical properties and durability of conventional lightweight concrete restrict its wider application. At Dry Density ranges between 20–40 lb/ft 3 (340–640 Kg/m 3), perlite lightweight concrete is among the lightest concrete mixtures available, helping to reduce dead loads on buildings and the overall strength needed to support a building in the event of an earthquake. The special capabilities of this high-quality product, which leads to a reduction in execution costs, are of attention of constructors of The applicability and efficiency of polystyrene aggregate concrete (PAC) encased cold-formed steel (CFS) elements was introduced in the first part of the paper [1], where the advantageous behaviour of PAC were also described based on previous research works [2], [3], [4]. The macroscopic properties are closely related to the pore structure characteristics, but the structural nature of LUHPC under different Request PDF | On Mar 1, 2023, Bo-Yu Deng and others published Flexural behavior of precast ultra-lightweight ECC-concrete composite slab with lattice girders | Find, read and cite all the research Request PDF | On Mar 1, 2023, Bo-Yu Deng and others published Flexural behavior of precast ultra-lightweight ECC-concrete composite slab with lattice girders | Find, read and cite all the research To reduce the dead load of concrete structures, this study developed a high performance lightweight aggregate concrete (HPLAC) by combining the use of ultra high performance cementitious composite (UHPC) and different types of aluminosilicate lightweight aggregates (LWAs). 5 N) with a Blaine fineness of 3410 cm 2 /g and a specific gravity of 3. 6 g/cm 3 [23]. First, the mixing water and cement binder material was poured into the mixer bowl and then mixed. Introduction ABSTRACT Acoustic and thermal comfort play an impolTant role in the building environment. A test program comprising 15 specimens were carried out to investigate the ultimate strength behavior of these structures made of ULCC. Use for setting footings, pouring slabs and anchoring posts and poles; This paper investigates the mechanical behavior of a new type of ultra-lightweight cement composite (ULCC) with density less than 1400 kg/m 3 and strength up to 60 MPa after exposing to elevated temperature up to 1000 °C. L. , Experimental study on ultra-lightweight-concrete encased cold-formed steel structures, Part II – Stability behaviour of elements subjected to compression, Thin-Walled Struct. Its weight is reduced by replacing some of the heavier materials with lighter ones, Ultra-lightweight concrete (ULWC) is a relatively new building material that combines moderate thermal insulation properties with load-bearing capacity. 3D-printed lightweight concrete for better building insulation For the EU to achieve its aim of nearly zero-energy buildings, the construction industry has to more readily embrace new technologies. The average 28-days cylinder compressive Novel lightweight flat slabs made of ultra-lightweight cement composite (ULCC) with density of 1329-1649 kg/m3 and strength of 52. In this episode of the Lightweight Concrete Showdown, we make a high-strength lightweight concrete test panel using a mix of 4 parts perlite, 1 part portland In recent years, the development of concrete has been toward to the direction of lightweight and high strengthening. Furthermore, the developed concrete exhibits excellent resistance against The use of ultra-lightweight high strength concrete (ULHSC) for prefabricated structures has been recognized as a promising method of construction. Ultra-lightweight. 36 CHAPTER 9—ENHANCED PERFORMANCE DUE Perlite Ultra-lightweight Concrete (densities less than 50 lb/ft³, or 800 kg/m³) is a mixture of perlite concrete aggregate combined with Portland cement, air-entraining agent and water. Nevertheless, the introduction of PAM has a limited influence on reducing the density of the mixtures. Ultra-lightweight cellular concrete (ULCC) is a developing construction material that could be made by the addition of unique functional aggregates, such as micro-silica [52] and The designed ultra-lightweight concrete panels have national and international patents and approvals. All these developments in the lightweight concrete materials provide more choices to develop the The developed ultra-lightweight concrete, with a dry density of about 650–700 kg/m3, shows excellent thermal properties, with a thermal conductivity of about 0. 1016/j. The other way is to add lightweight aggregates such as volcanic Conducted experiments to develop ultra-lightweight cement (ULCC) that replaced alkali activated slag cement (AASC) with 50%, 60%, and 70% large-capacity cenospheres. In the case of structural LWFC, the unit weight falls within the range of 1400–2000 kg/m 3, whereas regular weight concrete typically has a unit weight of 2400 kg/m 3 [16]. Dunai. However, due to its low weight, it can be integrated with industrial by-products Recent advances in development and innovation of high strength lightweight concrete (HSLWC) were presented. 5 to 18 mm, and palm oil shell aggregate (POS) of 10 to 12. Expanded clay nodules are produced by sophisticated pyrogenic technology whereby geochemically specific clay is expanded in a rotary kiln at high temperature. O 52. The concrete is developed aiming at the application in monolithic Ultra-high-performance concrete (UHPC) has high mechanical strengths and durability, but its density and carbon footprint are usually high. com/channel/UCsMwEHaO1PW Ultra-lightweight EPS concrete is produced by fully replacing the normal aggregates (fine and coarse) with EPS beads and using other materials/admixtures to ensure proper bonding, high flowability, good stability and good surface finish. The hydrophobic nature and very low-density of EPS beads can be a disadvantage when used in concrete because A type of ultra lightweight cement composite (ULCC) was developed [9] to tailor the offshore structural applications in the Arctic areas, in particular for offshore floating structures and liquefied natural gas (LNG) storage tanks. 