Work place: The Research Institute of Highway Bureau of Hubei Province, Wuhan, P.R.China
E-mail: bluewuhan@163.com
Website:
Research Interests: Engineering
Biography
Chen Cheng was born in China in 1977. She received Master degree in Wuhan University of Science, Wuhan, China. She is currently PhD Candidate in Wuhan University of Science, Wuhan, China.
She has been working in the Research Institute of Highway Bureau of Hubei Province, Wuhan, P.R.China since July, 2004. Her research interest is analysis and control of bridge structures. Her main published articles are Brief description of research on temperature field and temperature stress of prestressed concrete girders(Wuhan,China, 2010 International Conference on Logistics Engineering and Intelligent Transportation Systems, LEITS2010 – Proceedings, 2010); An Analysis of Prestress Loss Caused by Friction in Bent duct in the Design of Prestressed Concrete Structure(Changsha, Science Press,2009) The 4th International Symposium on Lifetime Engineering of Civil Infrastructure; Analysis and Diagnosis of Double-convex Arch Bridge Damages ,( (Wuhan,China,2009)) Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering),V33 , v33,n4, p657-662, August 2009(in Chinese).
DOI: https://doi.org/10.5815/ijisa.2011.01.04, Pub. Date: 8 Feb. 2011
This paper introduces the establishment and simplification of the temperature field and the general calculation method of temperature stress of the prestressed concrete box girders. Three kinds of sunshine temperature gradient models were loaded to a real bridge respectively, and got stress and displacement curves. Research data of several prestressed concrete box girders were selected from different regions of China to compare the relative error of the calculated and measured value. We indicate that the study of temperature field and thermal stress of prestressed concrete box girders is necessary, and will help engineers to solve the problem in structure design.
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