摘要
本文对岩石三点弯曲试样的切口曲率半径与其断裂韧度 K_(Ic)值间的关系进行了详细的实验研究及理论分析.对岩石 K_(Ic)测试中切口的选择提出了建议方法.
The relation between rock fracture toughness K_(Ic) and notch root radius in studied experimentally.Suggestions about how to choose the size of notch in a rock speci- men used for determing K_(Ic)are proposed.
出处
《实验力学》
CSCD
北大核心
1993年第1期92-95,共4页
Journal of Experimental Mechanics
关键词
断裂韧度
切口曲率半径
岩石
fracturc toughness
notch root radius
stress concentration
