单向受限应力下镐型截齿破岩特性及其影响因素分析
唐宇,王少锋

Analysis on Rock Breakage Characteristic and Its Influence Factors of Conical Pick Under Uniaxial Confining Stress
Yu TANG,Shaofeng WANG
表1 岩样力学性质
Table 1 Mechanical properties of rocks
岩石样本单轴抗压强度σc/MPa单轴抗拉强度σt/MPa脆性指数B1脆性指数B2
花岗岩126.247.5616.6980.887
大理岩129.226.1820.9090.909
红砂岩97.795.3118.4160.897
磷矿石106.215.2420.2690.906