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A Study On Effective Utilization of Stone Dust as A Partial Replacement for Fine Aggregate and Determining Strength Parameters Using Polypropylene Fiber as an Additive

Author(s):

Guruprakash , Visveswaraya technological university, belgaum, karnataka; Rohan Gurav, VTU, REGIONAL CENTRE, GULBARGA; Shreenivas Reddy, VTU, REGIONAL CENTRE, GULBARGA

Keywords:

Stone Dust, Polypropylene Fiber

Abstract

Cement concrete is one of the most extensively used building construction material in the field of civil engineering which is used in almost all construction works around the world thus making it a most versatile material. Cement concrete is basically a composite mixture of cement, coarse aggregate and well graded fine aggregate including water for mixing purpose. Today the world is witnessing a rapid increase in the construction activities all around which has resulted in the excess manipulation of natural resources such as rocks, clays and naturally available sand etc. Increase in the demand for cement concrete has led to increase in cost, excessive extraction and pollution to the environment. As a result of this material such as natural sand is depleting at an alarming rate. now it is necessary to find some alternative material which includes Crushed stone dust in the production of concrete. This study mainly deals with the partial replacement of fine aggregate by waste by-product obtained from quarry that is crushed stone dust with addition of artificially available fiber such as polypropylene fiber in M25 grade cement concrete. Here in this study we conduct Two set of trials are conducted in the first set of trial fine aggregates replaced by crushed stone dust(at interval of 10%) up to 50% by keeping PF(0.5%)constant and results obtained as compressive strength (35.133N/mm2), split tensile strength(3.712N/mm2)and Flexural strength(5.238N/mm2), similarly in the second set of trial crushed stone dust is kept constant and fiber % is varied at an interval of (0.5%) compressive strength(38.031N/mm2), Splittensilestrength (4.499N/mm2) and Flexural strength (5.786N/mm2). Study is based on 28 days curing period. From this experimental investigation we can conclude that crushed stone dust can be effectively utilized as a partial replacement to Fine aggregate with addition of poly propylene fiber.

Other Details

Paper ID: IJSRDV4I60301
Published in: Volume : 4, Issue : 6
Publication Date: 01/09/2016
Page(s): 730-735

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