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aggregates as substitute to sand in concrete

Knowledge Institute of Technology Manufactured sand blended with natural sand in the ratio of 70:30 can be used as fine aggregate in concrete, which shows the better performance than conventional

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5 eco-friendly alternative aggregates for concrete!

5 eco-friendly alternative aggregates for concrete!

2020-11-21 · Alternative materials for coarse aggregate in concrete can be rubber, glass, expanded fly ash clay, or plastic materials. On the other hand, agro-wastes, to industrial by-products, alternative materials for fine aggregate in concrete can be of a wide variety. In the following section, you will get a brief idea on these aggregate alternatives

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effects of foundry sand as a fine aggregate in concrete

effects of foundry sand as a fine aggregate in concrete

2014-11-15 · Foundry sand (FS) reused as a substitute material for fine aggregate in concrete. • The physical and chemical characterization of the FS was studied. • FS substituted in five different substitution rates (10%, 20%, 30%, 40% and 50%). • Destructive and non-destructive tests were performed on all concrete mixtures. •

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utilization of recycled crumb rubber as fine aggregates in

utilization of recycled crumb rubber as fine aggregates in

2013-5-1 · The two main reasons for not utilizing a reclaimed material are (1) addition of material is a detriment to performance, and (2) excessive cost. In this study, the performance of recycled materials crumb rubber as valuable substitute for fine aggregates ranging from 0% to 100% in replacement of crushed sand in concrete mixes is investigated

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(pdf) sea sand as fine aggregate for concrete production

(pdf) sea sand as fine aggregate for concrete production

First was control mix (without Sea sand), and the cement concrete using river sand from 4 - 10%. Strength of other six mixes contained Sea sand. Fine aggregate (sand) cement concrete using sea sand can reach 30 – 35 N/mm2 was replaced with Sea sand by weight

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coconut shell as a substitute for coarse aggregate in concrete

coconut shell as a substitute for coarse aggregate in concrete

Coconut shells as a substitute for coarse aggregates in concrete is gaining importance especially in this region in terms of possible reduction of waste products in the environment and finding a

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sawdust as an alternative material for sand in concrete

sawdust as an alternative material for sand in concrete

This predicament leads the researcher to look for possible substitutes for natural aggregates particularly sand by investigating the potential use of sawdust as alternative for sand as fine aggregate in a concrete mixture. The study determined the strength of concrete mixture with sand and concrete

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replacement of sand in concrete for sustainable building

replacement of sand in concrete for sustainable building

2019-8-23 · Hence, one can replace the river sand up to 25%-50% in the concrete mixes. This type of replacement has a lot of advantages to the environment as well as human kind. Therefore, replacement of river sand with construction and demolition waste is recommended. Also Read: Recycled Concrete Aggregates

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use of waste plastic in concrete mixture as aggregate

use of waste plastic in concrete mixture as aggregate

The results proved the arrest of the propagation of micro cracks by introducing waste plastic of fabriform shapes to concrete mixtures. This study insures that reusing waste plastic as a sand-substitution aggregate in concrete gives a good approach to reduce the cost of materials and solve some of the solid waste problems posed by plastics

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recycling of pet bottles as fine aggregate in concrete

recycling of pet bottles as fine aggregate in concrete

2010-6-15 · An attempt to substitute in concrete the 5% by weight of fine aggregate (natural sand) with an equal weight of PET aggregates manufactured from the waste un-washed PET bottles (WPET), is presented. The WPET particles possessed a granulometry similar to that of the substituted sand. Specimens with different cement content and water/cement ratio

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