混凝土裂缝端部断裂过程区的粘聚力分布是导致混凝土断裂呈现非线性特性的重要原因。
Nonlinear fracture behaviors of concrete materials are mainly caused by the cohesive stress along the fracture process zone.
本文探索打开断裂过程区的黑匣子之更深层次的研究——即细观断裂力学与纳观断裂力学。
The present paper explores new and more profound approaches, namely microscopic and nanoscopic fracture mechanics, to unlock the black box of fracture process zones.
从微区观点，提出了疲劳过程包含五个阶段，并对其中疲劳强化、硬化和断裂问题作些新的解释。
From the micro-region view-point, the five stages of fatigue take place successively, and some new explanations for the fatigue hardening, softening and fracture are given.
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