Type Load sequence Load sequence Load level(Mpa) Load level(Mpa) Load level(Mpa) Experimental Experimental Experimental Experimental Experimental Experimental
Butt joints High-Low High-Low High-Low 104-74 104-74 109900 109900 0.2 797600 797600 0.52
89-74 89-74 176100 176100 0.2 1029200 1029200 0.67
Low-High Low-High Low-High 74-89 74-89 770100 770100 0.5 545600 545600 0.62
74-104 74-104 770100 770100 0.5 418900 418900 0.76
Angle joints High-Low High-Low High-Low 93-73 93-73 309900 309900 0.5 587500 587500 0.38
83-73 83-73 476100 476100 0.5 681100 681100 0.44
Low-High Low-High Low-High 73-83 73-83 509200 509200 0.33 708200 708200 0.74
73-93 73-93 773000 773000 0.5 426400 426400 0.69
Miner rule Miner rule K-R model K-R model K-R model Zhu model Zhu model Li model Li model Li model Proposed model Proposed model