RESEARCH ON THE STRESS-STRAIN CURVE OF SFRC BEAMS UNDER 4-POINT BENDING

摘要：

A method is introduced in this article by which we can successfully transform the experimental load-deflection curve of a 4-point bending beam to the corresponding stress-strain curve. In addition, according to the Weibull statistical distribution and phenomenological method, and starting from the study of damage, a damage constitutive model of SFRC under single direction loading is proposed. The model depends only on the elastic modulus and the peak stress and peak strain of specimens, and then the constitutive equation and damage evolution equation are obtained.

关键词： Steel fiber reinforced concrete damage constitutive model damage evolution transformation

作者: Run-nian YANG De-min WEI

作者单位: Key Lab.of Sub-tropic Architecture Ministry of Education, Dept of Civil Engineering, South China University of Technology, Guangzhou, China

会议类型: 国际会议

会议名称: The 3rd International Conference on The Concrete Future(第三届混凝土未来国际会议)

会议地点: 烟台

会议语种:英文

页码: 455-461

在线出版日期: 2008-10-17（万方平台首次上网日期，不代表论文的发表时间）