### "RECYCLED PLASTICS USED AS COARSE AGGREGATE FOR ...

"RECYCLED PLASTICS USED AS COARSE AGGREGATE FOR CONSTRUCTIONAL CONCRETE" PROJECT REFERENCE NO. : 37S1114 . COLLEGE : SJB INSTITUTE OF TECHNOLOGY, BANGALORE . BRANCH : CIVIL ENGINEERING . GUIDE : R L RAMESH . STUDENTS : ASHARANI K M . DHIRAJ KATARI V C . PRUTHVI SAGAR D S . SAHANA R . Keywords: Recycled plastic, Replacement of Coarse aggregate, compressive strength.

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The quality parameters are norm ally strength, size and shape. There are two kinds of . equipments used for crushing work s. one is by using crushers and other one is by using impacto rs. This ...

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aggregate & coconut shell as coarse aggregate can be used. Researchers has investigated that glass posses a pozzolana properties due to increase in silica content, so it can be replace fine aggregate to some degree and can improve the strength and also increase the durability of concrete. The chemical compositions of coconut shell taken under study are almost similar to that of ordinary cement ...

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Why use aggregateWhy use aggregate • Reduce the cost of the concreteReduce the cost of the concrete – 1/4 - 1/8 of the cement– 1/4 - 1/8 of the cement priceprice • Reduce thermal crackingReduce thermal cracking – 100 kg of OPC produces– 100 kg of OPC produces about 12about 12oo C temperature riseC temperature rise • Reduces shrinkageReduces shrinkage – 10% reduction in ...

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This paper presents studies of prediction of compressive strength of lightweight aggregate concrete (LWAC). In order to choose the optimized prediction model, the prediction models based on different parameters, which included compressive strength of mortar matrix, volume content of lightweight aggregate (LWA), crushing strength of LWA, particle density of LWA and shape index of LWA, were ...

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aggregate size. High-strength concrete containing basalt and normal-strength concrete containing basalt or limestone yield higher compressive strengths with higher coarse aggregate contents than with lower coarse aggregate contents. The compressive strength of high-strength concrete containing limestone is not affected by aggregate content. Flexure test results show that high-strength concrete ...

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Let's explore the different types of aggregate and their uses. The Different Types Of Aggregate The categories of aggregates include gravel, sand, recycled concrete, slag, topsoil, ballast, Type 1 MOT, and geosynthetic aggregates (synthetic products commonly used in civil engineering projects used .

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This work intends to evaluate the (mechanical and durability) performance of concrete made with coarse recycled concrete aggregates (CRCA) obtained using two crushing processes: primary crushing (PC) and primary plus secondary crushing (PSC). This analysis intends to select the most efficient production process of recycled aggregates (RA). The RA used here resulted from precast products (P ...

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Use of Recycled Aggregate in Concrete S. Muneera1, A. Rupa2 ... The aggregate obtained from crushing of heavy structures retained some binding abilities. Generally, such aggregates are different from natural and, consequently, concrete made with use of them has specific properties. Use of recycled aggregate in concrete can be useful for environmental protection and economical terms. Recycled ...

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- 3rd MENDT - Middle East Nondestructive Testing Conference & Exhibition - 27-30 Nov 2005 Bahrain, Manama Finding an Unified Relationship between Crushing Strength of Concrete and Non-destructive Tests Dr. Isam H. Nash't, Saeed Hameed A'bour, Anwar Abdullah Sadoon National Center for Construction Lab. & Research, Iraq-Baghdad E-mail: [email protected] Y. K. Dawod S. .

Get Price### Finding an Unified Relationship between Crushing Strength ...

- 3rd MENDT - Middle East Nondestructive Testing Conference & Exhibition - 27-30 Nov 2005 Bahrain, Manama Finding an Unified Relationship between Crushing Strength of Concrete and Non-destructive Tests Dr. Isam H. Nash't, Saeed Hameed A'bour, Anwar Abdullah Sadoon National Center for Construction Lab. & Research, Iraq-Baghdad E-mail: [email protected] Y. K. Dawod S. .

