impact of manufactured sand in concrete

impact of manufactured sand in concrete

Under this circu‎mstances use of manufactured sand becomes inevitable. River sand in many parts of the country is not graded properly and has excessive silt and organic impurities and these can be detrimental to durability of steel in concrete whereas manufactured sand has no silt or organic impurities

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Vijayaraghavan and Dr. A.S. Wayal (2013) “ Effects of Manufactured sand on compressive strength and workability of concrete” International Journal of Structural and …

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Jun 02, 2016 At the same w/c ratio, the compressive and flexural strength of manufactured sand concrete exceeds that of natural sand concrete. ANN proved a valuable and reliable method of predicting concrete strength and workability based on the properties of the fine aggregate (FA) and the concrete mix composition.

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The results of sand and mortar testing were used in the development of the subsequent testing phase, examining the effects of manufactured sand properties on concrete water demand utilizing full ...

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Dec 18, 2014 Six representative parent rocks of sand, including limestone, quartzite, gneisses, granite, Basalt and Marble were selected to conduct a systematical research on the effects of various lithologies of manufactured sand on the workability, mechanism properties, volume stability and durability of manufactured-sand concrete. The experimental results show that the strength of manufactured-sand ...

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International Journal of Research and Scientific Innovation (IJRSI) | Volume IV, Issue VII, July 2017 | ISSN 2321–2705 Effect of Fineness Modulus of Manufactured Sand on Mechanical Properties of Self Compacting Concrete D. Pavan Kumar*1,C. Sashidhar2 1 Reserach Scholar, Ph.D, Department of Civil Engineering, Jawaharlal Nehru Technological University, Anantapur, India 2 Professor, Department ...

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Apr 15, 2016 Focusing on the above problems, granite dust was used as partial fly ash replacement in granite manufactured sand concrete to achieve the comprehensive application of granite dust and manufactured sand. The concrete slump was designed as 180 10 mm, meeting the pumping requirements. The effects of the workability, mechanical property ...

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The impact of powder volume on the low strength manufactured sand concrete workability under same sand ratio is analyzed with improved Mehta method. The experimental result shows that freshly mixed low strength manufactured sand concrete workability can be evaluated with powder volume equivalent coefficient and the reasonable powder equivalent ...

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May 01, 2019 1. Introduction. Ultra-High Performance Concrete (UHPC) is one of the most advanced cement-based construction material. It has outstanding mechanical and durability properties, such as compressive strength [2,3], malleability [4,5], impact resistance [], chloride penetration resistance and freezing-thawing resistance [, , ], which has been applied to the pre-stressed hybrid pedestrian bridge ...

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permeability of manufactured sand concrete shows low permeability zone for M40 concrete and for M50. concrete it shows low permeability zone in both concretes. This is due to proper particle size...

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sand has 15.4%, 25% and 66.7% lesser workability than that of M-sand. Also Karur M-sand concrete has 8.33% and 44.44% higher slump values than the Pudukottai and Padalur M-sand. 5.2 Compressive Strength Test When compared with the conventional concrete, Karur M-sand showed 9.56%, 9.16% and 10.71% increase in

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4 rows Jan 10, 2020 The results showed that five kinds of manufactured sand concretes could conform to the standard ...

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