9 kg/dm 3, showed high capillary porosities of 12 vol% (ultra-high-performance concretes (UHPC This paper investigated the fatigue performance of ultra-lightweight cement composite (ULCC) and lightweight aggregate concrete (LWAC) subjected to flexural load. The material, with a compressive strength of 60–100 MPa and a bulk density of 1. To match the HGM is an ultra-lightweight inorganic material of a hollow sphere structure derived from the recycled glass waste. However, for the preparation of an ultra-lightweight or infra-lightweight concrete, selection of the type of cement is necessary to avoid early age cracks due to heat of hydration. It was shown in the research that the ultra-lightweight concrete was able to restrain global and distortional buckling modes of steel elements, and thus provided full bracing in most practical cases. 90 - 100 Therefore, the acoustic absorption and thermal insulation of ultra-lightweight Miscanthus concrete (ULMC) is investigated using two different kinds of Miscanthus fibers. All these developments in the lightweight concrete materials provide more choices to develop the Ultra-lightweight ceramsite is a kind of ceramsite with bulk density less than 500 kg/m 3 [18]. The designed ultra-lightweight concrete panels have national and international patents and approvals. 1. Lightweight EG particles were also studied recently by Adhikary et al. 5–1 mm), as compared to the density of coarser lightweight aggregates (2–4), as can be seen in Table 2. Maximum Spec Lightweight Concrete Mix (1) Questions & Answers (1) Hover Image to Zoom. The concrete is developed aiming at the application Ultra-lightweight concrete (ULWC) was recently introduced as a novel building material that combines moderate thermal insulation properties with load-bearing capacity. [6] to develop flowable ultra-lightweight concrete, which can be used as a sustainable material for energy-efficient Ultra-Lightweight Foamed Concrete Incorporating Lightweight Aggregates Mohamed Abd Elrahman 1,2 , Mohamed E. -%, were examined. 2022, Case Studies in Construction Materials. (2015) [27] and according to the TCVN 7194:2002 standard [28]. Cellular concrete is a type of lighweight concrete that is an emerging composite in materials engineering This paper aims to investigate the feasibility of the incorporation of nanosilica (NS) in ultra-lightweight foamed concrete (ULFC), with an oven-dry density of 350 kg/m3, in regard to its fresh and hardened characteristics. Using fly ash cenospheres (FAC) with densities ranging from 600 kg/m 3 to 900 kg/m 3 as fine aggregates added to the cementitious matrix, ULCC can achieve low density and high strength. Due to ultra lightweight concrete's porosity, it is also thermally conductive, which makes it suitable for heat resistant projects. Its intended use as monolithic building envelope brings new opportunities in building physics, by merging characteristics of both heavyweight and lightweight construction types [11]. 14. Covers approximately 0. (2017) [26] and Q. The prefix ultra used here is justified, as the developed concrete has . 2. The density, mechanical properties and Recently developed Ultra Lightweight Cement Composite (ULCC) [11,12] was a type of novel composite, which could be categorized as low density ( 1450 kg/m3) with high compressive strength ( 60 MPa) cementitious composite. This study intended to design a novel lightweight ultra high-performance An ultra-lightweight cellular concrete for geotechnical applications – A review. VOC Rating: 0 g/L Shelf Life: 1 year in original unopened container Mixing Ratio: 1 gal XS Lightweight Plus Modifier, 32 oz water to 50 lb XS Lightweight Plus 3 Light Concrete Casting Mix (up to 32 oz add’l water) W hat Is Lightweight Concrete?. 59 cubic foot. This paper developed a lightweight UHPC with low cost, low carbon footprint, low energy consumption, low thermal conductivity, and high ductility, by using three types of lightweight ingredients: hollow glass microsphere (460 Ultra-high-performance concrete (UHPC) has high mechanical strengths and durability, but its density and carbon footprint are usually high. comFollow us @rubbermoldman on Instagram, Facebook and An ultra-lightweight concrete with a proper workability is obtained and the hardened concrete shows excellence performances in terms of mechanical property, thermal property and durability. 36 CHAPTER 9—ENHANCED PERFORMANCE DUE One novel type of concrete that falls under this density class has been developed recently in the Netherlands, and is known as “Warmbeton” [2,3] or ultra-lightweight aggregates concrete (ULWAC) [4,5]. Its intended use Lightweight concrete is a specialized concrete mixture made with lightweight coarse aggregates, and sometimes lightweight fine aggregates, instead of traditional aggregates. 15–0. PROBLEM TO BE SOLVED: To provide concrete having high strength and ultralight weight by using light-weight aggregate having lightweight and high-strength. The size of the normal coarse aggregate (NCA), sintered fly ash aggregate (SFA) of size 12. These lead to harmful environmental phenomena as The PMP 80 lbs. Section snippets Concrete mix design. Highlights. Mix ID This paper aims to investigate the feasibility of the incorporation of nanosilica (NS) in ultra-lightweight foamed concrete (ULFC), with an oven-dry density of 350 kg/m ³ , in regard to its fresh Ultra-lightweight cement concrete (ULCC) has recently been introduced as an emerging construction material, which can be defined as low density (<1450 kg/m3) with high compressive strength (≥60 MPa) cementitious composite [14]. e. In recent years, EPS concrete as structural or semi-structural elements is widely used in bridge barriers, sandwich wall panels, load bearing concrete blocks, curtain walls, etc [10], [11], [12]. This mix comes in strong poly-lined bags to enable easy transportation. In this work, cement properties comply with the requirements of BSEN197/1 (2011) []. Originally, this cementitious material was developed to use in sandwich composite structures for offshore and marine applications [13]. 11 W/(m·K) is resulted. In addition, fly ash and silica fume were used as cement replacing materials, Due to ultra lightweight concrete's porosity, it is also thermally conductive, which makes it suitable for heat resistant projects. 3 MPa have been developed for buildings and offshore Ultra-lightweight concrete (ULWC) was recently introduced as a novel building material that combines moderate thermal insulation properties with load-bearing capacity. 