第8期 王学滨：不同强度岩石的破坏过程及声发射数值模拟 839 (a)4000 (b)6000 (c)8000 (d④10000 (e12000 (f)16000 (g)20000 h)24000 14r(i) 150 1.2 1.0 084 30 0.6 20 0.4 0.2 2 5 0 轴向应变/103 图2方案1（初始内摩擦角为38.77°）的破坏过程、应一应变曲线及每10个时间步内破坏单元数目一应变曲线 Fig-2 Failure process,stress strain curve and number of failed elements per 10 time steps strain curve of Scheme 1 (the initial internal friction an- ge=38.77 (a)4000 (b)6000 (C)8000 (d④10000 (©)12000 (f)16000 (8)20000 h)24000 14(6) 750 1.2- 40 1.0 08 30 0.6 0.4 10 0.2 2 3 轴向应变105 图3方案2（初始内摩擦角为41.38°）的破环过程，应力应变曲线及每10个时间步内破坏单元数目一应变曲线 Fig.3 Failure process,stress strain curve and number of failed elements per 10 time steps strain curve of Scheme 2(the initial internal friction an gle=41.38°)图2 方案1（初始内摩擦角为38∙77°）的破坏过程、应力－应变曲线及每10个时间步内破坏单元数目－应变曲线 Fig．2 Failure process‚stress-strain curve and number of failed elements per10time steps-strain curve of Scheme1（the initial internal friction an￾gle＝38∙77°） 图3 方案2（初始内摩擦角为41∙38°）的破坏过程、应力－应变曲线及每10个时间步内破坏单元数目－应变曲线 Fig．3 Failure process‚stress-strain curve and number of failed elements per10time steps-strain curve of Scheme2（the initial internal friction an￾gle＝41∙38°） 第8期 王学滨： 不同强度岩石的破坏过程及声发射数值模拟 ·839·