[1]School of Civil Engineering,Southwest Jiaotong University,Chengdu610031,China;
[1]School of Civil Engineering,Southwest Jiaotong University,Chengdu610031,China;
[1]School of Civil Engineering,Southwest Jiaotong University,Chengdu610031,China;
[1]School of Civil Engineering,Southwest Jiaotong University,Chengdu610031,China;
[1]School of Civil Engineering,Southwest Jiaotong University,Chengdu610031,China;
[1]School of Civil Engineering,Southwest Jiaotong University,Chengdu610031,China;
Steel; bridge; Optimized; welded; detail; Fatigue; performance; Fatigue; experiment; Stress; concentration; coefficient; (SCC); Cope; hole; Plate; thickness; Initial; geometric; imperfection;