003 〉 Lightweight foamed concrete (LWFC) is a variant of concrete characterised by its low density, typically ranging from 350 to 2000 kg/m 3 [15]. The first way is to add air-entraining agents such as calcium stearate [22] and hydrogen peroxide [23] to form air bubbles in geopolymer concrete [24]. EPS concrete is a kind of lightweight aggregate concrete. We’re a national supplier and have led the way in innovation and customer satisfaction in poured or pumped lightweight cellular concrete and other underlayments. Manufactured and tested in accordance with BS EN 771-3: 2011; Specification for Masonry Units: Aggregate Concrete Masonry Units Despite intensive research works had been done to improve the bubble stability through various stabilizing foaming technologies (surfactant, nano colloidal particles, hydrogel, etc. Ultra-lightweight concrete, which is also known as super lightweight concrete or infra lightweight concrete, is a state of art concrete in terms of density and insulation properties and classifies concrete with a dry density smaller than Ultra-lightweight concrete (ULWC) was recently introduced as a novel building material that combines moderate thermal insulation properties with load-bearing capacity. In the current study, OPC type CEM I (52. ultra high-performance The present study presents a methodology to design ultra-lightweight concrete that could be potentially applied in monolithic concrete structures, performing as both load bearing element In this study, lightweight aggregate-foamed concrete mixtures were prepared by the addition of preformed foam to a cement paste and aggregate. Its intended use as This article presents the laboratory development and subsequent field trials of a novel structural ultra-lightweight concrete. Hollow glass microspheres (HGMS) were used as a lightweight material, and their pozzolanic activity was verified through different tests under multiple curing conditions. 12 W/(m K); and moderate mechanical properties, with a 28-day compressive strength of about 10–12 N/mm2. This study intended to design a novel lightweight ultra high-performance “Flexural fatigue behavior of ultra-lightweight cement composite and high strength lightweight aggregate concrete. The result is that many people believe normal concrete to be cheaper than THE WORLD’S GATHERING PLACE FOR ADVANCING CONCRETE Ultra-Lightweight 3D Printable Cementitious Composites Peyman Zandifaez, PhD Student; Reese Sorgenfrei, PhD Student Hongyu ‘Nick’ Zhou, Ph. 〈 10. FACs are obtained by screening fly ash, a byproduct generated from coal Ultra-lightweight (<100 kg/m 3) foamed concrete based on Portland cement was produced by means of preformed foam. 0376 and 0. [23]. High volume of HGMS was incorporated into ultra high performance concrete (UHPC) matrix, and Ultra-lightweight cement composite (ULCC) is a cementitious composite material without gravel and sand. This DSTC-ULCC system combines the advantages of three materials, 1) outer fiber-reinforced polymer (FRP) 1–3 ply jackets, 2) filled ULCCs, and 3) inner EnviroteQ is a pre-blended, ultra-lightweight concrete mix consisting of cement and 100% recycled polystyrene with a special admixture coating. Adding fibres commonly enhances the mechanical Unlike normal concrete, ultra-lightweight engineered cementitious composite (ULECC) with a combination of low density and high tensile performance is a promising material for PC slab construction. It can be produced by adding special functional aggregates such as expanded recycled glass [7], micro-silica [15 The developed ultra-lightweight concrete, with a dry density of about 650–700 kg/m3, shows excellent thermal properties, with a thermal conductivity of about 0. Recently, foam-template with ultra-stable properties has been Ultra-Lightweight At Dry Density ranges between 20–40 lb/˝3 (340–640 Kg/m3), perlite lightweight concrete is among the lightest concrete mixtures available, helping to reduce dead loads on buildings and the overall strength needed to support a building in the event of an earth-quake. Lightweight, robust, load bearing units manufactured using Class 1 aggregate for fire resistance Masterlite Ultra blocks cannot be used in party walls and are restricted for use in flanking wall types E-WM-2, E-WM-4 & E-WM-11 (Medium Lightweight EG particles were also studied recently by Adhikary et al. The target dry density was achieved by Flexural behavior of precast ultra-lightweight ECC-concrete composite slab with lattice girders. The mixtures were Engineered cementitious composite (ECC), developed based on micromechanical theory by Li [1] and incorporating PVA fibers, represents a distinctive high-performance fiber-reinforced concrete material, boasting an ultimate strain capacity over 3%. The ultra-lightweight cement composite (ULCC) further increased the strength to 60 MPa but retained the density at 1400 kg/m 3 [15], [16]. 12 W/ (m K); and moderate Ultra-lightweight concrete is made by thoroughly mixing cement-based materials, lightweight aggregates, admixtures and water. ” Constr. Compromising the merits of UHPC and lightweight concrete, ultra-high-performance lightweight concrete (UHPLC) is a potential solution to solve the drawback of high self-weight. , Associate Professor Department of Civil and Environmental Engineering University of Tennessee, Knoxville r 1 r 2 r 3 ACI Spring Convention, San The present study aims to characterize the constitutive models of a novel ultra-lightweight low-carbon LC 3 cement composite (ULCC-LC 3) under monotonic uniaxial compression and tension tests. British standards. Yu et al. Monolithic structures made of exposed concrete can once again meet economic and ecological requirements. Check out our website- rubbermoldman. The next generation of wall cladding, made of ultra-thin, lightweight concrete. In our previous research, an ultra-lightweight PC concrete (ULWC) applying lightweight expanded glass aggregates (LWA) was developed [23]. 80 lbs. 5 N is suitable for the production of large-scale ultra-lightweight concrete in terms of heat of hydration and Based on orthogonal experiments, the ultra-high-strength lightweight concrete (UHPLC) with a strength exceeding 100 MPa was prepared using pottery sand (PS) and hollow glass microspheres (HGM) as the weight-reducing material and steel fibres as reinforcement. 35 8. 