AGGREGATE IMPACT VALUE AIM :- To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) - 1963. APPARATUS :- 1) Impact testing machine conforming to IS: 2386 (Part IV)- 1963 2) IS Sieves of sizes - 12.5mm, 10mm and 2.36mm 3) A cylindrical metal measure of 75mm dia. and 50mm depth 4) A tamping rod of 10mm circular ...
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It is a man made India. The overall production of coconut in composite, the major constituent being natural 2012 was 60.04883715 million tones and total ... coarse aggregate in concrete has never been a were evaluated at 7, 14 and 28 days. The ... environment, is an abundantly available agricultural waste from local coconut industries. In ...
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Hence O.K. e) From table 3 of IS:10262-2009, volume of coarse aggregate corresponding to 20 mm size aggregate and fine aggregate (Zone III) for water-cement ratio of 0.50 =0.64 % In the present case water-cement ratio is 0.44. …
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occupied by coarse aggregate. The quantity and properties of coarse aggregate have a considerable impact on various characteristics and properties of concrete. Conventionally, crushed rocks are used as coarse aggregate and river sand as fine aggregate. Both are naturally available materials. Due to the rapid growth of construction activities,
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Civil Engineering Department, Vignan's Institute of Information Technology, India. a r t i c l e i n f o. Article history: Received 10 July 2020 Accepted 21 July 2020 Available online xxxx. Keywords: Ceramic waste Granite waste Compressive strength Coarse aggregate Fine aggregate. a b s t …
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We are the pioneer in India to produce an eco-friendly product called LIGHT WEIGHT AGGREGATE (LWA) which utilises 90-95% Fly Ash as core raw material, it is generated from …
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The shell of the coconut comes under agricultural waste and enormous amount of area is essential for its dumping after its usage.The CS which hold on to 12 mm sieve can be used as coarse aggregate ...
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12. According to "The Effect of Recycled Coarse", the results of experiments showed that "the recycled aggregate absorption value is 7.5% which is higher than the WSDOT specification of aggregate in 3.7% maximum.This is because of the paste on the gravel which will influence the absorption of water. Therefore, the recycled aggregate satisfies the absorption …
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The aggregate fraction from 80mm to 4 mm are termed as coarse aggregates and those fraction from 4 to 150 micron are termed as fine aggregate. Grading is …
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Natural aggregates are extracted from quarries or gravel pits and are available in various forms, including crushed stone, gravel, and sand. These aggregates are formed naturally through geological processes and are commonly used in …
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Laterite sand: commercially available was used as 10, 15, 20, 25% replacement of natural sand. Fine aggregates: Fine aggregate which is obtainable river sand. Natural coarse aggregates: Coarse aggregates used in the experimental study were 20 mm down size. Water:Normal water was used in this experimental study. Mix design
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The effect of coarse aggregate replacement with agricultural and industrial wastes like furnace slag, oil palm shell, coconut shell, waste ceramic tiles, glass, expanded polystyrene, lightweight ...
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7. COARSE AGGREGATE: Coarse aggregates are particles greater than 4.75mm, but generally range between 9.5mm to 37.5mm in diameter. size of coarse aggregate:20mm GLASS POWDER: Using waste glass in the concrete construction sector is advantageous, as the production cost of concrete will go down. Waste glasses are used as aggregates for concrete. …
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mix with18.5% coarse aggregate replaced by CS by weight, mix with 18.5% CS and 30% cement replaced by fly ash, and mix with 18.5% CS and 15% cement replaced by GGBFS. Jerin M. George et al. (2016) The properties of concrete using crushed coconut shell as coarse aggregate were investigated in an experimental study. Coarse aggregate
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The approach adopted involved natural coarse aggregates (NCA) substitution with recycled coarse aggregates (RAs) derived from demolished concrete fragments as well as the use of CDA as a ...
