Theoretical results show that indenter shape affects theelastic stress fields and the fracture fields in the indented rock obvious-ly, and accord with the experiments on rock fragmentation.

• 理论分析表明,压头形状不同,在岩石中所引起的应力场和径向开裂范围明显不同,这与压头形状对侵入破碎效果有显著影响的实验结果吻合。