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Title: Use of waste glass as sand in mortar: Part i - Fresh, mechanical and durability properties
Authors: Tan, K.H. 
Du, H.
Keywords: Durability
Fine aggregates
Mechanical properties
Waste glass
Issue Date: Jan-2013
Citation: Tan, K.H., Du, H. (2013-01). Use of waste glass as sand in mortar: Part i - Fresh, mechanical and durability properties. Cement and Concrete Composites 35 (1) : 118-126. ScholarBank@NUS Repository.
Abstract: In this study, mortar made with waste glass as fine aggregates was investigated for its suitability for construction use. A reference mortar mixture was proportioned according to ASTM C 109 and the fine aggregates were replaced by waste glass particles by 0%, 25%, 50%, 75% and 100%, by mass, to study its effect on the properties of mortar. For each mixture, four types of glass sand, namely, brown, green, clear and mixed color glass, were used. Test results indicated that use of waste glass particles as fine aggregates would reduce the flowability and density of mortar, but increase its air content. Except drying shrinkage, the mechanical properties were compromised due to micro-cracking in glass sand and weakened bond with the cement paste. However, durability was enhanced, especially in terms of the resistance to chloride ion penetration. Accelerated mortar bar tests to ASTM C 1260 indicated that green and brown glasses were non-reactive while clear glass was potentially deleterious, with regards to alkali-silica reaction. © 2012 Elsevier Ltd. All rights reserved.
Source Title: Cement and Concrete Composites
ISSN: 09589465
DOI: 10.1016/j.cemconcomp.2012.08.028
Appears in Collections:Staff Publications

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