INFLUENCE OF SECONDARY MOMENT ON THE MECHANICAL PROPERTIES OF PPC CONTINUOUS BEAMS

Liu Hui-ping

doi:10.13204/j.gyjz200607014

Volume 36 Issue 7

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2006 > 36(7): 57-58

Liu Hui-ping. INFLUENCE OF SECONDARY MOMENT ON THE MECHANICAL PROPERTIES OF PPC CONTINUOUS BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(7): 57-58. doi: 10.13204/j.gyjz200607014

Citation:

Liu Hui-ping. INFLUENCE OF SECONDARY MOMENT ON THE MECHANICAL PROPERTIES OF PPC CONTINUOUS BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(7): 57-58. doi: 10.13204/j.gyjz200607014

Liu Hui-ping. INFLUENCE OF SECONDARY MOMENT ON THE MECHANICAL PROPERTIES OF PPC CONTINUOUS BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(7): 57-58. doi: 10.13204/j.gyjz200607014

Citation:

Liu Hui-ping. INFLUENCE OF SECONDARY MOMENT ON THE MECHANICAL PROPERTIES OF PPC CONTINUOUS BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(7): 57-58. doi: 10.13204/j.gyjz200607014

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INFLUENCE OF SECONDARY MOMENT ON THE MECHANICAL PROPERTIES OF PPC CONTINUOUS BEAMS

doi: 10.13204/j.gyjz200607014

Liu Hui-ping

1.
Department of Civil Engineering,Xi'an Technological University Xi'an 710032

Received Date: 2005-05-20
Publish Date: 2006-07-20

Abstract

Abstract

Starting from the mechanism producing the secondary moment,it was analyzed the influences of the secondary moment on the ultimate load and the internal force redistribution of PPC continuous beams;and it was obtained the conclusions that the influence of the secondary moment may not be considered at lower reinforcement ratio,but can not be neglected at higer reinforcement ratio because of the poorer rotational capacity of plastic hinge.Secondary moment can improve the rotational capacity of plastic hinge in PPC continuous beams of straight rainforcement;and the moment redistribution can be improved.
- secondary moment,
- PPC continuous beam,
- internal force redistribution,
- ultimate load,
- moment redistribution,
- plastic hinge,
- ductility

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References(5)

References

薛伟辰.现代预应力结构设计.北京:中国建筑工业出版社,2003:90-104

[2] 时杰,杨晓庄.无粘结部分预应力混凝土连续梁次弯矩及其影响.哈尔滨工业大学学报(自然科学版),2002,18(2):368-371

[3] 房贞政,陈红媛.无粘结部分预应力混凝土连续梁弯矩重分布分析.福州大学学报(自然科学版),1996,24(3):47-52

[4] 简斌,白绍良,王正霖.预应力混凝土连续梁弯矩调幅延性要求.工程力学,2001,18(2):51-57

[5] 苑青山,于胜金,陈宏林.预应力混凝土结构中次弯矩概念理论分析.低温建筑技术,2001(2):27-28

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