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M.Tech / M.E / PhD Thesis | Civil Engineering | India | Volume 6 Issue 5, May 2017 | Popularity: 6.3 / 10

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Effect of Recycled Aggregate along with Glass Fiber and Fly Ash on Concrete Properties

J. Suneel, P. S. S. Anjaneya Babu

Abstract: Waste arising from construction and demolition constitutes one of the largest waste streams within the developed and developing nations. The use of recycled coarse aggregate (RCA) and fly ash (FA) is one of the approaches towards this need. Use of RCA and FA in concrete can be useful for environmental protection and economical aspects. In this experimental study the natural coarse aggregate is replaced with recycled coarse aggregate at different percentage and the mechanical strength of concrete is tested. In addition the fly ash is introduced as replacement of Cement and also glass fibers are added to improve the quality of concrete and tensile strength. Cylinders and cubes are casted by replacing coarse aggregate with 0 %, 25 %, 50 %, 75 % and 100 % recycled coarse aggregate. In addition 10 % 20 % & 25 %of fly ash 0.05 % 0.015 % & 0.025 % glass fibers is introduced as replacement of Cement to improve the quality of concrete. Here the effect of replacement of fly ash and addition of glass fibers on the properties of recycled aggregate concrete is studied and compressive strength & split tensile strength is compared with normal concrete without fly ash. The target strength is achieved in compression at 20 % replacement of fly ash, 0.015 % addition of S-Glass fibers and in tension at 10 % replacement of fly ash, 0.015 % addition of S-Glass fibers.

Keywords: Recycled aggregate, recycled coarse aggregate concrete, fly ash, Glass fiber, Compressive strength, Split tensile strength,

Edition: Volume 6 Issue 5, May 2017

Pages: 1373 - 1377

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