Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/74243
Title: Microwave-assisted beneficiation of recycled concrete aggregates
Authors: Gary, O.K.C. 
Akbarnezhad, A. 
Hong, Z.M. 
Tim, T.C. 
Foo, T.W.J.
Issue Date: 2010
Source: Gary, O.K.C.,Akbarnezhad, A.,Hong, Z.M.,Tim, T.C.,Foo, T.W.J. (2010). Microwave-assisted beneficiation of recycled concrete aggregates. Proceedings, Annual Conference - Canadian Society for Civil Engineering 1 : 148-156. ScholarBank@NUS Repository.
Abstract: The presence of adhering cementitious mortar has been reported to be one of the main factors lowering the performance of concrete mixtures made with recycled concrete aggregates (RCA) when compared to natural aggregates (NA). A new microwave-assisted technique has been recently developed at the National University of Singapore that may increase the yield and quality of the RCA processed within a much shorter time when compared to other previously proposed methods. In this paper, the results of an experimental study conducted to investigate the effect of the adhering mortar content on the properties of RCA and to compare efficacy of the microwave-assisted beneficiation technique with the acid pre-soaking, and conventional heating beneficiation techniques proposed in available literature are presented.
Source Title: Proceedings, Annual Conference - Canadian Society for Civil Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/74243
ISBN: 9781617389061
Appears in Collections:Staff Publications

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