Evaluation of Flexural Behavior of Textile-Reinforced Mortar-Strengthened RC Beam Considering Strengthening Limit

被引：3
|
作者：
Park, Jongho [1 ]
Park, Sun-Kyu [2 ]
Hong, Sungnam [3 ]
机构：
[1] Sungkyunkwan Univ, Global Frontiers Resilient EcoSmart City, Suwon 16419, South Korea
[2] Sungkyunkwan Univ, Dept Civil Architectural & Environm Syst Engn, Suwon 16419, South Korea
[3] Gyeongsang Natl Univ, Dept Ocean Civil Engn, Tongyeong 53064, South Korea
来源：
MATERIALS | 2021年 / 14卷 / 21期
基金：
新加坡国家研究基金会;
关键词：
TRM; debonding; strengthening limit; TRM coefficient; flexural behavior; CONCRETE BEAMS; BOND; FRP;
D O I：
10.3390/ma14216473
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Textile-reinforced mortar (TRM) is a strengthening material in which textiles are attached to reinforced concrete (RC) structures using an inorganic matrix. Although many studies on structural behavior, various factors that affect TRM behavior could not be determined clearly. Especially, the uncertainty in bonds due to inorganic materials was not considered. In this study, the flexural behavior of TRM-strengthened beams was determined considering intermediate crack debonding occurred. The TRM beam strengthening limit and TRM coefficients were defined considering the possibility of premature failure and experimental results of four other research on 22 specimens. Therefore, it is expected that a conservative design would be possible when the suggested strengthening limit coefficient is applied.
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收藏
页数：14
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