Foam concrete can be used for sustainable construction as a. Researchers have supported the need to present mix design data in form of graphs or equations hover, 1995. The main goal is to produce a new insulation block floor from lightweight concrete lc by mixing sand from the waste marble crushing process swm, natural sand, and epa. Aerated concrete is also wellknown as a cellular concrete.
Explore cellular lightweight concrete with free download of seminar report and ppt in pdf and doc format. It is possible to develop light weight concrete of density up to 1450 kgm 3 using. Often lightweight concrete is produced by using lightweight aggregate. The mechanical properties, including compressive strength, tensile strength, flexural strength and fracture toughness, were tested and cataloged. Jan 01, 2012 lightweight foamed concretes with a wide range of concrete densities 800 1, 500 kg m 3 were studied mainly for compressive strength, splitting tensile strength, and drying shrinkage. Cellular lightweight concrete materials, applications and. Fresh concrete properties of light weight concrete using eps. Equations for mix design of structural lightweight concrete. It is commonly manufactured by two different methods. This research was based on the performance of aerated lightweight concrete.
Materials free fulltext lightweight concretefrom basics. The primary use of structural lightweight concrete slwc is to reduce the dead load of a concrete structure, which allows the structural designer to reduce the size of the structural members like beam, column, and footings which results in reduction of earthquake forces on the structure. International journal of science and research ijsr. Most current studies on concrete focus on high performance concrete, which is a costeffective material that satisfies demanding performance requirements, including durability. International research journal of engineering and technology irjet eissn. International journal of concrete structures and materials. The lighter the concrete, the greater are the differences to be accounted for in the properties of the concrete. Economical structural lightweight concrete made with. In this code, a lightweight concrete without natural sand is termed alllightweight concrete, and light weight concrete in which all of the. The reduced density is achieved by adding specific ingredients to the mixture or by means of special production techniques, resulting in a weight decrease from 2. Commercial production of expanded slag began in 1928, and in 1948 the first structuralquality, sinteredshale, lightweight aggregate was produced using shale in eastern pennsylvania.
Lightweight concrete is a collective term for different types of concrete which are all characterized by a low specific weight. An intensive literature survey on light weight concrete has been carried out to seek references to the use of polystyrene in concrete mixes, more than 3000 websites were visited over the internet, nothing was directly. Production of lightweight concrete using corncob ash as. The lightweight concrete is produced by mixing air entraining agent kemilitepr in conventional concrete in 0%, 10%, 20%, 30% and 20% cement is replaced by fly ash to make it cost effective. May 09, 2018 there are different recipes to make lightweight concrete depending on the coarse aggregate used and the required strength of the end product. This led to an extensive study of concrete made with lightweight aggregates. One of the earliest uses of reinforced lightweight concrete. Learn more about the advantages and disadvantages of lightweight concrete. Sponsored by the housing and home finance agency, parallel studies were conducted simultaneously in the. Cellular lightweight concrete seminar report, ppt, pdf for. Abstract cellular light weight concrete is a versatile material which is made up of cement, fly ash and protein based foam. The most popular way of lightweight concrete production is by using lightweight aggregate. Ultra lightweight concrete ulwc was recently introduced as a novel building material that combines moderate thermal insulation properties with loadbearing capacity. Study on strength properties of lightweight expanded clay.
Concrete cube, cylinders have to be made for the various replacement of coarse aggregate by using pumice stones. Structural lightweight concrete has an inplace density unit weight on the order of 90 to 115 lb ft 3 1440 to 1840 kgm compared to normalweight concrete with a density in the. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The main objectives of this study are the cement contents for the concrete mixtures used were 410 and 540kgm keywords. Cellular light weight concrete clwc is not a new invention in concrete world. First, optimal mixture of natural sand, swm, and epa was. The effects of using fly ash on high strength lightweight. So, this research was aimed to check whether corncob ash is used to produce lightweight concrete by replacing cement as a binding material or not.
