STUDY ON MECHANICAL PROPERTIES OF FIBER REINFORCED VERMUCILITE CONCRETE WITH PARTIAL REPLACEMENT OF CEMENT WITH QUARRY DUST
Author(s):
Bandi Asritha Goutham, A S Kumar
Keywords:
Fiber reinforced concrete, quarry dust, vermiculite, basalt fibers, durability
Abstract
Concrete being the mostly used building material in the world out of its inherent strength and durability properties, yet it leads to the depletion of many natural resources like raw materials of cement lime stone and other constituents like aggregates. Apart from this, it is very weak in tension because of its brittle nature. To enable the concrete with tensile nature the concept of fibre reinforced concrete has been develop my adding a variety of natural or synthetic fibers to the concrete. Also the production of lot of by-products from the industries like quarry dust, metakaolin, fly ash putting a lot of thrust on environment as the quarry dust is directly released into the environment and there were no proper disposal methods.. In the present study the mechanical properties of M30 grade of concrete with partial replacement of cement with quarry dust at 10%, 15%, 20%,25%, 30% and Vermiculite at 5%, 10%, 15%, 20%, and 25% replacement to fine aggregate. After getting the optimum, basalt fibres added to the concrete at 0.5%, 1%, 1.5%, 2% , 2.5% and 3%. From the experimental results it is found that the replacement of quarry dust and the vermiculite improved the strength properties of concrete with an optimum of 25% and 20% respectively. Addition of basalt fibers has increased the split tensile and flexural strength considerably at 2% optimum. Durability studies using 5% HCl has also resulted in enhanced
Article Details
Unique Paper ID: 150508

Publication Volume & Issue: Volume 7, Issue 7

Page(s): 77 - 85
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Volume 7 Issue 3

Last Date 25 August 2020

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