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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50366

Title: The Effects of Different Fine Recycled Concrete Aggregates on the Properties of Mortar
Authors: Fan, Cheng-Chih
Huang, Ran
Hwang, Howard
Chao, Sao-Jeng
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: fine recycled concrete aggregate
recycled concrete aggregate
recycled aggregate
compressive strength
ultrasonic pulse velocity
Date: 2015-05
Issue Date: 2018-10-05T07:44:30Z
Publisher: MATERIALS
Abstract: Abstract: The practical use of recycled concrete aggregate produced by crushing concrete waste reduces the consumption of natural aggregate and the amount of concrete waste that ends up in landfills. This study investigated two methods used in the production of fine recycled concrete aggregate: (1) a method that produces fine as well as coarse aggregate, and (2) a method that produces only fine aggregate. Mortar specimens were tested using a variety of mix proportions to determine how the characteristics of fine recycled concrete aggregate affect the physical and mechanical properties of the resulting mortars. Our results demonstrate the superiority of mortar produced using aggregate produced using the second of the two methods. Nonetheless, far more energy is required to render concrete into fine aggregate than is required to produce coarse as well as fine aggregate simultaneously. Thus, the performance benefits of using only fine recycled concrete aggregate must be balanced against the increased impact on the environment.
Relation: 8(5) pp.2658-2672
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50366
Appears in Collections:[河海工程學系] 期刊論文

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