This value should be added to tr to determine the recommended temperature of. Displaying powerpoint presentation on lightweight foam concrete available to view or download. Nearly all fct tests on all three girder mixes gave splitting ratios that were greater figure 1. Laboratory investigation of lightweight concrete properties. Download lightweight concrete seminar reports, abstract. Purchase lightweight aggregate concrete 1st edition. Concrete blocks concrete blocks the concrete that is commonly used to make concrete blocks is a mixture of powdered portland cement, water, sand, and gravel. It is commonly manufactured by two different methods. Green concrete seminar ppt construction aggregate concrete. Also explore the seminar topics paper on green 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. Latest civil engineering seminar topics and reports in pdf,doc and ppt with free download for civil engineering construction and architecture engineering.
Structural design of lightweight concrete members relies. Concrete having a 28day compressive strength greater than 17 mpa and an airdried unit weight not greater than 1850 kgm composition. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Cellular lightweight concrete clc powerpoint ppt presentation. Compressive strengths range from up to 40 mpa down to almost zero for the.
In time, the use of lightweight concrete has spread across the u. But it was also readily accepted by the project structural consultants, holmes consulting group, who were impressed by the potential of the product to reduce cost and responded enthusiastically to the challenge of a new material. Ppt concrete block free download as powerpoint presentation. In terms of the degree of porosity of the concrete, lightweight. Principal research scientist introduction lightweight concrete lwc has been used for more than 2,000 years aci 2r american concrete institute aci, 2003. Download as ppt, pdf, txt or read online from scribd. Latest civil engineering seminar topics and reports. Ppt cellular lightweight concrete clc powerpoint presentation.
Explore cellular lightweight concrete with free download of seminar report and ppt in pdf and doc format. The most commonly used way to produce green concrete is by using the industrial waste products such. Structural lightweight concrete has an inplace density unit weight on the order of 90 to 115 lb ft. Microstructure development and its relation to the durability properties of lwac generally are not highlighted in the literature. 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.
Ppt structural lightweight concrete powerpoint presentation free to download id. Understanding different types of lightweight concrete. Lightweight concrete are porous and shows poor resistance. Lightweight and free flowing, it is a material suitable for a wide range of purposes such as, but. Lightweight concrete full seminar reports, pdf seminar abstract, ppt. Cellular lightweight concrete seminar report, ppt, pdf. Lightweight foamed concrete is a kind of lightweight concrete, which is lighter than normal concrete by mixing foams into cement slurry. The production includes a burning process where the mate rial expands and as a result has less density weight per unit volume. The desired quality for lightweight concrete can be obtained through the proper selection of admixtures and proper. 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. A concrete block is one of several precast concrete products used in construction most concrete blocks have one or more hollow cavities, and their sides may be cast smooth or with a design. Green concrete is that type of concrete that is used to create the construction materials having a lesser effect on the environment. Free online education presentations on lightweight videos monitoring the structural health of a bridge during fatigue repair and rehabilitation with a new lightweight concrete deck. Advantages and disadvantages of using lightweight concrete.
Light weight concrete free download as powerpoint presentation. Download your presentation papers from the following links. A free powerpoint ppt presentation displayed as a flash slide show on id. This resulted in the increment of voids throughout the sample caused by the foam.
Lightweight concrete full seminar report, abstract and. Mean concrete properties from tests on 4 by 8inch 102 by 203mm cylinders. Download lightweight concrete seminar reports, ppt, pdf, lightweight concrete seminar topics, abstracts, full documentation, source code. What does isothermal calorimetry tell us about limestone and ground lightweight aggregates.
Lightweight aggregate stockpiles with continuous sprinklers. Lightweight aggregate may consist of processed shale, clay, clinker, or other material. This type of concrete is known as lightweight aggregate concrete. The local industrial waste, if found suitable for lightweight concrete, can be economically utilized. Lightweight concrete can be specified using the notation lc for the strength class, e. Lightweight concrete article about lightweight concrete by. Cellular lightweight concrete seminar report, ppt, pdf for civil. Lightweight concrete is typically manufactured with combinations of normalweight and lightweight aggregates. Definition concrete which uses lightweight aggregates may consist of lightweight aggregates are used in ordinary concrete of coarse aggregate and sand, clay, foamed slag, clinker, crushed stone, aggregates of organic and inorganic. The amount of water displaced equals the volume of air in the mix. Watch as the crew from wilkie construction company, inc. Concrete is considered to be lightweight is the density is not more than 2200kgm 3 the density of normal weight concrete is assumed to be between 2300kgm 3 and 2400kgm 3 and a. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Description cellular lightweight concrete clc is produced by the mixing of sand, flyash cement foam and water in requisite proportion in ready mix plant or ordinary concrete mixer.
