Research on temperature field and temperature stress of prestressed concrete girders
Автор: Chen Cheng, Kaiyin Zhang
Журнал: International Journal of Intelligent Systems and Applications(IJISA) @ijisa
Статья в выпуске: 1 vol.3, 2011 года.
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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.
Temperature field, temperature stress, prestressed concrete box girders
Короткий адрес: https://sciup.org/15010154
IDR: 15010154
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