National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51478050, 51778068]; state key development program for basic research of ChinaState Key Development Program for Basic Research of China [2015CB057705]; Natural Science Foundation for Excellent Young Scholars of Hunan Province [2019JJ30024]; Training Program for Excellent Young Innovators of Changsha [kq1802012]; Key Disciplinary of Civil Engineering of Changsha University of Science and Technology [18ZDXK08]; Hunan Provincial Innovation Foundation for Postgraduate [20186524]; Open Research Fund of Science and Technology Innovation Platform of Hunan Bridge Engineering Safety Control Technology and Equipment Engineering Research Center of CSUST [18KC03]
机构署名：
本校为第一且通讯机构
院系归属：
土木工程学院
摘要：
Huge uncertainty exists in the corrosion process, and the dimensions of corrosion pits are quite random in practical engineering. Corrosion pit-induced stress concentration accelerates the initiation of fatigue cracks, ultimately reducing the fatigue life of bridge sling. This paper proposes a critical region method to predict the fatigue life of notched steel wires. This method considers the critical distance and the average stress amplitude of notched specimen. Fatigue loading tests on various notched steel wires are performed to simulate the...
