...： 剪切应变局部化；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; ..
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Firstly, dissipated energies induced by axial and lateral plastic deformations due to shear strain localization initiated at peak strength in strain softening stage is analyzed.
首先，由于在应变软化阶段的峰值强度的剪切应变局部化启动的纵向和横向的塑性变形引起的耗散能进行了分析。
The approach is based on the assumption that necking mode can be modeled under plane stress conditions and shear localization can be modeled under plane strain conditions.
这种方法是以一种假设为基础的，即可以在平面应力条件下仿照缩颈模式和在平面应变条件下仿照剪切定位，材料是用弹、粘塑性物质构成的仿制品。
The location of shear strain rate localization coincides in position with the location of volumetric strain rate, which is the actual failure zone of rock.
剪切应变率（或应变）局部化区域与体积应变率（或应变）的位置重合，局部化区域就是岩样最终的破坏位置。
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