期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 124, 期 -, 页码 866-877出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.08.016
关键词
Waste glass powder; Strength activity index; Cements replacement; Cement addition mechanical and physical properties
The aim objective of this work is to study of the use of waste glass powder obtained from grinding of crushed containers and building demolition to produce glass powder blended cement as concrete additives. The pozzolanic activity of glass powder and properties of glass powder blended cement were evaluated. Also, the effect of using glass powder as cement replacement and as cement addition was studied in the term of physical and mechanical properties. The considered glass powder contents were 0.0%, 5.0%, 10.0%, 15.0%, 20.0% and 25.0% by weight of cement. The test results showed that the glass powder had pozzolanic Characteristic and the use of glass powder had insignificant effect on setting time and cement expansion. The use of 10% glass powder as cement replacement enhanced the mortar compressive strength by about 9.0%. Also, generally, the use of glass powder as cement replacement up to 15.0% enhanced the properties of concrete modified with glass powder. Finally, the use of 15% glass powder as cement addition increased concrete compressive strange by 16.0% in average and achieved better performance compared with as cement replacement. (C) 2016 Elsevier Ltd. All rights reserved.
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