THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM

Xiong Xueyu; Wang Shousheng

doi:10.13204/j.gyjz200407003

Volume 34 Issue 7

Dec. 2014

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Xiong Xueyu, Wang Shousheng. THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(7): 12-15. doi: 10.13204/j.gyjz200407003

Citation:

Xiong Xueyu, Wang Shousheng. THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(7): 12-15. doi: 10.13204/j.gyjz200407003

Xiong Xueyu, Wang Shousheng. THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(7): 12-15. doi: 10.13204/j.gyjz200407003

Citation:

Xiong Xueyu, Wang Shousheng. THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(7): 12-15. doi: 10.13204/j.gyjz200407003

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THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM

doi: 10.13204/j.gyjz200407003

1.
Research Institute of Prestress,Tongji University Shanghai 200092

Received Date: 2004-04-22
Publish Date: 2004-07-20

Abstract

Abstract

The deflection calculation methods of externally prestressed concrete beam both home and abroad are reviewed.The existing methods have considered tendon stress increase and second-order effect, but limited to shor-t term deflection calculation. Further analysis indicate that other factors such as material non-linear, concrete shrinkage and creep, high temperature performance, as well as the interaction among these factors, should also be considered.
- external prestressing,
- deflection,
- stress increment,
- second-order effect,
- shrinkage and creep

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References(11)

References

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[2] 倪元增,钱寅泉,贾艳敏,等.一种新型预应力钢箱梁桥.土木工程学报,1998(1):44～45

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[4] 邱继生,张耀庭,黄恒卫.体外预应力混凝土梁短期挠度的计算.特种结构,2003(1):34～37

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[7] Harajli M,Khairallah N,Nassif H.Externally Prestressed Members:Evaluation of Second-Order Effects.Journal of Structural Engineering,ASCE,1999,125(10)

[8] 牛斌.体外预应力混凝土梁极限状态分析.土木工程学报,2000(6)

[9] Branson D E.Design Procedures for Computing Deflections.American Concrete Institute Journal Proceeding,1968(9):730～742

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