[1] Chun Qing, , Van Balen Koenraad, et al. Comparison study on calculation methods of bending behaviorof Chinese reinforced concrete beams from 1912 to 1949 [J]. Journal of Southeast University (English Edition), 2015, 31 (4): 529-534. [doi:10.3969/j.issn.1003-7985.2015.04.017]

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Comparison study on calculation methods of bending behaviorof Chinese reinforced concrete beams from 1912 to 1949()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

31

Issue:

2015 4

Page:

529-534

Research Field:

Civil Engineering

Publishing date:

2015-12-30

Info

Title:

Comparison study on calculation methods of bending behaviorof Chinese reinforced concrete beams from 1912 to 1949

Author(s):

Chun Qing¹;  2;  3;  Van Balen Koenraad⁴;  Han Yidan¹

¹School of Architecture, Southeast University, Nanjing 210096, China
²Key Laboratory of Urban & Architectural Heritage Conservation of Ministry of Education, Southeast University, Nanjing 210096, China
³Shanghai Key Laboratory of Engineering Structure Safety, Shanghai Research Institute of Building Sciences, Shanghai 200032, China
⁴Department of Civil Engineering, KU Leuven, Heverlee 3001, Belgium

Keywords:

reinforced concrete beam;  the Republic of China era from 1912 to 1949;  bending behavior;  calculation method;  comparative study

PACS:

TU375

DOI:

10.3969/j.issn.1003-7985.2015.04.017

Abstract:

In order to study the calculation methods of bending behavior of Chinese reinforced concrete beams from 1912 to 1949, tests on the mechanical performance of 66 rebars from different modern Chinese concrete buildings, the concrete compressive strength of 12 modern Chinese concrete buildings, and the concrete cover thickness of 9 modern Chinese concrete buildings are carried out; and the actual material properties and structural conformations of modern Chinese concrete buildings are obtained. Then, the comparison on calculation methods of bending behavior including the original Chinese calculation method, the present Chinese calculation method, the present American calculation method and the present European calculation method is studied. The results show that the original Chinese calculation method of bending behavior is based on the allowable stress calculation method, and the design safety factors are 3.55 to 4.0. In term of the calculation area of longitudinal rebars of reinforced concrete beams, without considering earthquake action, the original Chinese structural calculation method is safer than the present Chinese structural calculation method, the present European structural calculation method, and the present American structural calculation method. The results can provide support for the structural safety assessments of modern Chinese reinforced concrete buildings.

References:

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Memo

Memo:

Biography: Chun Qing(1979—), male, doctor, associate professor, cqnj1979@163.com.
Foundation items: The National Natural Science Foundation of China(No.51138002), the Foundation for the Author of National Excellent Doctoral Dissertation of PR China(No.201452), the Open Fund of Shanghai Key Laboratory of Engineering Structure Safety(No.2015-KF06).
Citation: Chun Qing, Van Balen Koenraad, Han Yidan.Comparison study on calculation methods of bending behavior of Chinese reinforced concrete beams from 1912 to 1949[J].Journal of Southeast University(English Edition), 2015, 31(4):529-534.[doi:10.3969/j.issn.1003-7985.2015.04.017]

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