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Experimental investigation of using recycled glass waste as fine aggregate replacement in concrete

Alharishawi Salam Salman Chiad, Rajaa Nagham, Jabur Aqeel Raheem

Archives of Civil Engineering

2021

Vol. 67, nr 4

27--38

Environmental problems are considered a serious situation in modern construction. Reusing and recycling glass wastes is the only method to decrease waste produced. There is growing environmental compression to decrease glass waste and to reprocess as much as possible. In this investigational work, the effect of partially substituting crushed waste glass in concrete is considered. The study investigates crushed waste glass used as a partial replacement of fine aggregate for new concrete. Recycled glass waste was partially replaced as 5%, 10%, 15%, 20%, 25%, 30, 35, 40%, 45%, 45% and 50% and tested at 7, 14 and 28 days of curing at 20° for mechanical properties and compared with those of controlled mix. The compressive strength, splitting tensile strength and flexural forces and static elasticity modulus of specimens with 20% waste glass content was 30%, 19.41%, 9.13% and 10.12%, respectively, which is higher than the controlled mix at 28 days. The outcomes displayed that the maximum rise in strength of concrete occurred when 20% replacement with glass crush. It is found that crushed waste glass can be used as fine aggregate replacement material in concrete production.