SEISMIC BEHAVIOR OF REINFORCED CONCRETE CRACK-SHORT COLUMNS STRENGTHENED WITH CFRP

Wang Chenxia; Ming Wenhui

doi:10.13204/j.gyjz201110004

Volume 41 Issue 10

Dec. 2014

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Wang Chenxia, Ming Wenhui. SEISMIC BEHAVIOR OF REINFORCED CONCRETE CRACK-SHORT COLUMNS STRENGTHENED WITH CFRP[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 15-19. doi: 10.13204/j.gyjz201110004

Citation:

Wang Chenxia, Ming Wenhui. SEISMIC BEHAVIOR OF REINFORCED CONCRETE CRACK-SHORT COLUMNS STRENGTHENED WITH CFRP[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 15-19. doi: 10.13204/j.gyjz201110004

Wang Chenxia, Ming Wenhui. SEISMIC BEHAVIOR OF REINFORCED CONCRETE CRACK-SHORT COLUMNS STRENGTHENED WITH CFRP[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 15-19. doi: 10.13204/j.gyjz201110004

Citation:

Wang Chenxia, Ming Wenhui. SEISMIC BEHAVIOR OF REINFORCED CONCRETE CRACK-SHORT COLUMNS STRENGTHENED WITH CFRP[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 15-19. doi: 10.13204/j.gyjz201110004

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SEISMIC BEHAVIOR OF REINFORCED CONCRETE CRACK-SHORT COLUMNS STRENGTHENED WITH CFRP

doi: 10.13204/j.gyjz201110004

Wang Chenxia^1,2,
Ming Wenhui³

1.
1. Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;
2.
2. Architecture and Civil Engineering School,Inner Mongolia University of Science and Technology,Baotou 014010,China;
3.
3. Baotou Planning Bureau,Baotou 014030,China

Received Date: 2010-06-20
Publish Date: 2011-10-20

Abstract

Abstract

In order to develop an effective seismic shear strengthening method for improving the earthquake behavior of RC short columns，experimental studies are conducted by using four beam-column sub assemblage specimens with a short column． Three short columns of these specimens are strengthened by CFRP in loading，while the other is without any strengthening． All the specimens are tested under a constant gravity load and alternately repeated lateral forces．Test results demonstrate that if the short column is strengthened by CFRP，then brittle shear failure does not occur and the column can develop its ultimate flexural moment capacity． It is also shown by tests that the proposed strengthening method is applicable to repair and rehabilitate the damaged short columns failed in the brittle shear mode．
- cracked short columns,
- CFRP sheet,
- strengthen,
- seismic behavior