INTERNAL FORCE REDISTRIBUTION AND CRACK CONTROL OF PRESTRESSED CONCRETE FLAT-FLOORS

Wu Jing; Meng Shaoping; Wang Cui

doi:10.13204/j.gyjz200912004

Volume 39 Issue 12

Dec. 2014

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Abstract

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(12): 14-17

Wu Jing, Meng Shaoping, Wang Cui. INTERNAL FORCE REDISTRIBUTION AND CRACK CONTROL OF PRESTRESSED CONCRETE FLAT-FLOORS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 14-17. doi: 10.13204/j.gyjz200912004

Citation:

Wu Jing, Meng Shaoping, Wang Cui. INTERNAL FORCE REDISTRIBUTION AND CRACK CONTROL OF PRESTRESSED CONCRETE FLAT-FLOORS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 14-17. doi: 10.13204/j.gyjz200912004

Wu Jing, Meng Shaoping, Wang Cui. INTERNAL FORCE REDISTRIBUTION AND CRACK CONTROL OF PRESTRESSED CONCRETE FLAT-FLOORS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 14-17. doi: 10.13204/j.gyjz200912004

Citation:

Wu Jing, Meng Shaoping, Wang Cui. INTERNAL FORCE REDISTRIBUTION AND CRACK CONTROL OF PRESTRESSED CONCRETE FLAT-FLOORS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 14-17. doi: 10.13204/j.gyjz200912004

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INTERNAL FORCE REDISTRIBUTION AND CRACK CONTROL OF PRESTRESSED CONCRETE FLAT-FLOORS

doi: 10.13204/j.gyjz200912004

1.
1. Key Lab of RC &PC Structures of Ministry of Education,Southeast University,Nanjing 210096,China;
2.
2. Shanghai Baoye Construction Co. ,Shanghai 200941,China

Received Date: 2009-09-12
Publish Date: 2009-12-20

Abstract

Abstract

This paper pointed out the shortage of equivalent frame method to design unbonded prestressed concrete flat-floors.By analyzing the moment distribution of such a structure,it was indicated that the design of the serviceability limit state should be based on the elastic moment in order to control the crack width,and as to the ultimate state,the internal force redistribution should be taken into consideration while the crack width under service load was guaranteed.Based on the above mentioned principles and some calculations,the paper concluded the magnitude of internal force redistribution and discussed the moment distribution after modification.Finally several design suggestions were put forward.
- prestressing,
- flat-floor,
- crack,
- internal force redistribution

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References(5)

References

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朱聘儒.双向板无梁楼盖[M].北京:中国建筑工业出版社,1999:79-83.

[3] Corley W G,Jirsa J O.Equivalent Frame Analysis for Slab Design[J].ACI Journal,1970(12):875-884.

[4] JGJ 922004无粘结预应力混凝土结构技术规程[S].

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