003 〉 Ultra-lightweight concrete This study is part of the ongoing trend that aspires smarter utilization of thermal mass, and specifically focuses on ultra-lightweight concrete (ULWC). This panel, made entirely of fibre-reinforced concrete, was exclusively developed by Concrete LCDA and offers wall cladding 8. In Lightweight concrete may not be as structurally sound as traditional concrete, but it can be useful in some projects where weight is more important than strength. , 173 ( 2018 ) , pp. Ultra-lightweight cement composite (ULCC), firstly characterizing by combinations of a low density less than 1450 kg/m 3 and compressive strength of about 65 MPa with specific strength-to-density ratio up to 47 kPa/(kg/m 3), has been developed for building and offshore constructions [1], [2]. The Ultra-Lightweight. S. What is Lightweight Concrete? Lightweight concrete is a specialized concrete mixture made with lightweight coarse aggregates, and sometimes lightweight fine aggregates, instead of traditional aggregates. 5 mm were used. UL-FGA is one of the lightest aggregates on the market — 85% lighter than traditional aggregate and delivering up to 100 cu yds per truckload. What is more, fine Liaver (0. 23 and 5. 1800 W/(m∙K), and the compressive strength between 2. The cement (C) used is P. The performance of various dosages of NS, up to 10 wt. Structural lightweight concrete has an in-place density of 90 to 115 lb/ft³, whereas the density of regular weight concrete ranges from 140 to 150 lb/ft³. Its intended use as Cellular concrete is a type of lighweight concrete that is an emerging composite in materials engineering still. This type of cement contains a relatively Building composites based on various types of lightweight aggregate have been widely used in the last decades for production of precast elements (e. Masterdenz Eco Masterdenz ECO blocks are produced using a 30% reduction in embodied CO 2 than our standard Masterdenz blocks while also containing a minimum of 20% non-primary materials. The thermal conductivity increases Perlite India Lightweight Concrete provides the best technical solutions for lightweight concrete integrated with the best waterproofing and industrial flooring solutions on all types of structures. Infra-Lightweight concrete opens new ways to “Baukultur A small q is not ideal in achieving ultra-lightweight concrete with a density of 450 kg/m 3, because of the high density of fine lightweight aggregates (0. ˛e typical density of a perlite lightweight Founded in 1956, Cell-Crete Corporation is the leader in the cellular concrete (foamed concrete) industry. The ULHS systems are also beneficial in the In the Netherlands, due to the high temperature arising from the hydration process, it is called a “warmbeton” or a warm concrete . In recent years, the development of concrete has been toward to the direction of lightweight and high strengthening. tws. In ULCC, cenospheres with a low density of 600–900 kg/m 3 were used Perlite Ultra-lightweight Concrete (densities less than 50 lb/˛ ˝, or 800 kg/m ) is a mixture of perlite concrete aggregate combined with Portland cement, air-entraining . This study explores the use of artificial SAKRETE Lightweight Concrete Mix is ideal for setting footings, pouring slabs and anchoring posts and poles. After demolding, samples were placed in a tight container and submerged in the liquid glass. The present study deals with the development and characterisation of ultra-lightweight foamed concrete (ULFC) that can be automatically sprayed onto bare walls to allow for sustainable facade refurbishments with a smaller workload and extended design possibilities. 30 8. Over the last decade, ECC has garnered significant attention from research communities due to its exceptional Ultra-lightweight concrete with 70 % Portland cement and 30 % waste glass powder. Hence, the developed ultra- Ultra-Lightweight Foamed Concrete Incorporating Lightweight Aggregates Mohamed Abd Elrahman 1,2 , Mohamed E. El Madawy 2 , Sang-Yeop Chung 3, *, Pawel Sikora 1,4 This study investigates ultra-lightweight concrete incorporating Miscanthus fibers as lightweight aggregates to improve sound absorption and thermal insulation properties. The residual compressive strength, elastic modulus, weight loss, failure modes and stress-strain curve behavior are studied experimentally. Furthermore, a very low thermal conductivity of . 4—Self-consolidating lightweight concrete, p. The fine aggregate is standard medium sand (S) with a particle size range of 0. The lightweight is achieved by incorporating hollow cenospheres from fly ash generated in thermal power plants. Adding fibres commonly enhances the mechanical properties of ULHSC but increases its density. In general, LGC is produced by two main methods. The effect of two different protein foaming agents and the addition of polypropylene microfibers on both the fresh and Ultra-lightweight cement composites with a density of 1430 kg/m313 and 28-day compressive strength of about 60 MPa was developed and reported by 14 Chia et al. HGMs can be manufactured by using a high proportion of recycled glass to mitigate the environmental load of abandoned waste glass [24]. 90 - 100 To further lower the structural weight of offshore platform structures and improve the compressive strength of lightweight aggregate concrete, Chia et al. ULWC has recently been introduced as an emerging construction material that can be produced by adding special functional aggregates such as expanded recycled glass The results show that although the designed ultra-lightweight concrete has a very high porosity, the permeability to water under the pressure of 5 bars during 72 h is very low, especially in the case of the samples from Mix B (marked with 2-a/b/c in Fig. The ULHS systems are also beneficial in the This paper presents the development and performance assessment of a novel ultra-lightweight high ductility cement composite (ULHDCC) incorporated with fly ash cenospheres, rubber powders and low Ultra-lightweight (<100 kg/m 3) foamed concrete based on Portland cement was produced by means of preformed foam. This paper developed a lightweight UHPC with low cost, low carbon footprint, low energy consumption, low thermal conductivity, and high ductility, by using three types of lightweight ingredients: hollow glass microsphere (460 Flexural fatigue behavior of ultra-lightweight cement composite and high strength lightweight aggregate concrete Constr. Use for setting footings, pouring slabs and anchoring posts and poles; Therefore, the acoustic absorption and thermal insulation of ultra-lightweight Miscanthus concrete (ULMC) is investigated using two different kinds of Miscanthus fibers. The physicochemical properties of two types of LWAs (i. Due to the presence of denser aggregates in their natural state, traditional concrete can weigh between 140 and 150 pounds per square foot. Because of its high porosity and low bulk density, the ultra-lightweight ceramsite is widely used in lightweight concrete as acoustic and thermal insulators. 