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1)  vertical stress ratio
垂直应力比
1.
The relation among the coefficients , the vertical stress ratio (the ratio of the normal stress on the discontinuous plane to the uniaxial compression strength of the material), the undulation angle i and the shear area of the discontinuous plane are analysed.
根据系数A,B的物理意义,分析了它们与垂直应力比(作用在不连续面上的正应力与材料的单轴抗压强度的比值)、不连续面的起伏角i以及不连续面的剪切面积之间的关系。
2)  vertical geostress
垂直地应力
1.
By analyzing the effects of initial vertical geostress on plastic zone radius of circular underground tunnel,displacement changes in plastic and elastic zones of surrounding rock and bolt stress distribution mode,it is revealed that the initial vertical geostress is very important for reinforcement effect.
通过分析原始垂直地应力对圆形地下洞室塑性区半径、围岩体塑性区和弹性区内岩体的位移变化以及对锚杆应力分布的影响,揭示原始垂直地应力对锚杆锚固效果的影响。
3)  vertical stress
围岩垂直应力
1.
Experimental study on vertical stress of surrounding rock with equivalent material model;
相似材料模型实验中围岩垂直应力测试的实验研究
4)  vertical effective stress
垂直有效应力
1.
It first calculates clay content,porosity,and acoustic velocity with relevant log data,and then calculates vertical effective stress by using Support Vector Machines for Regression and the overburden pressure with density log data,and finally calculate formation pore pressure by the effective pressure theore.
由相关测井资料计算泥质含量、孔隙度和声波速度,通过支撑向量回归机计算垂直有效应力,密度测井资料计算上覆岩层压力,最后根据有效应力定理计算地层孔隙压力。
2.
The variation of the factors that influence the test results as well as the declination of vertical effective stress with depth are analysed.
分析了影响试验数据的各种因素的变化 ,以及在这些因素作用下垂直有效应力沿深度方向的衰减规律。
3.
What deserves to be noticed is that declination of vertical effective stress in the e.
值得注意的是,试验中垂直有效应力的衰减规律和理论之间存在一定的差异。
5)  Vertical applied stress
垂直附加应力
6)  vertical force induction variometer
垂直感应磁力仪
补充资料:应力比A
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性质:一个应力周期中,应力振幅Sa与平均应力Sm之比,A=Sa/Sm。是设计疲劳试验的加载应力形式的一个参数。疲劳试验中试样的破坏形式比较复杂,和所加交变应力的大小、形式等都有密切关系,且与材料本身的性质而异。因此,在报告某材料的疲劳强度时往往要同时列出这些条件性参数。

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