A Correction for the Prediction Model of Concrete Creep Involving Different Stress Levels
CHEN Bangshang1, CHEN Song2, WANG Yan3, NING Cong4
1 Chongqing Water Resources and Electric Engineering College, Chongqing 402160; 2 China Construction Water and Environmental Protection Co,Ltd, Shenzhen 518118; 3 Chongqing Tongwang Water Conservancy and Hydropower Engineering Design Co,Ltd, Chongqing 401120; 4 School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074
Abstract: In order to carry out the research on the modification of concrete creep prediction model, the creep test and numerical simulation of concrete under different stress levels were carried out. Through numerical simulation, the creep characteristics of concrete under tensile and compressive stress, cyclic stress and biaxial stress were studied. For the low accuracy of the creep prediction model CEB/FIP 1990, the useful creep coefficient correction value was given based on creep characteristics of concrete under different stress levels. The results show that the numerical simulation method in this paper provides a new idea for the modification of concrete creep prediction model.
陈邦尚, 陈松, 王岩, 宁聪. 考虑不同应力水平影响的混凝土徐变预测模型修正[J]. 《材料导报》期刊社, 2017, 31(12): 149-153.
CHEN Bangshang, CHEN Song, WANG Yan, NING Cong. A Correction for the Prediction Model of Concrete Creep Involving Different Stress Levels. Materials Reports, 2017, 31(12): 149-153.
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2017, Vol. 31 