Mfile for mix design of structural lightweight concrete using developed models 521 journal of engineering science and technology august 2011, vol. In this study, artificially occurring lightweight expanded clay aggregate was used for the development of structural lightweight concrete to reduce both the high self weight and the negative environmental effects that are typically associated with the production of normal lightweight aggregate concrete. Lightweight concrete mixture is made with a lightweight coarse aggregate and sometimes a portion or entire fine aggregates may be lightweight instead of normal aggregates. This study examined the structural behaviour oflightweight concrete lwac made with different gradings of lightweight aggregates expanded clay aggregates leca and normal weight aggregates with the aim to investigate the effect of partial replacement of the normal weight aggregates with different gradings of the leca. Download lightweight concrete seminar reports, abstract, pdf, ppt. A simple recipe for basic lightweight concrete is to combine 8 parts sand, 8 parts cement and 8 parts.
Light transmitting lightweight concrete with transparent. Technical report documentation page fhwatx0218521 4. Early notable lwc structures include the port of cosa, the pantheon dome, and the coliseum. Structural lightweight concrete has an inplace density unit weight on the order of 90 to 115 lb ft. Understanding different types of lightweight concrete. Processing and characterization of a lightweight concrete.
Lightweight foamed concretes with a wide range of concrete densities 800 1, 500 kg m 3 were studied mainly for compressive strength, splitting tensile strength, and drying shrinkage. Researcharticle seismic performance of lightweight. Lightweight foamed concrete can be known as a type of concrete that included an expanding agent in it to increase the volume of the mixture but on the same time, it gives additional qualities such as lessened the dead weight. College of engineering, rashtrasant tukdoji maharaj nagpur university, nagpur, maharashtra, india abstract foam concrete is a type of aerated lightweight concrete. Lightweight concrete has a history of more than twothousand years and its technical development is still proceeding. Performance of lightweight concrete with plastic aggregate. Experimental study on light weight aggregate concrete with.
Pdf development of lightweight concrete for structural. Title and subtitle structural lightweight concrete prestressed girders and panels 5. However, sufficient water cement ratio is vital to produce adequate cohesion. Strength properties of lightweight concrete made with leca. A partial replacement of binding material is done with silica fume which provides additional strength compared to foam concrete without silica fume. Lightweight concrete is a type of concrete contains expanded light weight aggregates which increase the volume of the mixture while giving additio nal qualities such as lowering the dead weight.
Cellular concrete is a cementitious paste of neat cement or cement and fine sand with a multitude of micromacroscopic discrete air cells uniformly distributed throughout the mixture to create a lightweight concrete. Effect of metakaolin on the chloride ingress properties of concrete. Concrete is considered to be lightweight is the density is not more than 2200 kgm3, when compared to normal concrete which is 23002400 kgm3 and a proportion of the aggregate. Advantages and disadvantages of lightweight concrete. A study on properties of foamed concrete with natural and. Typically, properties of lightweight concrete have been compared with those of. Experimental research on properties of highstrength. Astm publication stp 169 c provides a comprehensive overview of structural lightweight concrete. Lightweight concrete astm c 567 7, not exceeding 1800kgm3. Pdf lightweight concretes are widely accepted in the construction industry mainly due to its low density. The results indicate that foamed concrete with a density of 800 1, 500 kg m 3 and compressive strength of 10 50 mpa can be made by using silica.
Principal research scientist introduction lightweight concrete lwc has been used for more than 2,000 years aci 2r american concrete institute aci, 2003. Corncob is an agricultural waste, which is considered as one of binding materials. This paper which based on the foam concrete properties and. A proposed solution presented in this investigation consists of introducing steel fibers to the lightweight aggregate concrete masonry mix. Lightweight aggregate concrete properties, uses and. Cellular lightweight concrete containing pozzolan materials. The properties mainly depend on the properties of the lightweight. Aerated concrete is a lightweight concrete which is made by introducing air or gas into a cementbased mortar. Although lightweight concrete is well known and has proven its technical potential in a wide range of applications over the past.