279. Ultra-high-performance lightweight concrete (UHPLC), a sustainable and environmentally friendly concrete crafted with artificial lightweight aggregates to preserve non-renewable natural resources like river sand, has garnered significant attention due to its exceptional mechanical properties. In order to balance the strength and self-weight of ULHSC with different fibres, an extensive investigation was carried An increase in density will occur with the rise of the compressive strengths of the lightweight aggregate concrete. This paper is about the possibility of producing ultra-lightweight concrete by using bio-polymer aggregate as a replacement for petroleum polymer. 70 MPa, showing better mechanical and thermal performance than the traditional Portland foamed concrete with the similar The dry density values of all specimens at the age of 28 days ranged from 200 to 270 kg/m³, categorizing them as ultra-lightweight concrete, as reported by F. C70WG30 + liquid glass: Ultra-lightweight concrete with 70 % Portland cement and 30 % waste glass powder. Novel type of HSLWC (i. The ULCC having mean density of 1450 kg/m 3 contained cenosphere as micro aggregates and 0. In this study, cenospheres (CP, a lightweight component) was used to replace part of fly ash (FA) to prepare ultra-lightweight foamed geopolymer concrete (UFGC), and the relationship between the fresh properties of the paste and the stability of The research proposed a method on how to prepare glass shards from municipal solid waste and utilize it in aluminium-based ultra-lightweight concrete (density ≤800 kg/m 3). In current reports [16–19], HGMs are more inclined to be used to develop lightweight ultra-high-performance concrete. This study developed a kind of lightweight ultra-high strength concrete(L-UHSC) through the comprehensive design method, which had an apparent density rang of 1995 kg/m 3-2114 kg/m 3 and a compressive strength of 102. By combining our know-how with the ideas of international designers, we bring to life wall panels that reinvent interior design. [13], [14] developed a new type of ultra-light cement composite material (ULCC) and applied it to the steel–concrete-steel composite structure [6], [9], [15], [16], [17]. Lightweight aggregates (LWAs) are generally used to produce high strength lightweight concrete for structural applications. Therefore, ultra-lightweight cement-based composite materials prepared using HGMs can achieve ideal compressive strength and durability at ultra-low density, surpassing the performance of other lightweight aggregate concretes [4]. 6—Sustainability of lightweight concrete, p. The objective of this research is to investigate the feasibility of using ULECC in novel PC composite slab to reduce its self-weight, while improve 8. Share. En 12390-7. This material is not very heavy and low-density, making it easy to form into different shapes and sizes. ft. On this basis, lightweight Hegyi and Dunai [16,17] investigated ultra-lightweight-concrete encased CFS elements subjected to bending and compression. Google Scholar [51] B. 9% volume of polyvinyl alcohol (PVA) fibers. The typical density of a perlite lightweight concrete roof design averages 27 lb/ft 3 The inferior mechanical properties and durability of conventional lightweight concrete restrict its wider application. BLA, RHA, and POFA were used as replacements for cement in ULFCs at different weight percentages of 0 %, 5 %, 10 %, 15 %, and 20 %. 3—Applications of high-performance lightweight concrete, p. Citation Excerpt : Eurocode 2 Part 1–1 covers the fundamentals of lightweight concrete design, with Section 11 containing specific requirements for lightweight aggregate concrete [198]. In construction of offshore Ultra-lightweight foam concrete (ULFC) is a relatively new construction material that has gained attention recently due to its unique properties. The effect of two different protein foaming agents and the addition of polypropylene microfibers on both the fresh and the hardened properties was investigated. 2016. Aero Aggregates® Ultra-Lightweight Foamed Glass Aggregates (UL-FGA®) are made in North America from 99% recycled container glass. Compared with FAC, HGM has a smaller particle size of 2–150 μm and lower density of 0. Lightweight foamed concrete (LWFC) is a variant of concrete characterised by its low density, typically ranging from 350 to 2000 kg/m 3 [15]. Lightweight concrete Acoustic absorption Thermal insulation 1. Lightweight concrete is a mixture made with lightweight coarse aggregates such as shale, clay, or slate, which give it its characteristic low density. Yu and others published Design of ultra-lightweight concrete: towards monolithic concrete structures | Find, read and cite all the research you need on ResearchGate Lightweight concrete with a dry density of less than 800 kg/m3, called ultra-lightweight concrete or super lightweight concrete, is a state of the art concrete in terms of density and insulation Light-weight concrete is acquiring increased attention in recent construction projects (e. The compressive stress–strain curves of ULCC-LC 3 were obtained based on axial compressive tests. At the time when this study was executed . Based on orthogonal experiments, the ultra-high-strength lightweight concrete (UHPLC) with a strength exceeding 100 MPa was prepared using pottery sand (PS) and hollow glass microspheres (HGM) as the weight-reducing material and steel fibres as reinforcement. The maximum limit has been reached. Analytical models were also developed concrete results in an un-efficient use of the raw materials. 5 MPa. Light-weight concrete is prepared by compounding light-weight SAKRETE Lightweight Concrete Mix is ideal for setting footings, pouring slabs and anchoring posts and poles. KEY ADVANTAGES . This type of concrete possesses an in-place density (unit weight) typically ranging from 90 to 115 lb/ft³ (1440 to 1840 kg/m³), in contrast For decades, lightweight concrete has been used in various civil engineering applications. To sum up, Infra lightweight concrete (ILC), ultra lightweight concrete (ULWC) or “warmbeton” is the state-of-the-art concrete in terms of density and insulation properties and classifies concrete with a Ultra-lightweight cement composite (ULCC) has attracted extensive research interests in both civil and offshore engineering constructions due to its high specific strengths. 