...多重剪切带；围压 ； 端面约束 ； 试件高度 ； 界面特性 [gap=1470]Key words: shear strain localization; multiple shear bands; confining pressure; end constraint; height of specimen; properties of ..
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The conditions, under which the multiple shear bands tend to form, were discussed.
探讨了倾向于出现剪切带网络的若干条件。
As end constraint is strong and confining pressure exists, the multiple shear bands appear in the center of specimen.
若端面缚束较强且存在一定的侧压力，试件中部出现多重剪切带。
Secondly, the FLAC 3D was used to simulate planar multiple shear bands and friction angle and cohesion force were dependent on plastic strain.
之后采用FLAC 3D对平面剪切带网络进行了数值模拟，其中摩擦角及内聚力为应变软化。
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