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《Journal of South China University of Technology(Natural Science)》 2005-01
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Analysis of Shrinkage Creep of Arbitrary Cross-Section Eccentrically-Compressed Members Considering Construction Process

Deng Zhi-heng Qin Rong Wang Xiao-yan(Civil Engineering College, Guangxi Univ., Nanning 530004, Guangxi, China)  
The formulas to calculate the shrinkage creep of arbitrary cross-section eccent rically-compressed members were deduced in this paper, during which, besides th e process of construction, the influences of the axial force variation, the conc rete elasticity modulus variation and the change of circumstance and the reinfor cement ratio on the stress redistribution in the cross-section were considered, and the median coefficients of concrete creep and concrete elastic modulus were employed. The track test of the shrinkage creep in an actual project was then c arried out. The results indicate that there is great difference between the calc ulated results with and without considering the construction process, that the t heoretically calculated results accord well with the practical ones, and that th e proposed calculation formulas are in good agreement with the practical bearing model, thus providing references to the design of actual projects.
【Fund】: 国家自然科学基金资助项目 (5 0 0 6 811) ;; 广西自然科学基金资助项目 (0 135 0 4 9)
【CateGory Index】: TU375
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