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作者:

Ye, Taoping (Ye, Taoping.) | Cao, Wanlin (Cao, Wanlin.) (学者:曹万林) | Zhang, Yixuan (Zhang, Yixuan.) | Yang, Zhengwen (Yang, Zhengwen.)

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摘要:

Recycling concrete not only reduces the use of virgin aggregate but also decreases the pressure on landfills. As a result, recycled coarse aggregate (RCA) is extensively recommended for new construction projects. However, the flexural behavior of corroded reinforced recycled aggregate concrete (RAC) beams is uncertain. The experimental research presented in this paper was performed to investigate the flexural behavior of corroded reinforced RAC beams compared to that of corroded reinforced natural aggregate concrete (NAC) beams and consequently explore the possibility of using RAC beams in corrosive environments. Four different percentages of RCA in total mass of coarse aggregate in concrete mixtures (0%, 33%, 66%, and 100%) and two different concrete strengths (C30, C60) were the governing parameters. The electrochemical method was adopted to accelerate steel corrosion. Full-scale tests were performed on eight simply supported beams until the failure load was reached. Comparison of load-deflection behavior, crack patterns, failure modes, ductility, and ultimate flexural capacity of corroded reinforced NAC and RAC beams was made based on the experimental results obtained. The comparison results show that the flexural behavior of corroded reinforced RAC beams with an appropriate percentage of RCA is satisfactory compared to the behavior of NAC beams.

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作者机构:

  • [ 1 ] [Ye, Taoping]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Cao, Wanlin]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Yixuan]State Grid Beijing Elect Power Co, Beijing 100031, Peoples R China
  • [ 4 ] [Yang, Zhengwen]Beijing Zhonglu Yuantong Engn Consulting Co Ltd, Beijing 100085, Peoples R China

通讯作者信息:

  • 曹万林

    [Cao, Wanlin]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China

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来源 :

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING

ISSN: 1687-8434

年份: 2018

卷: 2018

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:131

JCR分区:4

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

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