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题名: Evaluation and Application of Recipe for Binding Materials in Self-Compacting Concrete. Key Engineering Materials
作者: Weichung Yeih
Maochieh Chi
Jiang Jhy Chang
Cheng Chin Chang
贡献者: 國立臺灣海洋大學:河海工程學系
关键词: Binding Materials
Boxing Test
Compressive Strength
Self-Compacting Concrete
日期: 2015-01
上传时间: 2019-12-20T02:22:16Z
出版者: EI
摘要: Abstract: Concrete consists of many kinds of raw materials, the safety and quality of construction are greatly influenced by the stability of concrete. Thus, how to improve the performance of concrete and construction method, i.e. avoid the bleeding, segregation and honeycomb, etc, becomes a very important issue and imminent mission. This study discusses the different mixing designs of SCC with the amounts of cementitious materials ( OPC, GGBFS, and FA) ranged from 400 - 500 kg/m3. Meanwhile, the fresh and hardened properties of SCC, such as the slump flow, setting time, heat of hydration, and compressive strength were also determined. Test results indicate SCC binding materials can be classified by its compacting ratio. For instance, to pass the boxing test of R1/R2 within and without hindrance, the minimum binding materials should be 500kg/m3, 450kg/m3 and 400kg/m3. The optimum binding materials research shows if use cement, GGBFS and FA at the same time , it can increase the initial and final setting time and decrease the heat of hydration. The SCC binding materials' concept will meet the requirement of " Safety, Durability, Workability and Ecology " for the new era. Thus, the amount of cement was at least 250kg/m3 or more for SCC mix design and the adding of GGBFS and FA was recommended to maintain 20 - 40 % of all cementitious materials based on the test results.
關聯: 629(630) pp 405-416
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52690
显示于类别:[河海工程學系] 期刊論文

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