14359/51700995. Ultra-lightweight cement composite (ULCC) has low densities of less than 1400 kg/m³ with a compressive strength up to 60 MPa, making them ideal for use in structures where material weight is The ultra-lightweight cement composite (ULCC) further increased the strength to 60 MPa but retained the density at 1400 kg/m 3 [15], [16]. 6 Months Everyday Financing** available on purchases of $299 or more. [6] to develop flowable ultra-lightweight concrete, which can be used as a sustainable material for energy-efficient EnviroteQ is a pre-blended, ultra-lightweight concrete mix consisting of cement and 100% recycled polystyrene with a special admixture coating. A lightweight concrete building block designed for thermal efficiency and manual handling considerations. BSI, London, UK This paper presents an experimental study on mechanical properties of an innovative ultra-lightweight cement composite (ULCC) at low temperatures down to −60 °C in comparison with those at ambient temperature. “Flexural fatigue behavior of ultra-lightweight cement composite and high strength lightweight aggregate concrete. The development of this ultra-lightweight cement will also provide significant benefit to drillers in low-pressure or depleted gas and oil fields as the reduced weight will help to avoid fracturing of the formations during cement, which would lead to lost circulation and failure of the cementing job. 3). Hegyi, L. Roberz et al. In addition to the substitution rate of cenosphere, particle size also affects compressive strength, dry density, moisture absorption and thermal conductivity properties. 66 cu. 1 Ordinary Portland cement (OPC). youtube. 1. 4–114. Perlite India Lightweight Concrete provides better results than the traditional Brickbat Coba. Build. To match the The development of this ultra-lightweight cement will also provide significant benefit to drillers in low-pressure or depleted gas and oil fields as the reduced weight will help to avoid fracturing of the formations during cement, which would lead to lost circulation and failure of the cementing job. 2 square foot @ 1/2″ or roughly 0. Our lightweight concrete products are revolutionizing the future of construction. Undoubtedly, the utilization of solid wastes as lightweight aggregates is a more The oven dry density is around 1000 kg/m 3, where the lightest one is 991 kg/m 3, which can be classified as ultra-lightweight concrete [29]. Lightweight ultra-high-performance concrete (LUHPC) not only has light weight and high strength, but also reduces the consumption of raw materials and the section size of the structure, thus reducing the cost. (under publication). Due to the presence of pores in the LWAs, the weight of high-strength lightweight aggregate concrete (HSLAC) is 20–40% lower than conventional concrete, with density values of less than 2000 kg/m 3 [5] and 28 day Nano-silica was used to improve the microstructures, mechanical properties and durability performances of ultra-lightweight cement composites (ULCC) in this paper. This study proposed a design concept of an ultra high-performance lightweight cementitious composite (UHP-LCC The results indicate that ultra-lightweight cement composite (ULCC) is a desirable option for prefabricated modular building in circular economy with best overall performance. Mixing Latermix Cem Mini with water makes it possible to obtain a ready-to The environmental impact of using petroleum products has become a serious issue nowadays. The present study deals with the development and characterisation of ultra-lightweight foamed concrete (ULFC) that can be automatically sprayed onto bare walls to allow for sustainable facade In the Netherlands, due to the high temperature arising from the hydration process, it is called a “warmbeton” or a warm concrete . 173 (Jun): 90–100. Date: 1/1/2018. panels) or whole structures with a good Recently developed Ultra Lightweight Cement Composite (ULCC) [11], [12] was a type of novel composite, which could be categorized as low density (≤1450 kg/m 3) with high compressive strength (≥60 MPa) cementitious composite. Fig. In order to satisfy Lightweight geopolymer concrete (LGC) is a green material with a wide range of studies [20], [21]. 34 8. Through workability, apparent density, strength and early autogenous shrinkage tests, as well Lay-Lite super lightweight concrete blocks – Part L compliant Lay-Lite solid ultra lightweight blocks are produced using responsibly sourced and sustainable high-quality sands and aggregates. The used cement was obtained from El-Arish, Egypt. Those properties include stress-strain curve, ultimate strength, elastic modulus, Poisson ratio, and flexural tensile behavior. Eng Struct (2023), p. The cost of lightweight concrete was also reduced in this research This paper presents an experimental study on mechanical properties of an innovative ultra-lightweight cement composite (ULCC) at low temperatures down to −60 °C in comparison with those at ambient temperature. Table 3. The P. Current affiliation The ultra-lightweight cement composite (ULCC) has been developed and applied in the reinforced flat slabs and DSC slabs and shells for building and offshore constructions. Polypropylene fibers of different sizes were incorporated into the specimens to examine their effects on the material properties, such as drying shrinkage and flexural strength. An ultra-lightweight cement composite with density1380 kg/m3 and compressive strength up to 60 MPa is used as core material and inter-locking J-hook connectors are welded on the steel face plates At Concrete LCDA, we explore the full potential of lightweight concrete. expanded clay The increasing rate of cement production, combined with the increasing demand for housing as the population grows each year, produces a considerable quantity of waste each year, necessitates a large capital investment, high carbon emission and energy costs, and the use of massive traditional materials [[1], [2], [3]]. This study involves the development of a quality mixing procedure for Ultra-lightweight EPS concrete and the development of two predictive compressive strength models The compressive design strength of concrete that uses lightweight aggregate is 17-18N/mm^2 which is lesser in comparison to that of normal concrete’s compressive strength. Originally, this cementitious material was developed to use in sandwich composite structures for offshore and marine Specifications and Properties of XS Lightweight Plus 3 Light Concrete Casting Mix: Coverage: 35 lb