Uses of fly ash replace cement in the proportions 10, 20 and 30 percent by weight of binder. Cip 36 structural lightweight concrete what is structural lightweight concrete. Foamed concrete is manufactured by mixing portland cement, sand, fly ash, water and preformed foam in varied proportions. Flexural strength of lightweight foamed concrete using. Some studies on strength properties of light weight cinder. The information is based on many laboratory studies and records of a large number of existing structures that have provided satisfactory service for more than 85 years. Using less sand can make the product lighter, but it can also make the concrete weaker structurally. Polystyrene lightweight concrete polyconcrete zaher kuhail.
Equations for mix design of structural lightweight concrete 3 guide the mix designer, it is thought worthwhile to add more values to these data for convenience of the users. International journal of civil engineering research. Laboratory investigation of lightweight concrete properties. Lightweight concrete lwc generally has a density of less. These cells may account for up to 80% of the total volumne. Introduction lightweight concretes lwcs can be used in various construction fields. Experimental study of new insulation lightweight concrete. Tajne2 assistant professor, priyadarshini college of engineering, nagpur, maharashtra, india1 assistant professor, priyadarshini college of engineering, nagpur, maharashtra, india2 abstract. Cellular lightweight concrete clc also known as foamed concrete is one of the most significant type of concrete used for construction purposes due to its various advantages and usages over traditionally produced concrete. The aerated concrete was perfected in the mid1920, by swedish architect and inventor dr. Cip 36 structural lightweight concrete what is structural lightweight concrete structural lightweight concrete has an equilibrium density ranging from 90 to 120 lbft3 31440 to 1840 kgm compared to normalweight concrete with a density in the.
Download lightweight concrete seminar reports, abstract. It was determined that the addition of high volumes of cenospheres significantly lowered. International journal of cement composites and lightweight. An intensive literature survey on light weight concrete has been carried out to seek references to the use of polystyrene in concrete mixes, more than 3000 websites. Pdf behavioural study on lightweight concrete researchgate. Ordinary concrete is quite heavy and its density is 2300 kgm3. Previous investigations in the field of lightweight aggregate fiberreinforced concrete have shown an increase in flexural strength, toughness, and ductility. Lightweight aggregate concrete may be very different from normal weight concrete from this point of view. The workability of light weight concrete is similar to ordinate mix concrete. A study has been conducted in which a lightweight concrete was processed using ceramic microspheres, known as cenospheres, as a primary aggregate. Concrete structures are prone to earthquake due to mass of the structures. Researcharticle seismic performance of lightweight concrete. For this purpose, lightweight concrete mixtures with 350, 400 and 450 kgm3 cement content were prepared using expanded clay aggregate. Its intended use as monolithic building envelope brings new opportunities in building physics, by merging characteristics of both heavyweight and lightweight construction types.
The paper proposes the relationships between the compressive strength and density of concrete mixtures with different proportions of the lightweight aggregates mentioned. However, some researchers proposed materials having pozolanic property can be used to produce lightweight concrete. Experimental study on light weight aggregate concrete with pumice stone, silica fume and fly ash as a partial replacement of coarse aggregate lakshmi kumar minapu1, m k m v ratnam2, dr. Study of lightweight concrete behaviour lightweight concrete can be defined as a type of concrete which includes an expanding agent in that it increases the volume of the mixture while giving additional qualities such as nailbility and lessened the dead weight. The env model proposed by triz secured light transmission by replacing the existing costly transparent optical fibers with lowcost transparent materials with improved constructability, and improved the production method by changing the existing laborintensive method of laying thousands or tens of thousands of optical fibers into a laborsaving system capable of mass production. Structural lightweight concrete production by using oil palm shell. Cip 36 structural lightweight concrete what is structural lightweight concrete structural lightweight concrete has an equilibrium density ranging from 90 to 120 lbft3 31440 to 1840 kgm compared to normalweight concrete with a density in the range of 140 to 150 lbft 3 2240 to 2400 kgm.
Study of cellular light weight concrete raj vardhan singh chandel1 rashmi sakale2 1m. In this paper, an endeavor is made to think about on cellular lightweight solid squares, and suggest as it can be utilized as a part of building development. Very few researchers tried to use corncob ash as a means of producing lightweight concrete. Such aggregates, natural or artificial, are available in many parts of the world and can.
