Load sequence
Load level (Mpa) Load level (Mpa) Load level (Mpa)
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
High-Low 352-320 352-320 352-320 50000 0.443 0.443 130510 130510 0.405
352-303 352-303 352-303 50000 0.443 0.443 205040 205040 0.349
Low-High 320-352 320-352 320-352 110000 0.341 0.341 82830 82830 0.734
303-352 303-352 303-352 160000 0.272 0.272 116650 116650 1.030
Miner rule Miner rule K-R model Zhu model Zhu model Zhu model Li model Li model Proposed model Proposed model