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Sep 17 2018 · Plastic waste is a viable partial replacement for sand in structural concrete according to a new study by researchers from the UK and India Their findings could help businesses in India dealing with a sand shortage while at the same time addressing the country’s immense plastic waste problems
Mar 10 2020 · Partial sand replacement with bottom ash up to 50 increases the strength of plain concrete and autoclaved aerated concrete when curing age is extended It is interesting to note that although the strength of specimens with CBA exhibits lower strength than control at age of 28d but at later age of 180 days the mix with 50 and 80 CBA
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With the extraction of natural sand deposits the world is over drying up and there is an acute need for a product that matches the properties of natural sand in concrete Bahoria et al 2013
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Feb 04 2015 · New type of crushed sand to replace natural sand in concrete production The availability of natural sand for concrete production is facing challenges while the socalled waste stockpiles at aggregate crushing areas are causing problems for producers
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Could a Mix of Sand and Pee Be a SuperGreen Replacement for Concrete Designers and scientists are experimenting with new materials that are structurally similar to concrete while being a helluva
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Feb 04 2015 · New type of crushed sand to replace natural sand in concrete production The availability of natural sand for concrete production is facing challenges while the socalled waste stockpiles at aggregate crushing areas are causing problems for producers
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The use of natural sand as fine aggregate in concrete is becoming problematic due to scarcity and pressure on mining of the resource Alternate sources such as the use of industrial waste as replacement of natural sand in concrete are gaining popularity as a sustainable construction material
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2 Gurpreet Singh and Rafat siddique 2011 “Effect of waste foundry sand WFS as partial replacement of sand on the strength ultrasonic pulse velocity and permeability of concrete” International journal of construction and building materials Vol26 PP416422 3 IS 10262 2009 Recommended guidelines for concrete mix design 4
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Aggregates are inert granular materials such as sand gravel or crushed stone that along with water and portland cement are an essential ingredient in concrete For a good concrete mix aggregates need to be clean hard strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the
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inproceedingsSukesh2013PartialRO titlePartial Replacement of Sand with Quarry Dust in Concrete authorC Sukesh and Katakam Bala Krishna and P L Teja and S K Rao year2013 The reduction in the sources of natural sand and the requirement for reduction in the cost of concrete
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Nov 27 2018 · 1 Anzar Hamid Mir “ Replacement of Natural Sand with Efficient Alternatives Recent Advances In Concrete Technology ” International Journal of Engineering Research and Applications Volume 5 Issue 3 Part 3 March 2015 Page 51– 56 Google Scholar 2 Akshay C Sankh Praveen M Biradar Prof SJ Naghathan Manjunath B Ishwargol “ Recent Trends inReplacement of Natural Sand
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Replacement concrete repairs are also used for Holes extending entirely through concrete sections Holes in which no reinforcement is encountered or in which the depth extends 1 inch below or behind the backside of the reinforcing steel and which are greater in area than 1 square foot and deeper than 4 inches except where epoxy bonded concrete replacement is required or permitted as an
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Partial replacement of marble powder in cement accordingly in the range of 20 30 40 by weight for M20 grade of concrete With this experimental research work the problem of waste production management of this agro waste are will be solved
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The artificial sand have to satisfy the technical requisites such as workability strength and durability of concrete and hence it has become necessary to study these properties in order to check the suitability and appropriate replacement level of artificial sand in comparison with the natural sand for producing concretes in an economical way
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