摘要
损伤模型明确反映了岩石应变率效应及岩石动载破坏的“脆断”和“灾变”特性，并为岩石爆破破碎区的确定和爆破块度预测提供了直接而可行的判据。本文系统介绍了岩石爆破损伤模型的研究进展及成果，指出了其工程应用前景。
The effect of strain rate and property of 'brittle fracture'and 'catastrophicfailure'of rock material under blasting loading can be revealed with a damage model. Thefracture criterion and the fragmentation estimation of blasting can be determined directlywith the damage model. This paper systematically introduces the research progress andachievement on the damage models and points out the prospect of engineering application.
出处
《工程爆破》
1999年第4期78-84,共7页
Engineering Blasting
关键词
岩石爆破
破碎机理
断裂力学
损伤模型
Rock blasting Fragmentation Fracture mechanics Damage model
