INFLUENCE OF M-SAND ON THE COMPRESSIVE STRENGTH OF M30 GRADE STEEL FIBER-REINFORCED SELF COMPACTING CONCRETE Mr. V. GOKULNATH Assistant Professor Department of civil engineering Saveetha School of engineering [email protected] DR.B. RAMESH Vice Principal Department of civil engineering Saveetha School of engineering [email protected] V.RAJESH Undergraduate Student Department of civil engineering Saveetha School of engineering [email protected] Saveetha institute of medical and technical sciences Chennai-602105 ABSTRACT: Self-compacting concrete is a flow type of concrete that spreads into the form without the need for mechanical vibration. Self-compacting concrete is a non-segregating concrete that is placed by means of its own weight. The amount of steel fibre in SCC has 0.3%,0.6%,0.9%,1.2% and the steel fibre length has 30mm and 0.5diameter..To increase the workability of concrete the super plasticizer can be added. In this paper the concrete casting by using the cube and fresh concrete test can be done .To identify the concrete strength the compression strength can be done in 7 days and 28 days KEY WORDS: Self compacting concrete, super plasticizer, compressive strength, steel fiber. 1. INTRODUCTION M sand is used instead of river sand for construction purpose. Natural or River sand are weathered and worn out particles of rocks and are of various grades or sizes depending upon the amount of wearing. Self-consolidating concrete usually known as SCC is a concrete mix which has a low yield and good deformability high segregation that decreases separation of particles in concrete with normal viscosity necessary to make sure uniform suspension of solid particles while transporting, laying of concrete without vibrates and upto setting of concrete. Self-consolidating concrete can be used for highly reinforced structures where mechanical vibraters are impossible to reach their by creating good surface than regular concrete. Steel fibers are normally added to concrete in low volume doses (regularly under 1%), and have been appeared to be successful in decreasing plastic shrinkage breaking. Steel fibres normally don't altogether adjust free shrinkage of cement, however at sufficiently high measurements they can expand the protection from splitting and diminishing break width. In most of the construction site the steel fibre has widely used and different types of steel fibres variable in the market. In this paper the steel fibre straight has been used. It improves several characterises and properties of the concrete. The addition of steel fiber has been increase the compressive strength of concrete. 2. LITERATURE REVIEW T. Shanmugapriya, R. N. Uma, et.al, 2012 In this paper we can know that High strength concrete is that cannot always be achieved normally by using traditional materials and normal mixing, placing and curing techniques. The minimum silica replacement percentage for obtaining maximum 28- days strength of concrete is from 10%to20% of Cement International Journal of Pure and Applied Mathematics Volume 119 No. 17 2018, 3341-3347 ISSN: 1314-3395 (on-line version) url: http://www.acadpubl.eu/hub/ Special Issue http://www.acadpubl.eu/hub/ 3341
INFLUENCE OF M-SAND ON THE COMPRESSIVE STRENGTH OF M30 GRADE STEEL FIBER-REINFORCED SELF COMPACTING CONCRETE
May 03, 2023
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