Study on Fatigue Property of Cracked Steel Plate Strengthened by CFRP

被引：1
|
作者：
Wu, Xi-Zhi [1 ,2 ]
Yang, Wei-Kang [3 ]
Zang, Xian-Guo [1 ]
机构：
[1] Cent South Univ Forestry & Technol, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China
[2] Yihua Life Sci & Technol Co Ltd, Shantou 515000, Guangdong, Peoples R China
[3] Guangzhou Automobile Grp Co Ltd, Res & Design Ctr, Guangzhou 510000, Guangdong, Peoples R China
来源：
1ST INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL ENGINEERING AND MATERIALS (ACEM1) AND 1ST WORLD SYMPOSIUM ON SUSTAINABLE BIO-COMPOSITE MATERIALS AND STRUCTURES (SBMS1) | 2019年 / 275卷
基金：
中国国家自然科学基金;
关键词：
Composite materials; Crack; CFRP; Fatigue; Repair; BEAMS;
D O I：
10.1051/matecconf/201927502014
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents fatigue property of CFRP-strengthened cracked steel plate. Firstly, the finite element model of CFRP-strengthened cracked steel plate is established by using the cohesive zone model. With the finite element model, stress intensity factor of the crack-tip is calculated. Then, it gives the fatigue tests of cracked steel plate. According to the experimental data, the material constants C and n values are obtained. The prediction fatigue life is calculated by the finite element model and Paris function and verified by the experimental data. The results show that the prediction fatigue life, calculated by the finite element model and the Paris formula, is consistent with the experimental fatigue life, which verifies the accuracy of our prediction model with fmite element model and the Paris function.
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收藏
页数：11
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