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作者:

Lu, Zhao-Hui (Lu, Zhao-Hui.) | Wang, Hong-Jun (Wang, Hong-Jun.) | Qu, Fulin (Qu, Fulin.) | Zhao, Yan-Gang (Zhao, Yan-Gang.) | Li, Peiran (Li, Peiran.) | Li, Wengui (Li, Wengui.)

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EI SCIE CSCD

摘要:

In this study, a total of 177 flexural experimental tests of corroded reinforced concrete (CRC) beams were collected from the published literature. The database of flexural capacity of CRC beam was established by using unified and standardized experimental data. Through this database, the effects of various parameters on the flexural capacity of CRC beams were discussed, including beam width, the effective height of beam section, ratio of strength between longitudinal reinforcement and concrete, concrete compressive strength, and longitudinal reinforcement corrosion ratio. The results indicate that the corrosion of longitudinal reinforcement has the greatest effect on the residual flexural capacity of CRC beams, while other parameters have much less effect. In addition, six available empirical models for calculating the residual flexural strength of CRC beams were also collected and compared with each other based on the established database. It indicates that though five of six existing empirical models underestimate the flexural capacity of CRC beams, there is one model overestimating the flexural capacity. Finally, a newly developed empirical model is proposed to provide accurate and effective predictions in a large range of corrosion ratio for safety assessment of flexural failure of CRC beams confirmed by the comparisons.

关键词:

CRC beams database empirical models flexural capacity steel corrosion

作者机构:

  • [ 1 ] [Lu, Zhao-Hui]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Zhao, Yan-Gang]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Lu, Zhao-Hui]Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China
  • [ 4 ] [Wang, Hong-Jun]Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China
  • [ 5 ] [Qu, Fulin]Univ Technol Sydney, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia
  • [ 6 ] [Li, Peiran]Univ Technol Sydney, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia
  • [ 7 ] [Li, Wengui]Univ Technol Sydney, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia

通讯作者信息:

  • [Li, Wengui]Univ Technol Sydney, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia

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来源 :

FRONTIERS OF STRUCTURAL AND CIVIL ENGINEERING

ISSN: 2095-2430

年份: 2020

期: 4

卷: 14

页码: 888-906

3 . 0 0 0

JCR@2022

JCR分区:3

被引次数:

WoS核心集被引频次: 6

SCOPUS被引频次: 5

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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