A STUDY ON PROPERTIES OF CEMENT REPLACEMENT BY WASTE GLASS POWDER
Author(s):
Vinaya Shyam D, Priscilla M
Keywords:
CC- Cement Concrete , GPC- Glass Powder Concrete, Waste Glass Powder, Compressive strength, Split tensile strength, Flexural strength, Modulus of rupture
Abstract
Glass is used in many forms in day-to-day life. It has limited life span and after use it is either stock piled or sent to landfills. Since glass is non-biodegradable, landfills do not provide an environment friendly solution. Hence, there is strong need to utilize waste glasses. To realize this potential, waste glass needs to be milled to micro-scale particle size for accelerating its beneficial chemical reactions in concrete. The mix design for M20 concrete was done. Cement replacement by glass powder in the range of 5% to 45% in increments of 5 percentages was studied. Workability, water absorption test, density test, compression test, split tensile strength and flexural strength test of glass powder concrete was conducted and the results were compared with normal concrete. The workability has decreased with addition of glass powder. It further decreases with increase in percentage of glass powder. The density and water absorption of concrete reduces with the increase in the percentage of replacement of cement by glass powder. Target mean strength was achieved for Conventional concrete, 5%GPC, 10%GPC, 15%GPC, 20%GPC and 25%GPC. Even though 30% GPC, 35% GPC, 40% GPC and 45% GPC did not achieve target mean strength their value is more than the designed strength (20 N\mm2). Split tensile strength and Flexural strength decreased with addition of glass powder and it further decreases with increase of glass powder content in concrete. Since glass powder is disposed unscientifically, it is highly hazards, so one of the better ways of disposal is by using in suitable replacement material for cement.
Article Details
Unique Paper ID: 144236

Publication Volume & Issue: Volume 3, Issue 9

Page(s): 49 - 52
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