Pdf experimental study on lightweight aggregate concrete. The international journal of concrete structures and materials ijcsm provides a forum targeted for engineers and scientists around the globe to present and discuss various topics related to concrete, concrete structures and other applied materials incorporating cement cementitious binder, and polymer or fiber in conjunction with concrete. Stateoftheart report on fiberreinforced lightweight. The purpose of the present study is to recover marble waste and expanded perlite aggregate epa for use as an additive to cementitious matrix building materials.
Lightweight concrete produced using a twostage casting process. Eps, ppc cement, silica fume, super plasticizer, compressive strength. View lightweight concrete research papers on academia. This study is focused on the experimental investigation of compressive strength and durability properties of lightweight concrete mixtures with fine expanded glass and expanded clay aggregates using different microfillers. Reference standards are incorporated in this guide specification and an appendix lists additional publications that will help the architectengineerdesigner prepare concrete specifications. International journal of innovative research in science. The main objective of this project is to study and analysis of light weight concrete with conventional concrete. It is not suitable for use in floor filling as filler in general. Here two types of foaming agents are used natural and synthetic. Download lightweight concrete seminar reports, ppt, pdf, lightweight concrete seminar topics, abstracts, full documentation, source code.
Lightweight concrete using eps international journal of. Lfc is a material consisting of portland cement paste or cement filler matrix mortar with a homogeneous pore structure created by introducing air in the form of small. Seismic performance of lightweight concrete structures. The twophase material is an ultrahigh strength mortar and. The design properties of lightweight concrete are discussed in aci 2r guide for structural lightweightaggregate concrete. An experimental study on floating concrete using light. The use of fly ash lightweight concrete gives a planned answer for building development. Lightweight aggregate concrete is prepared by using lightweight aggregate or low density aggregate such as volcanic pumice, clay, slate, shale, scoria, tuff and pellite. International journal of scientific and research publications, volume 4, issue 2, february 2014. Lightweight concrete is an extremely important material in the construction industry.
Also explore the seminar topics paper on cellular lightweight concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2017. They are foamed concrete nonautoclaved aerated concrete naac and autoclaved aerated concrete aac. This type of concrete is known as aerated, cellular, or gas concrete. For normal weight concrete we have conversion factors, when testing not at the age of 28 days or the curing of specimens is not according to the standard. It can be divided into three main types according to the method of production. In this code, a lightweight concrete without natural sand is termed alllightweight concrete, and lightweight concrete in which all of the. Also explore the seminar topics paper on cellular lightweight concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2017 2018. The desired quality for lightweight concrete can be obtained through the proper selection of admixtures and proper grading of the lightweight aggregate. Lightweight concrete can be specified using the notation lc for the strength class, e. High carbon ash, recycled aluminum waste and zeolite powders are additional mechanical structures suitable in the production of cellular lightweight concrete. Lightweight concrete this chapter covers some of the physical properties of lightweight concrete. Performance of structural lightweight concrete containing. Understanding different types of lightweight concrete by jason spangler the use of lightweight concrete dates back to as early as the eighteenth century, and as advances in building and construction technology have increased, so has the use of lightweight concrete as the benefits of lighter dead load concrete have become apparent. In this study, the effect of using fly ash in high strength lightweight aggregate concrete produced with expanded clay aggregate on physical and mechanical properties of the concrete was investigated.
The aerated concrete is a one types of lightweight concrete. Ultralightweight concrete ulwc was recently introduced as a novel building material that combines moderate thermal insulation properties with loadbearing capacity. Though it is called aerated concrete, it is really not a concrete. Pdf a study on cellular lightweight concrete blocks esat. Cellular lightweight concrete seminar report, ppt, pdf. So, this research was aimed to check whether corncob ash is used to produce lightweight concrete by replacing cement as. Lightweight concrete maintains its large voids a nd not forming laitance layers. Experimental research on properties of highstrength foamed.
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