岩块受单轴压缩的破坏变形特征分析  

Experimental Analysis about Breakage and Deformation Prope rties of Rock Specimen under Single Axis Compression

作　　者：余华[1] 徐思鹏[1] 

机构地区：[1]中国矿业大学,江苏徐州221008

出　　处：《江苏煤炭》2000年第4期9-11,共3页Jiangsu Coal

摘　　要：分析了两种岩块的单轴压缩实验破坏变形特性 ,并在此基础上 ,提出了用孔隙率变化来反映岩块的扩容情况 ,并讨论了孔隙率变化与应力之间的关系。The paper analyses mechanical properties of two different rock specime n under single axis compression.On the basis of analysis, the author points out that the ra te of breakage can reflect the variety of the volume of rock, and discusses the relation between stress and the rate of breakage.

关 键 词：岩块 单轴压缩 孔隙率变化 破坏变形特征 应力 

分 类 号：TD31[矿业工程—矿井建设]