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The values of the compressive and splitting tensile strength, brittleness and modulus of elasticity of concretes with w/c = 0.45 were analysed. The analysis showed that the strength properties are proportional not only to the maximum size of aggregate grain, but also to the crushing strength of the aggregate. There were no analogous relations found with respect to the modulus of elasticity of ...

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aggregate is produced by crushing concrete, and sometimes asphalt, to reclaim the aggregate. Recycled aggregate can be used for many purposes. The primary market is road base. They can be used in building, dam, canal, tunnel construction etc. Recycled Aggregate consists

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Get Price### Computing the Compressive Strength of Concrete Cubes at (7 ...

of concrete strength are used to generate expressions for predictions of hardened concrete strength as composite function of cement content and w/c ratio. By testing more than 200 cubes, the suggested theoretical model shows a good agreement with experimental results. (Bentezl, Peltzl, and Winpigler (2009)), established that the influence of water-to-cement mass ratio (w/c) on early-age ...

Get Price### Study of Prediction Model for Compressive .

This paper presents studies of prediction of compressive strength of lightweight aggregate concrete (LWAC). In order to choose the optimized prediction model, the prediction models based on different parameters, which included compressive strength of mortar matrix, volume content of lightweight aggregate (LWA), crushing strength of LWA, particle density of LWA and shape index of LWA, were ...

Get Price### Computing the Compressive Strength of Concrete Cubes at (7 ...

of concrete strength are used to generate expressions for predictions of hardened concrete strength as composite function of cement content and w/c ratio. By testing more than 200 cubes, the suggested theoretical model shows a good agreement with experimental results. (Bentezl, Peltzl, and Winpigler (2009)), established that the influence of water-to-cement mass ratio (w/c) on early-age ...

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Crushing Strength Of M25 Concrete After 7 28 Days. What is the Crushing strength of M 25 concrete at seven days. For M25 grade concrete the seven days crushing for site condition shall be not less than 67 % of M25, i.e not less than 16.75 N/mm2 But for target strength of M25 for mix design taken i.e for M25 it is 32 and the 7 days strength shall not be less than 22 N/mm2.

Get Price### Use of Recycled Aggregate in Concrete

Use of Recycled Aggregate in Concrete S. Muneera1, A. Rupa2 ... The aggregate obtained from crushing of heavy structures retained some binding abilities. Generally, such aggregates are different from natural and, consequently, concrete made with use of them has specific properties. Use of recycled aggregate in concrete can be useful for environmental protection and economical terms. Recycled ...

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one cubic meter of aggregate weights heavy industry is specialized in the design, manufacture and supply of crushing equipment used in mining industry. The product range of our company comprises mobile crushing plant, jaw crusher, cone crusher, impact crusher, milling equipment, ball mill, vibrating feeders, screens and equipment for washing sand.

Get Price### What are aggregates? What are the basic properties .

Aggregate Aggregate is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world. Aggregat...

Get Price### Computing the Compressive Strength of Concrete Cubes at (7 ...

of concrete strength are used to generate expressions for predictions of hardened concrete strength as composite function of cement content and w/c ratio. By testing more than 200 cubes, the suggested theoretical model shows a good agreement with experimental results. (Bentezl, Peltzl, and Winpigler (2009)), established that the influence of water-to-cement mass ratio (w/c) on early-age ...

Get Price### crushing strength of all grades of concrete

Crushing Strength Of M25 Concrete After 7 28 Days. What is the Crushing strength of M 25 concrete at seven days. For M25 grade concrete the seven days crushing for site condition shall be not less than 67 % of M25, i.e not less than 16.75 N/mm2 But for target strength of M25 for mix design taken i.e for M25 it is 32 and the 7 days strength shall not be less than 22 N/mm2.

Get Price### A Review of Partial Replacement of Fine Aggregate & Coarse ...

aggregate & coconut shell as coarse aggregate can be used. Researchers has investigated that glass posses a pozzolana properties due to increase in silica content, so it can be replace fine aggregate to some degree and can improve the strength and also increase the durability of concrete. The chemical compositions of coconut shell taken under study are almost similar to that of ordinary cement ...

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