End constraint has an influence on distribution of stress in rock specimen, failure pattern and pattern of shear zone.
试件端面效应直接影响试件内的应力分布、试件破坏形式和剪切带图案。
The homogeneous solution of the differential equation for the shear lag was taken as the displacement pattern of finite segment.
取控制微分方程的齐次解作为梁段的有限元位移模式。
Three-dimension pattern of shear bands was investigated using atom force microscopy(AFM).
用原子力显微镜（AFM）研究了剪切带的三维形貌。
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