STUDY OF THE COMPARATIVE EXPERIMENT ON SIMPLE BEAMS AND FRAME BEAMS STRENGTHENED BY EXTERNALLY PRESTRESSED TECHNOLOGY

Jin Lingzhi; Fu Qiang; Tian Aiju; Xie Yulin

doi:10.13204/j.gyjz200803016

Volume 38 Issue 3

Dec. 2014

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Citation:

Jin Lingzhi, Fu Qiang, Tian Aiju, Xie Yulin. STUDY OF THE COMPARATIVE EXPERIMENT ON SIMPLE BEAMS AND FRAME BEAMS STRENGTHENED BY EXTERNALLY PRESTRESSED TECHNOLOGY[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 56-58. doi: 10.13204/j.gyjz200803016

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STUDY OF THE COMPARATIVE EXPERIMENT ON SIMPLE BEAMS AND FRAME BEAMS STRENGTHENED BY EXTERNALLY PRESTRESSED TECHNOLOGY

doi: 10.13204/j.gyjz200803016

1.
Department of Civil Engineering,Guilin University of Technology,Guilin 541004

Received Date: 2007-10-20
Publish Date: 2008-03-20

Abstract

Abstract

A comparative experiment on the externally prestressed simple beams and frame beams is conducted. Through this experiment, the theory is proved that shearing force of frame columns is enhanced and effective prestressing of horizontal members is decreased because of effective lateral restraint of the frame columns. And the suggestions are proposed that secondary axial force in frame and shear wall structure must be considered and that of how to increase shearing capacity of frame columns.
- external prestressing,
- lateral restraint,
- secondary axial force,
- shearing force of the column,
- comparative experiment

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References

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郑文忠,周威.预应力混凝土侧向约束影响的分析方法.哈尔滨建筑大学学报,2001(6) : 12-16

[3] 张瑞云,曹双寅.侧向约束对体外预应力加固框架梁承载能力影响分析.工业建筑,2005,35(4):35-37

[4] 蔡跃,黄鼎业,熊学玉等.预应力梁受柱抗侧刚度影响分析及设计建议.特种结构,2003(1):1-3

[5] 王少喻.体外预应力加固混凝土梁体外筋应力增量研究: [硕士学位论文].桂林: 桂林工学院,2007

[6] 田爱菊.钢筋混凝土简支梁体外预应力加固法的抗弯性能研究:[硕士学位论文].桂林:桂林工学院,2007

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