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Pro084-1

CRACK PROPAGATION INDUCED BY STEEL CORROSION ON SURFACE OF RECYCLED AGGREGATE CONCRETE



Author(s): Jianfeng Dong, Yuxi Zhao, Yingyao Wu, Jiangang Zhou and Zhihui Li
Paper category: Proceedings
Book title: Proceedings of CONSEC13 Seventh International Conference on Concrete under Severe Conditions - Environment and Loading Volume I
Editor(s): Z.J. Li, W. Sun, C.W. Miao, K.Sakai, O.E. Gjørv, N.Banthia
ISBN: 978-2-35158-124-7
e-ISBN: 978-2-35158-134-6
Publisher: RILEM Publications SARL
Publication year: 2013
Pages: 804-812
Total Pages: 961
Language : English


Abstract: This study investigated four kinds of concrete with different replacement percentage of recycled coarse aggregate (RA). The thickness of rust layer and crack width on concrete cover surface were measured by digital microscopy. The results show that the more RA concrete contained, the earlier the corrosion-induced crack appears and the faster the crack propagates. The introduction of a small amount of RA (33% in this study) into concrete mixture does not influence corrosion-induced concrete surface cracking process significantly.


Online publication : 2013
Publication type : full_text
Public price (Euros) : 0.00


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