Lightweight concrete mix 33440, strong polylined bags covers approximately 0. To experimentally study and quantify the thermal properties of ppt sponsored links displaying powerpoint presentation on lightweight foam concrete available to view or download. The primary use of structural lightweight concrete is to reduce the dead load of a concrete structure, which then allows the structural designer to reduce the size of columns, footings and other load bearing elements. May 06, 20 if you are unable to download any of the topics mentioned below, you can mail to the admin to get the soft copy of the topic of your interest. Lightweight concrete the concrete that is composed of any lightweight aggregate, such as sand. 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.
Application cellular lightweight concrete clc is excellent for strong yet light walls, noise insulating floors and leak proof roofs clc, also known as foamed concrete or cellular concrete is not an autoclaved aerated concrete aac product, it is conventional concrete with a wide range of densities, choice of aggregates and mix designs. Demonstration of lightweight concrete construction system distributed by cct of nc, llc. Lightweight concrete blocks are made by replacing the sand and gravel with expanded clay, shale. The initial findings have shown that the lightweight concrete has a desirable strength to be an alternative construction material for the industrialized building system. Lightweight concrete find more seminar topics here. Also explore the seminar topics paper on green 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 2015 2016. This forms the bulk of lightweight concrete on site and can be used as a structural material. Ppt structural lightweight concrete powerpoint presentation. The characteristics of these lightweight aggregates are correlated with thermal conductivity and resistance of concrete slabs made with the lightweight aggregates. Three types of lwc light weight aggregate concrete aerated concrete no fines concrete 3.
The strength is gained by the green concrete at a much faster rate and it has a very low shrinkage rate than other types of concretes. Concrete, lightweight aggregate the most common type of concrete, in which lightweight aggregate is used as the coarse filler, cement more rarely, gypsum, lime, synthetic resins is used as the binder, and open sand or compact sand for example, quartz sand is used as the fine aggregate. Light weight aggregate concrete aerated concrete no fines concrete light weight. Ppt concrete foam powerpoint presentation free to view. It is convenient to classify the various types of lightweight concrete by their method of production. Based on the classification of lightweight concrete according to the level of compressive strength and aggregate type by mindess and young 4, lightweight aggregate concrete using artificial lightweight aggregate alwa or lightweight coarse sintered fly ash and foamed slag aggregates can produce compressive strength values of 1741 mpa with a. Ppt high strength concrete powerpoint presentation free.
Pdf development of lightweight concrete for structural. Lightweight concrete,download civil engineering seminar ppt free download structural lightweight concrete seminar ppt composite elevated watertank. You can avail following advantages by using green concrete. Generally, an ebook can be downloaded in five minutes or less.
This version of concrete is made up from the mix of the industrial waste and inorganic polymer. If you are unable to download any of the topics mentioned below, you can mail to the admin to get the soft copy of the topic of your interest. Lightweight aggregate concrete article about lightweight. Green concrete seminar report, ppt, pdf for civil engineering. These cells may account for up to 80% of the total volumne. High carbon ash, recycled aluminum waste and zeolite powders are additional mechanical structures suitable in the production of cellular lightweight concrete. Lightweight concrete can be produced using lightweight aggregates like expanded clay. The fines can be natural sand or crushed lightweight coarse aggregate. Light weight concrete is a special concrete which weighs lighter than conventional concrete. The apparatus containing the sample is then agitated to release the air. Free concrete powerpoint templates provide concrete themed ppt backgrounds with images such as a brick wall and textured designs these free templates for powerpoint provide backgrounds that resemble strong structures made of substances like metal and bricks to help you deliver your concrete ideas using slide designs that symbolically reflect strength and resilience.
