Table 2: Double pits stress concentration factor of steel (calculated).

Category Center distance ratioOuter edgesPits bottomJunction
AverageAverage

Single pit01.101.091.091.751.75
Double pits11.561.491.522.042.042.042.172.17
1.51.581.561.572.192.142.172.562.56
21.401.371.392.012.022.022.522.52
31.361.311.341.851.921.891.181.89