The shear displacement for the dilatation is always less than that at the peak shear stress.
剪应力达到峰值所需要剪位移总是比剪胀发生时所需的剪位移大。
A theoretical analysis of localized strain and strain rate in shear band after localization occurs beyond the peak shear stress is carried out based on the strain gradient plasticity theory.
应用应变梯度塑性理论对局部化剪切带内部(塑性)剪应变(率)规律进行了理论分析。
The clearance sites had influence not on the peak values of shear stress, peel stress and equivalent stress, but on the occurrence point of those items.
间隙的位置对剪切应力、剥离应力及等值应力峰值的影响不大，而对其出现的位置有着极大的影响；
Under plane strain condition, the strain localization starts around the peak stress state; and a V-shaped shear band is formed at the residual stress state.
在平面应变压缩条件下，砂土在峰值应力状态附近出现应变局部化现象，在残余状态最终形成一条V型剪切带。
The results show that there is a negative relationship between peak shear displacement and joint roughness but a positive relationship between peak shear displacement and normal stress.
建立了考虑节理粗糙度与法向应力的节理峰值剪切位移计算新公式。
The stress - strain relationship of soil estabished from shear tests is distinguished into two kinds-progressive hardening type and post-peak softening type.
将土的剪切试验测得的应力-应变关系分成逐渐硬化类型和峰值后软化类型，提出了可以统一表示这两种类型应力-应变关系的表达式。
The test results show that the peak and residual shear stresses increase linearly with the increase of different normal stress histories.
结果表明，岩石节理峰值和残余剪切应力随垂直应力的增加呈线性增长趋势，而剪胀特性已变得不明显。
The test results show that the peak and residual shear stresses increase linearly with the increase of different normal stress histories.
结果表明，岩石节理峰值和残余剪切应力随垂直应力的增加呈线性增长趋势，而剪胀特性已变得不明显。
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