ANALYSIS OF LATERAL RESTRAINTS OF PRESTRESSED CONCRETE FRAME STRUCTURES

Wang Chunwu; Meng Shaoping

doi:10.13204/j.gyjz200708013

Volume 37 Issue 8

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2007 > 37(8): 47-50

Xu Qingyang, Li Aiqun, Shen Shungao. RESEARCH OF SEISMIC ENERGY DISSIPATION METHOD FOR LONG-SPAN SPACE TRUSS STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(7): 85-88. doi: 10.13204/j.gyjz200707025

Citation:

Wang Chunwu, Meng Shaoping. ANALYSIS OF LATERAL RESTRAINTS OF PRESTRESSED CONCRETE FRAME STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 47-50. doi: 10.13204/j.gyjz200708013

Xu Qingyang, Li Aiqun, Shen Shungao. RESEARCH OF SEISMIC ENERGY DISSIPATION METHOD FOR LONG-SPAN SPACE TRUSS STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(7): 85-88. doi: 10.13204/j.gyjz200707025

Citation:

Wang Chunwu, Meng Shaoping. ANALYSIS OF LATERAL RESTRAINTS OF PRESTRESSED CONCRETE FRAME STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 47-50. doi: 10.13204/j.gyjz200708013

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ANALYSIS OF LATERAL RESTRAINTS OF PRESTRESSED CONCRETE FRAME STRUCTURES

doi: 10.13204/j.gyjz200708013

1.
College of Civil Engineering,Southeast University Nanjing 210096

Received Date: 2006-01-25
Publish Date: 2007-08-20

Abstract

Abstract

When prestressed tendons were being tensioned in prestressed concrete frame structures,lateral restraints of columns brought about the loss of designed pre_added axial force.the loss induced designed pre_added axial stress not to be reached in beams,and would result in secondary shear and secondary moment in columns,and in beams too.In over_long and over_wide prestressed concrete frame structures with obvious lateral restraints,if the influence of lateral restraints of columns on the transfer of pre_compressive force in beams was not thought over rationally,not only the control of cracks could not be satisfied,but also the computation of carrying load capacity was not safe.Computational models of secondary interior force were built up for different tensioning order,and computational formulas were derived.Some methods were put forward for rational structural design.
- prestressed concrete,
- frame structures,
- lateral restrains,
- secondary interior force

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References(4)

References

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.王铁梦. 工程结构裂缝控制[M].北京:中国建筑工业出版社,1997.396-402.

.韩重庆,冯健. 大面积混凝土梁板结构温度应力分析的徐变应力折减系数法[J].工程力学,2003,(01):7-14.doi: 10.3969/j.issn.1000-4750.2003.01.002.

.筒斌,吴春华. 多层预应力混凝土框架侧向约束对梁轴力的影响[J].建筑结构,2004,(04):25-27.

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