STUDY ON SIMPLIFIED CALCULATION METHOD FOR SECONDARY MOMENT OF PRESTRESSED CONCRETE FRAME

Zhang Yuming; Meng Shaoping

doi:10.13204/j.gyjz200603012

Volume 36 Issue 3

Dec. 2014

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Abstract

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2006 > 36(3): 44-46

Zhang Yanxia, Zhao Wei, Li Yunpeng, Min Zongjun. RESEARCH ON MECHANICAL BEHAVIOR OF THE CIRCULAR HOLE CELLULAR BEAMS AND STEEL-CONCRETE COMPOSITE CELLULAR BEAM[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(2): 136-142. doi: 10.13204/j.gyjz201502028

Citation:

Zhang Yuming, Meng Shaoping. STUDY ON SIMPLIFIED CALCULATION METHOD FOR SECONDARY MOMENT OF PRESTRESSED CONCRETE FRAME[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 44-46. doi: 10.13204/j.gyjz200603012

Citation:

Zhang Yuming, Meng Shaoping. STUDY ON SIMPLIFIED CALCULATION METHOD FOR SECONDARY MOMENT OF PRESTRESSED CONCRETE FRAME[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 44-46. doi: 10.13204/j.gyjz200603012

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STUDY ON SIMPLIFIED CALCULATION METHOD FOR SECONDARY MOMENT OF PRESTRESSED CONCRETE FRAME

doi: 10.13204/j.gyjz200603012

1.
The Key Lab on RC/2 PC Structures of Ministry of Education,Southeast University Nanjing 210096

Received Date: 2005-11-13
Publish Date: 2006-03-20

Abstract

Abstract

For single span beam or interior span beam of prestressed concrete frame,a simplified method for calculating secondary moment was developed. A parabola was used instead of real prestressing steel bar shape in this method. The method is easy and the result is accurate. But for side span beam,the method is not accurate enough because the arrangement of prestressing steel bar in side span is different from that in interior span. It is suggested that secondary moment of side span beam should be calculated with its real shape.
- secondary moment,
- prestress,
- parabola

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References(2)

References

吕志涛,孟少平. 现代预应力设计. 北京: 中国建筑工业出版社,1998: 95

熊学玉,孙宝俊. 有效预应力作用下预应力混凝土超静定结构的次弯矩计算. 建筑结构学报,1994(12): 55-62

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