According to the dividing line of peak value of stress/strain curve, lithofraction may be divided into two phases which the former develops embryo-fault and the latter forms macro-fault.

• 摘要以应力-应变曲线峰值为界，岩石破坏可分为2个阶段，前阶段发育为雏形断裂，后阶段发育成宏观断裂。