Bond behavior between ASR -damaged concrete and CFRP sheets: Empirical modeling

被引：4
|
作者：
Haddad, Rami H. [1 ]
Al-Sayed, Ahmad [1 ]
机构：
[1] Jordan Univ Sci & Technol, Dept Civil Engn, POB 3030, Irbid 22110, Jordan
来源：
JOURNAL OF BUILDING ENGINEERING | 2020年 / 29卷
关键词：
Alkali-silica reactions; Bond force; Double-lap shear testing; Empirical modeling; REINFORCED POLYMER SHEETS; RC BEAMS; SLIP BEHAVIOR; STEEL PLATES; FRP; PERFORMANCE; CORROSION; STRENGTH; REPAIR; EXPANSION;
D O I：
10.1016/j.jobe.2019.101166
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Bond behavior between concrete, which has been cracked by alkali-silica reaction (ASR), and fiber-reinforced concrete polymer (CFRP) sheets is investigated with double-lap shear specimens, assembled using concrete blocks (150x200 150 mm(3)) and CFRP sheets at various bond lengths and widths. The blocks were cast with reactive silica particles before being treated in a sodium hydride solution to accelerate ASR; others were prepared using non-reactive particles and kept in lime water as controls. Empirical models were developed to predict bond force based on the present data. Results show significant reductions in the ultimate bond force (reaching about 69%) as ASR progresses.
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收藏
页数：12
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