Seismic performance of exterior beam-column joints reinforced with glass fibre reinforced polymer bars and stirrups

被引：18

作者：

Hasaballa, Mohamed H. ^{[1
]}

El-Ragaby, Amr ^{[1
]}

El-Salakawy, Ehab F. ^{[1
]}

机构：

[1] Univ Manitoba, Dept Civil Engn, Winnipeg, MB R3T 5V6, Canada

来源：

CANADIAN JOURNAL OF CIVIL ENGINEERING | 2011年 / 38卷 / 10期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

beam-columns joints; GFRP reinforcement; seismic loading; reinforcement detailing; CONCRETE; FRP;

D O I：

10.1139/L11-066

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Concrete beams, slabs and recently columns reinforced with fibre reinforced polymers (FRP) reinforcements have shown considerable deformability under monotonic and fatigue loading. However, concerns still remain regarding the ability of FRP - reinforced concrete (RC) frame structures to dissipate energy in seismic loading events due to the elastic-linear behaviour of the FRP reinforcement. Furthermore, the behaviour of FRP bars in RC elements subjected to tension-compression reversals has not been well investigated yet. Therefore, this experimental study aims to investigate the feasibility of using glass FRP (GFRP) reinforcements in such structures. Four full-scale exterior T-shaped beam-column joint prototypes were constructed and tested under simulated seismic loading. The test parameters included the type of longitudinal and transverse reinforcement as well as the detailing of beam longitudinal reinforcement. The experimental results showed that under seismic-type loading, beam-column joints reinforced with GFRP bars and stirrups sustained more than 3.0% story drift ratio safely with no considerable damage.

引用

页码：1092 / 1102

页数：11

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