IJERT-EMS
IJERT-EMS

Effect of Manufacture sand on Strength Characteristics of Roller Compacted Concrete


Effect of Manufacture sand on Strength Characteristics of  Roller Compacted Concrete
Authors : S.KrishnaRao, Dr.T. ChandraSekharRao, Dr.P.Sravana
Publication Date: 28-02-2013

Authors

Author(s):  S.KrishnaRao, Dr.T. ChandraSekharRao, Dr.P.Sravana

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.2 - Issue 2 (February - 2013)

e-ISSN:   2278-0181

Abstract

The American Concrete Institute (ACI) 116R defines RCC as °»Concrete compacted by roller compaction; concrete that in its unhardened state will support a roller while being compacted°…. RCC as a pavement material has been gaining acceptance over the past years. Common river sand has become more expensive due to excessive cost and depletion of the natural resource. In such a situation the M-sand can be an alternative material to river sand. Hence in the present study a control mix was established for RCC aiming for flexural strength of 5N/mm2 proportioning of the materials was done based on soil compaction concepts specified in ACI211- 3R-19.This paper also presents the effect of manufacture sand (0% to 100% replacement with natural sand) on strength properties of RCC. Test results indicate that the increase in flexural strength levels at increasing levels of fine aggregate replacement by M-sand. The study also revealed that addition of M-sand reduces the cement and fine aggregate contents in RCC mixtures.

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