TEST STUDY ON THERMAL CREEP STRAIN OF GFRP BARS

Zhou Changdong; LüXilin; Jin Ye

doi:10.13204/j.gyjz200804019

Volume 38 Issue 4

Dec. 2014

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Zhou Changdong, LüXilin, Jin Ye. TEST STUDY ON THERMAL CREEP STRAIN OF GFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 73-76. doi: 10.13204/j.gyjz200804019

Citation:

Zhou Changdong, LüXilin, Jin Ye. TEST STUDY ON THERMAL CREEP STRAIN OF GFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 73-76. doi: 10.13204/j.gyjz200804019

Zhou Changdong, LüXilin, Jin Ye. TEST STUDY ON THERMAL CREEP STRAIN OF GFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 73-76. doi: 10.13204/j.gyjz200804019

Citation:

Zhou Changdong, LüXilin, Jin Ye. TEST STUDY ON THERMAL CREEP STRAIN OF GFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 73-76. doi: 10.13204/j.gyjz200804019

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TEST STUDY ON THERMAL CREEP STRAIN OF GFRP BARS

doi: 10.13204/j.gyjz200804019

1.
1. School of Engineering and Architecture,Beijing Jiaotong University,Beijing 100044;
2.
2. State Key Laboratory for Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092

Received Date: 2007-10-08
Publish Date: 2008-04-20

Abstract

Abstract

To study the thermal creep strain of FRP bars in fire, experiment are carried out on 72 (21groups) prestressing GFRP bars exposed to high temperature under axial load. The parameters considered are temperature variation and stress level. The thermal creep strain rate and the tensile strength of GFRP bars are investigated through test. The test results are obtained during high temperature exposure. The thermal creep strain of GFRP bars expands with the r ise of temperature and stress level. The results can be applied to calculate the prestress for ce loss of prestressing GFRP reinforced concrete structures in fire.
- GFRP bar,
- thermal creep,
- fire,
- high temperature