Advantages and disadvantages of lightweight concrete. The mixed slurry is then poured into moulds of precast blocks structural components assembled formwork of building elements or over flat roofs for thermal. Similar to normal concrete except that it is made with lightweight aggregates or combination of lightweight and normalweight aggregates. Following are the advantages of lightweight concrete. By using porous lightweight aggregate of low apparent specific gravity, i. Autoclaved aerated concrete market autoclaved aerated concrete aac, also identified with various names including autoclaved concrete, cellular concrete, autoclaved lightweight concrete alc, porous concrete, and hebel block. The lighter the concrete, the greater are the differences to be accounted for in the properties of the concrete. 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. 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. This concrete consists of normal andor highdensity aggregates as distinguished from lightweight. The strength of aerated lightweight concrete are low for lower density mixture. Using all coarse and fine lightweight aggregates in a concrete mixture can decrease the concrete density to less than 90 lbft3 31440 kgm. Applicable standards astm c173c173m12, standard test method for air content of freshly mixed concrete by the. Lightweight aggregates used in structural lightweight concrete are typically expanded shale, clay or slate materials that.
Cellular lightweight concrete seminar report, ppt, pdf for. Apr 30, 2020 download 10page research paper on lightweight concrete 2020. Download lightweight concrete seminar reports, abstract, pdf, ppt. Lightweight concrete masonry november 16, 2009 the structural grade lightweight aggregate used is a rotary kiln expanded shale clay or slate with the general. Guide for structural lightweight aggregate concrete 2r3 the coliseum, built in 75 to 80 a. Lightweight concrete civil engineering lecture slides docsity. Download free ppt files and documents about concrete on average weighs 2400kgs or2. With this method, water is added to a known volume of concrete. A free powerpoint ppt presentation displayed as a flash slide show on. The density depends on the type of grading of the aggregates used, the moisture content and the mix proportions.
Lightweight concrete can be produced using lightweight aggregates like expanded clay figure 3 or volcanic stone or by using admixture like silica fume powder as an air entraining agent to the. This standard practice describes methods for selecting proportions for hydraulic cement concrete made with and without other cementitious materials and chemical admixtures. Ppt high strength concrete powerpoint presentation. This cip focuses on structural lightweight concrete. Lightweight concrete the general name for a large group of concretes with a density of less than 1,800 kgm3. The reduction in weight of concrete helps easy removal, transport and erection of precast products. The use of lightweight concrete was initially proposed by stresscrete, the precast concrete supplier. Light weight concrete construction aggregate concrete.
Download the seminar report for lightweight concrete. Ppt lightweight concrete masonry powerpoint presentation. Lightweight concrete has its obvious advantage of high strengthweight ratio, good tensile strength, low coefficient of thermal expansion, waste utilization. We believe that ultralightweight concrete is one of the most fundamental bulk materials of the future. Download lightweight concrete seminar reports, ppt, pdf, lightweight concrete seminar topics.
Green concrete seminar ppt free download as powerpoint presentation. Density of this concrete is considerably low 300 kgm3 to 1850 kgm3 when compared to normal concrete 2200kgm3 to 2600kgm3. Lightweight concrete can easily produced utilizing natural lightweight aggregate as well waste material. Autoclaved aerated concrete market autoclaved aerated concrete aac, also identified with various names including autoclaved concrete, cellular concrete, autoclaved lightweight concrete alc. Civil engineering high strength concrete a free powerpoint ppt presentation displayed as a flash slide show on id. Lightweight concrete full seminar report, abstract and presentation download.
Free concrete powerpoint templates provide concrete themed ppt backgrounds with images such as a brick wall and textured designs. 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. Cip 36 structural lightweight concrete what is structural lightweight concrete. The basic design for lightweight concrete is covered in eurocode 2 part 11, with section 11 having particular rules required for lightweight aggregate concretes. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations. Rational mix design of lightweight concrete for optimum. Lightweight concrete article about lightweight concrete. Early notable lwc structures include the port of cosa, the pantheon dome, and the coliseum. They show how lightweight aggregate concrete differs from normal weight concrete. Structural lightweight concrete mixtures can be designed to achieve similar strengths as normal weight concrete. 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. Green concrete seminar ppt with pdf report top benefits of using the green concrete. 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.
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