Seismic retrofitting of nonductile beam-column sub-assemblage using FRP wrapping and steel plate jacketing

被引：64
|
作者：
Sasmal, Saptarshi [1 ]
Ramanjaneyulu, K. [1 ]
Novak, Balthasar [2 ]
Srinivas, V. [1 ]
Kumar, K. Saravana [1 ]
Korkowski, Christian [2 ]
Roehm, Constanze [2 ]
Lakshmanan, N. [1 ]
Iyer, Nagesh R. [1 ]
机构：
[1] CSIR Struct Engn Res Ctr, Madras 600113, Tamil Nadu, India
[2] Univ Stuttgart, ILEK, D-7000 Stuttgart, Germany
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2011年 / 25卷 / 01期
关键词：
Fiber reinforced plastic (FRP); Steel plate jacketing; Repair; Retrofit; Seismic load; Energy dissipation; GRAVITY LOADS; CONCRETE; REHABILITATION; PERFORMANCE; CONNECTIONS; RESISTANCE; ZONES;
D O I：
10.1016/j.conbuildmat.2010.06.041
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The paper discusses the aspects of repair and retrofitting technique adopted for a damaged reinforced concrete beam-column joint specimen under cyclic loading. A specimen designed based on Indian Standard specifications with consideration of seismic load but without adopting ductile detailing (NonDuctile) was investigated under reverse cyclic loading. Then, the damaged nonductile specimen was repaired with epoxy mortar and grouted using low viscous polymer, and retrofitted using fiber reinforced plastic (FRP) wrapping in beam and column components and steel plate jacketing in joint region. The experimental results showed that the retrofitted specimen not only regained its original strength and stiffness but also has overcome the deficiencies of nonductile detailing. The present study shows that a proper repair and adequate retrofitting technique can be used for strengthening and improvement of damaged regions in reinforced concrete structures. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：175 / 182
页数：8
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