Cyclic shear tests on RC precast beam-to-column connections retrofitted with a three-hinged steel device

被引：21
作者：
Magliulo, Gennaro [1 ]
Cimmino, Maddalena [2 ]
Ercolino, Marianna [3 ]
Manfredi, Gaetano [1 ]
机构：
[1] Univ Naples Federico II, Dept Structures Engn & Architecture, Via Claudio 21, I-80125 Naples, Italy
[2] Univ Naples Federico II, Construct Technol Inst URT Naples, Natl Res Council Italy, DiSt, I-80125 Naples, Italy
[3] Univ Greenwich, Dept Engn Sci, Medway Campus,P342 Cent Ave, Chatham ME4 4TB, Kent, England
来源：
BULLETIN OF EARTHQUAKE ENGINEERING | 2017年 / 15卷 / 09期
关键词：
RC precast buildings; Beam-to-column connections; Cyclic shear tests; Seismic retrofitting; Three-hinged steel system; SEISMIC PERFORMANCE; INDUSTRIAL BUILDINGS; CONCRETE STRUCTURES; DOWEL CONNECTIONS; EARTHQUAKE;
D O I：
10.1007/s10518-017-0114-x
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Recent European earthquakes demonstrated that the seismic response of RC precast structures can be significantly influenced by the connection systems. Moreover, during past seismic events, many failures of the beam-to-column connections occurred due to their inadequate strength under seismic loads. The seismic safety of these connections has a crucial role in the overall seismic capacity of existing precast structures. A new connection system is employed as a retrofitting solution for a damaged beam-to-column connection and its cyclic shear performance is investigated by means of two cyclic shear tests on two different configurations. In both the experimental tests, the results demonstrate an efficient behavior of the retrofitted connections under horizontal cyclic loads. The comparison between the performance of the investigated connection and the response of a typical beam-to-column dowel connection allows to discuss the main critical features of the dowel connection system.
引用
收藏
页码：3797 / 3817
页数：21
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