Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14868
Title: Influence of silane-based water repellent on the durability properties of recycled aggregate concrete
Authors: Zhu, YG
Kou, SC
Poon, CS 
Dai, JG 
Li, QY
Keywords: Concrete
Durability
Recycled aggregate
Silane
Water repellent treatment
Issue Date: 2013
Publisher: Pergamon Press
Source: Cement and concrete composites, 2013, v. 35, no. 1, p. 32-38 How to cite?
Journal: Cement and concrete composites 
Abstract: This paper aims to investigate the durability properties of recycled aggregate concrete treated with silane-based water repellent agents, since the high water absorption of recycled aggregate concrete is a major factor jeopardizing its durability. Different dosages of silane-based water repellent agents were either coated on the surface of the concrete (hereafter "surface silane treatment") or integrally added into the concrete mixture (hereafter "integral silane treatment"). The mechanical and durability properties of the treated concrete were evaluated. It was found that integral silane treatment can improve the durability of recycled aggregate concrete, but may lead to reductions in compressive strength; surface silane treatment is more effective in improving the resistance of recycled aggregate concrete to capillary water absorption, carbonation and chloride penetration than integral silane treatment.
URI: http://hdl.handle.net/10397/14868
ISSN: 0958-9465
EISSN: 1873-393X
DOI: 10.1016/j.cemconcomp.2012.08.008
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