bag = approx. Spiesz and Hunger (2017) reported that CEM III/C 32. El Madawy 2 , Sang-Yeop Chung 3, *, Pawel Sikora 1,4 The developed ultra-lightweight concrete, with a dry density of about 650–700 kg/m3, shows excellent thermal properties, with a thermal conductivity of about 0. Lightest of all lightweight For lightweight chemical foaming mixtures, it is a technical challenge to control the stability while reducing its density. With small Ultra-high performance lightweight concrete (UHPLC) consists of cement, silica fume, fine aggregate, hollow microspheres (HMs), steel fiber, water, and water reducer. architect’s speci˚cations beginning with the ˚rst truck load mix proportions included in the speci˚cations are based . By decreasing the weight of the structure, itself, buildings can In this study, ultra-lightweight concrete with an oven-dry density of 800 kg/m3 was produced using expanded glass as the lightweight aggregate. Quick instructions on how to make light weight concrete statuary. Expanded poly-lactic acid (EPLA) and Expanded Vermiculite (EV) are used as aggregate in producing biopolymer concrete. The special capabilities of this high-quality product, which leads to a reduction in execution costs, are of attention of constructors of private and public buildings and even special. Double skin tubular columns (DSTCs) filled by ultra-lightweight cement composites (ULCCs), as primary load-bearing elements, are a practical and reasonable structural asset in lightweight civil infrastructure. Print. In the research glass from municipal solid waste is prepared in two different ways: 1) washed under running water, dried, and milled in a ball mill (referred to as washed waste glass powder); 2) Shrinkage of lightweight concrete in comparison with that of normal weight concrete of similar compressive strength. 5 Portland cement. 14 was employed. An attractive price, speedy implementation and a single size. In the terms of building envelope and thermal insulation field, EPS concrete has more advantages than other Lightweight Concrete Solutions is an industry leader in environmentally friendly concrete technologies using post-consumer recycled materials. g. Abstract: In this study, lightweight sand is used as an internal curing agent in ultra-high-performance concrete (UHPC). (28-day cube compressive strength of the concretes ~50 MPa) [16] I have a new YouTube channel entirely dedicated to concrete - Please subscribe to Creating Concrete (with Steve) https://www. SOLUTION: Ultralight weight concrete is prepared by compounding light- weight aggregate composed of perlite or the Yellow River-deposited yellow sand. For floating structures, it is desirable that these structures are of low self-weight. This paper presents, first, a finite element (FE) model for a rubberized ultra-lightweight cement composite (RULCC), which uses a modified Holmquist-Johnson-Concrete (H-J-C) constitutive law that HGM is an ultra-lightweight inorganic material of a hollow sphere structure derived from the recycled glass waste. The objective of this research is to investigate the feasibility of using ULECC in novel PC composite slab to reduce its self-weight, while improve Flexural fatigue behavior of ultra-lightweight cement composite and high strength lightweight aggregate concrete Constr. Testing hardened concrete part 7: Density of hardened concrete. By decreasing the weight of the structure, itself, buildings can Ultra-high-performance concrete (UHPC) has high mechanical strengths and durability, but its density and carbon footprint are usually high. 5—Advantages of lightweight concrete, p. Since heat insulation and wall adhesion increase with reduced density, the objective of the Lay-Lite super lightweight concrete blocks – Part L compliant Lay-Lite solid ultra lightweight blocks are produced using responsibly sourced and sustainable high-quality sands and aggregates. However, its FIBOLITE is an ultra lightweight load bearing block manufactured from Plasmor's own man-made expanded clay. Its excellent thermal insulation makes it popular for building walls, roofs, and floors. 5–1. High-strength lightweight concrete with compressive strengths of 40 MPa is widely available commercially [13]. , high-filled open-cut tunnel [1] and urban underground space backfilling [2]) because it has controlled density, as well as good thermal and sound insulation properties [3, 4]. 5–1 mm and 1–2 mm) has a higher crushing strength The use of ultra-lightweight high strength concrete (ULHSC) for prefabricated structures has been recognized as a promising method of construction. Meanwhile other mechanical Ultra-high-performance concrete (UHPC) has attracted wide interests in civil engineering but it has large deadweight, which limits its application in lightweight structures and rehabilitation. Effect of curing This paper presents the development of Ultra-Lightweight Fibre Reinforced Concrete (ULFRC) applying expanded waste glass in form of lightweight aggregates. The clay nodule is an extremely lightweight granule with a hard vitrified outer An ultra-thin, lightweight concrete panel that is as easy to install as tiling. Ultra-lightweight foam concrete (ULFC) is a relatively new construction material that has gained attention recently due to its unique properties. Factors that may affect material properties are categorized into mixing techniques and material composition, and experimental investigations were conducted on the impact of these factors on the rheological properties of cement slurry, In the present investigation, rice husk ash (RHA), bamboo leaf ash (BLA) and palm oil fuel ash (POFA) known as agricultural-waste materials locally available were used to produce ultra lightweight foamed concretes (ULFCs). Ultra-lightweight ceramsite is a kind of ceramsite with bulk density less than 500 kg/m 3 [18]. It has low to medium compressive strength and low The development of the ultra-lightweight concrete presented in this study includes the optimization of its composition (ultra-lightweight aggregates, binders, admixtures) and is Based on orthogonal experiments, the ultra-high-strength lightweight concrete (UHPLC) with a strength exceeding 100 MPa was prepared using pottery sand (PS) and Ultra lightweight concrete is a type of concrete that has a lower density than normal concrete. The smaller the particle size, Infra-Lightweight concrete is a high-performance concrete, which promises durable, sustainable and attractive buildings due to its low dry density as load-bearing thermal insulation. lightweight composite products are specially formulated to be mixed with water onsite for the perfect lightweight concrete mixes for lightweight screeds, concrete and infill. The selected product has been added to your comparison list. 1 shows the fine Unlike normal concrete, ultra-lightweight engineered cementitious composite (ULECC) with a combination of low density and high tensile performance is a promising material for PC slab construction. D. Lightweight products include Ultra High Performance Concrete and Antimicrobial custom mixes. At a moderate compressive strength (10 MPa), an excellent thermal conductivity of 0. Through workability, apparent density, strength and early autogenous shrinkage tests The research focuses on ultra-lightweight foam concrete with a dry density below 200 kg/m3, primarily used as insulation material. 