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Experimental Analysis of the Use of Coconut Shell as Coarse Aggregate B.Damodhara Reddy1, S.Aruna Jyothy2, Fawaz Shaik3 ... substitutes for natural stone aggregates. In India, commercial use of non-conventional aggregates in concrete ... Although commercially available lightweight aggregate has been used widely for manufacture
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13 Coarse Aggregates (d > 5 mm) Coarse aggregates are retained on 4.75mm sieve. Aggregates the size of whose particle is bigger than 4.75 mm but smaller than 37.5 mm are known as coarse aggregates. It specially includes gravel …
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This article is tied in with looking into the ideal level of various material as substitution of coarse aggregate as well as fine aggregate. Discover the world's research 25+ million members
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Jahan and Sangitha (2021) [19] have studied on partial replacement of coarse aggregate by Expanded Polystyrene Beads (EPS) in concrete and concluded that increase in the EPS beads content in concrete mixes reduces the compressive, tensile strength of concrete and also improves the workability with increase in EPS content. Very little research has been done …
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Utilization of Plastic Waste as a Partial Replacement of Coarse Aggregates in Concrete. M A Gour 1, S K Sharma 1, N Garg 2, S K Das 3 and S Kumar 4. Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 1086, Advancements in Sustainable Materials and Infrastructure 24/08/2022 - 25/08/2022 …
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Fig:2 Collection of Fine aggregates 3.3 COARSE AGGREGATES: Crushed aggregates of less than 12.5mm size produced from local crushing plants were used.The aggregate exclusively passing through a 20mm sieve size is selected. S.No Description Result Standards 1 Sand zone Zone- IV 2 Specific gravity 2.5 2.5 – 2.7
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In India electrical thermal power plants produce about 100 million tons of fly ash, out of which 20-30% is bottom ash. Bottom ash is coarse, solid mineral residue that result that result from ...
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sieve and retain on 4.75 mm are known as coarse aggregate. The grading of coarse aggregates should be as per specifications of IS 383-1970.In this project, maximum normal size of coarse aggregate was 20 mm for controlled concrete. The specific gravity of Coarse aggregate is 2.65, Fineness modulus of coarse aggregate is 2.2,water
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Using the largest size will give a more dense concrete, but a mixture of all sizes is more desirable and more economical. 2. Shape: Shape of aggregate plays an important role in coarse aggregate rather than fine aggregate. 3. Strength: The strength of aggregate alone cannot ensure strength of concrete. Strength of coarse aggregate is more ...
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GCE Kannur 11 Tests Convention al aggregate Coconut shell aggregate Sand Max size 20 16 4.75 Specific gravity 2.82 1.29 1.1 Bulk density(kg/l) 1.51 0.681 Void ratio 0.866 0.894 Porosity (%) 46.4 47.2 Aggregate abrasion value 27 4.66 - Impact value of aggregate (%) 21.114 5.51 - Aggregate crushing value (%) 2.6 5.28 - Fineness modulus 0.915 1. ...
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7. Classification & properties of recycle aggregate concrete Material composition is the basis for classification of recycled concrete aggregate in two main types- 1) Crushed concrete 2) Mixed material Each of these types is divided in a class for bound and a class for unbound use Crushin g age Bulk specific gravity Bulk density Absorp tion (%) Crushin g value(% ) 1 days …
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Traditionally aggregates have been readily available at economic prices and of qualities to suit all purposes. But, the ... Therefore, there is a growing demand to find alternate materials that can be used as coarse aggregate in concrete. India produces about 20% of the coconut produced in the world. Within India, Kerala produces
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available coarse aggregates. In this study concrete of M25 grade for a w/c ratio of 0.45 respectively for the replacement of 60%,70% and 80% of coarse aggregates by steel slag which is produced as a waste material in steel industry and has …
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coarse aggregate may not be available this has forced many people to be using gravel as alternative coarse aggregate.Where crushed stone is available, its high cost as coarse aggregate is a major problem to tackle people in the developing countries like India.The need for the utilization of the natural resources for protecting
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3.3 Coarse aggregate Coarse Aggregate are particles greater than 4.75mm IS sieve. In this study, coarse aggregate of 20mm down size are used. Coarse aggregate shall consist of naturally occurring materials such as gravel, or resulting from the crushing of parent rock, to include natural rock, slags, expanded clays
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