EXPERIMENTAL RESEARCH ON SEISMIC BEHAVIOR OF EXTERIOR JOINTS WITH SPECIALLY SHAPED COLUMNS REINFORCED BY FIBER

Wang Tiecheng; Zhang Xuehui; Zhao Hailong; Qi Jianwei

doi:10.13204/j.gyjz201001013

Volume 40 Issue 1

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(1): 46-50,72

Zhao Yuxing, Yang Qing, Li Liyong. SEISMIC DESIGN BY SEMI-SLIP-SUPPORTED STAIRS FOR REASONABLE STRUCTURAL SYSTEM OF THE FRAME BUILDING[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(1): 94-97,148. doi: 10.13204/j.gyjz201201018

Citation:

Wang Tiecheng, Zhang Xuehui, Zhao Hailong, Qi Jianwei. EXPERIMENTAL RESEARCH ON SEISMIC BEHAVIOR OF EXTERIOR JOINTS WITH SPECIALLY SHAPED COLUMNS REINFORCED BY FIBER[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(1): 46-50,72. doi: 10.13204/j.gyjz201001013

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EXPERIMENTAL RESEARCH ON SEISMIC BEHAVIOR OF EXTERIOR JOINTS WITH SPECIALLY SHAPED COLUMNS REINFORCED BY FIBER

doi: 10.13204/j.gyjz201001013

1.
1. School of Civil Engineering,Tianjin University,Tianjin 300072,China;
2.
2. Tianjin Key Laboratory of Civil Engineering Structure and New Materials,Tianjin 300072,China;
3.
3. Hebei Dadi Civil Engineering Co.Ltd,Shijiazhuang 050021,China

Received Date: 2009-03-15
Publish Date: 2010-01-20

Abstract

Abstract

Experimental research and theoretic analysis show that the webs of some joints with specially shaped columns exhibit severe failure under low cyclic loading,so the joint with specially shaped columns become the weak part of structures with specially shape columns,and it restricts the storey height of this structure.Based on the low cyclic loading of a exterior joint with specially shaped columns reinforced by polypropylene fiber at the core of the joint and a joint with specially shaped columns not reinforced,it is compared the failure characteristic,the bearing capacity and ductility,the hysteresis curve of the moment-rotation at end of beams of the two specimens;it is studied the change of the stirrup strain of the core of joints,and is also analyzed the cumulated damages with the damage estimating model.It is shown that fiber reinforced concrete could improve the failure characteristic and enhance the cracking load effectively of the joint with specially shaped columns,so the joint is never the weak part of structures with specially shape columns.
- joint,
- specially shaped column,
- fiber,
- low cyclic loading

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References(8)

References

[2] GhobarahA,EL-AmouryT. Seismic Rehabilitation of Deficient Exterior Concrete Frame Joints[J]. Journal of Composites for Construction,2005(9):408-416.

Hitoshi Shiohara. New Model for Shear Failure of RC Interior Beam-Column Connections[J]. Journal of Structural Engineering,2001(2):152-160.

[3] 余琼,吕西林,陆洲导.框架节点往复荷载下的受力性能研究[J].同济大学学报,2004,32(10):1376-1381.

[4] 黄珏,肖建庄,葛亚杰,等.异形柱框架节点受力性能研究进展与评述[J].结构工程师,2002(1):52-57.

[5] 陈昌宏,单建,马乐为,等.钢筋混凝土异形柱框架节点抗震性能试验[J].工业建筑,2007,37(2):6-10.

[6] 王铁成,林海,康谷贻,等.钢筋混凝土异形柱框架试验及静力弹塑性分析[J].天津大学学报,2006,39(12):1457-1464.

[7] 王铁成,张学辉,康谷贻.两种混凝土异形柱框架抗震性能试验对比[J].天津大学学报,2007,40(7):791-798.

[8] 刁波,李淑春,叶英华.往复荷载作用下混凝土异形柱结构累积损伤分析及试验研究[J].建筑结构学报,2008,29(1):57-63.

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