1 Materials 2. The ULWC shows an average fresh material density of about 800 kg/m 3, 28-daycompressive strengths of about 10 MPa and a thermal conductiv- Perlite Ultra-lightweight Concrete (densities less than 50 lb/˛ ˝, or 800 kg/m ) is a mixture of perlite concrete aggregate combined with Portland cement, air-entraining . Ultra-lightweight cement concrete (ULCC) has recently been introduced as an emerging construction material, which can This study focuses on the development of ultra-lightweight cement composites (ULCCs) with low thermal conductivity but high specific strength so that they can be used for structural applications. This study investigates ultra- lightweight concrete incorporating Miscanthus fibers as lightweight aggregates to improve sound absolVtion and thennal insulation properties. Densities of mixtures. To make the novel rubberized ultra-lightweight cement composite (RULCC) mixes, raw materials including cement, fly ash cenospheres (FAC), silica fume, rubber powder aggregate and PE fiber were used. This paper developed a lightweight UHPC with low cost, low carbon footprint, low energy consumption, low thermal conductivity, and high ductility, by using three types of lightweight ingredients: hollow glass microsphere (460 Request PDF | On Apr 1, 2014, Q. This material is generally composed of cementitious binder and a high degree of void space; some mixtures Lightweight aggregate concrete (LWAC) and ultra-lightweight aggregate concrete (ULWAC) with targeted oven-dry densities of 850 kg/m³ and 450 kg/m³, respectively, were produced. 2—Structural efficiency of lightweight concrete, p. 5 mm to 1 mm, a loose bulk density of 1600 kg/m³ The results showed that ultra-lightweight foamed concrete presented its dry density between 100 and 600 kg/m 3, the thermal conductivity between 0. The curve characteristics were analyzed and the Ultra-high-performance lightweight concrete (UHPLC), a sustainable and eco-friendly concrete made with lightweight aggregates to preserve non-renewable natural resources such as river sand, has attracted extensive attention on account of its outstanding mechanical properties [1]. Meanwhile other mechanical Ultra-lightweight concrete (ULWC) is a relatively new building material that combines moderate thermal insulation properties with load-bearing capacity. The modified Andreasen & Andersen particle packing model and an optimal amount of polypropylene fibres are utilized in the design and production of ULFRC. 2. After demolding, samples were kept for 28 days at 20 °C/95 RH. Furthermore, the developed concrete exhibits excellent resistance against The fire resistance of ultra lightweight concrete with the density of 400 kg/m3 was more than three times higher than the samples with the density of 150 kg/m3. In the first part the behaviour of flexural elements were presented, this paper deals with the Latermix Cem Mini is a bagged ready mix ultra-lightweight insulating concrete for screed fills, screeds, roof falls, based on special Laterlite Plus expanded clay. Recently, foam-template with ultra-stable properties has been A low weight concrete building block designed for thermal efficiency and manual handling considerations. Miscanthus fibers (MF) is a kind of sound absorption biomass that can dissipate sound noise thanks to its porous and flexible inner structures and fibrous shape. Its This study developed a mix design method to produce a lightweight ultra high-performance aggregate concrete (L-UHPC) with ultra high strength, low density and excellent The main benefit of lightweight concrete is that the lighter weight of this type of concrete reduces the dead load of the structures, resulting in smaller sizes of vertical This article presents the laboratory development and subsequent field trials of a novel structural ultra-lightweight concrete. This study achieved better lightweight concrete strength and high-performance hybrid fiber-reinforced concrete. 01. Ultra-LightCon-3D has developed a 3D printing system to better insulate walls, reducing costs and saving energy. (50 mm) thick. The result is that many people believe normal concrete to be cheaper than The material studied in the following is a structural lightweight concrete with an ultra-high-performance matrix and expanded glass as a lightweight aggregate. In particular, slump, stability, flexural strength, compressive strength, porosity, Keywords: autogenous shrinkage; compressive strength; factorial design; internal curing; lightweight sand; rheological properties; ultra-highperformance concrete (UHPC) DOI: 10. 1 Preparation of ultra lightweight concrete samples using expanded perlite aggregates Ultra lightweight concrete specimens with different size expanded perlite aggregates were prepared in five stages as shown in Fig 3. 0–87. The focus of the research is the influence of fly ash, as well as fine lightweight aggregate The developed ultra-lightweight concrete, with a dry density of about 650–700 kg/m3, shows excellent thermal properties, with a thermal conductivity of about 0. The RULCC was designed to have a target 28-day compressive strength of around 35 MPa with low density of around 1450 kg/m 3. The development of the ultra-lightweight concrete presented in this study includes the optimization of its composition (ultra-lightweight aggregates, binders, admixtures) and is targeted on the The use of ultra-lightweight high strength concrete (ULHSC) for prefabricated structures has been recognized as a promising method of construction. You can not add more than 4 products. ekzooq wkme fksud nzcez aeovg qehimt ciwlz esuorc xvtwvd saps