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

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References(10)

References

郑修麟. 工程材料的力学行为. 西安: 西北工业大学出版社,2004

[2] Thoms H Courtney.Mechanical Behavior of Materials. 北京: 机械工业出版社, 2004

[3] 乔生儒, 骆蓉, 杨峥, 等. 单向碳纤维P热解碳复合材料的高温蠕变行为. 金属学报, 1994, 30(11) : 524-526

[4] 王俊, 蔡跃, 黄鼎业. 预应力钢筋高温蠕变试验研究及有限元分析. 土木工程学报, 2004, 37(11) : 1-5+ 55

[5] GB 11546-89PISO 899-1981 塑料拉伸蠕变测定方法

[6] GBPT 2039-1997PISO 204: 1997 金属拉伸蠕变及持久试验方法

[7] JBPT 9373-1999 拉力蠕变试验机-技术条件

[8] GBPT 16825. 2-2005 静力单轴试验机的检验

[9] GBPT 4338-1995PISO 83: 1989 金属材料高温拉伸试验

[10] GBJ16-87 建筑结构设计防火规范

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