The characteristics of damage occurred in the specimens was analyzed by comparing the final deformation patterns of specimens and failure patterns of core concrete.
通过对比试件最终变形形态及核心混凝土的破坏形态，分析试件发生破坏的特征。
Based on the damage mechanics and metallography analysis, the characteristics of plastics damage of steel wire under high strain deformation were researched.
根据损伤力学的基本原理，利用测量弹性模量和观察金相的方法，研究了在拉拔应力状态下，随变形量的不断增大，材料的损伤特性。
The declining and the function-losing, damage and softening, are the mechanical characteristics of rock bolts in roadways with large deformation.
论述了锚杆阻力下降和失效是大变形巷道锚杆支护所具有的基本规律。
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