实验中通过在剪切方向上叠加正弦波状的位移扰动,研究了剪应力扰动对断层粘滑失稳的影响。
In the experiments, a small-amplitude sine wave of displacement is modulated to shear loading to study the effects of shear stress perturbation on stick-slip instability.
考虑了弹塑性应力波传播对屈曲的影响,建立了该问题横向扰动方程。
The equation of lateral disturbance used to analyize the problem is developed by taking into account the effect of elastic-plastic stress wave.
扰动因子向量的方向与材料单元体应力主方向相同。
The orientation of disturbance factor vector is the same as that of vector of material unit stress.
给出一种解析方法求解在两种热载荷冲击作用下,正交各向异性圆柱体的动应力和磁场矢量扰动的集中效应。
The analytical expressions for the dynamic stresses and perturbation of magnetic field vector are obtained by means of a finite integral transform and Laplace transform.
在一定条件下,动力扰动可简化为平面应力波。
The dynamic disturbance can be simplified as plane stress wave under certain conditions.
采动围岩破裂范围和支承压力高应力分布范围取决于开采对岩层的扰动程度。
Ranges of fractured strata and high stress distribution of abutment pressure are all depend on the degree of mining disturbance on stope strata.
采用数值方法分析了复杂应力条件下动力扰动对深部岩体破坏模式的影响。
The mechanical response of deep rock pillar, which is under complicated stress condition and then subjected to dynamic disturbance, is numerically simulated.
对深部矿柱在承受高静载应力时的动力扰动力学模型进行应力波传播力学响应分析,采用FLAC3D有限差分程序对深部开采圆形矿柱进行高应力下动力扰动数值计算。
By using an explicit finite difference program FLAC3D, a model of numerical calculation is established for a deep mining pillar with dynamic disturbance under high stress.
本文采用一种新方法测量软弱岩体中的初始应力和扰动应力场。
A new method is presented to measure the in-situ stresses and disturbed stress field.
通过矩阵变换,得到隧道围岩体扰动应力、应变和位移的解答函数式。
By matrix transformation, the solutions of surrounding rocks disturbance stress, strain and displacement are obtained.
本文还探讨了底板岩层的应力分布和开采造成的底板岩层扰动范围。
Stress distribution of the floor rock mass and the range of disturbance in floor rock affected by mining are discussed.
深井软岩的应力状态接近于岩石强度极限状态,对外部扰动载荷十分敏感,为了研究这种高应力状态下岩石表现出的力学特性,提出了岩石流变扰动效应这一研究课题。
Stress of soft rock in deep mining is close to strength limit state, rock is sensitive to outer disturbed loading, research project was put forward in order to study rock rheology disturbed effects.
承受高静载应力的矿柱,较小的动力扰动可能会使其发生塑性破坏而导致深部开采时的“多米诺骨牌”效应。
Especially when the pillar is endured very high static stress, even a small dynamic disturbance may lead to its plastic destroying and result in a domino effect in the deep mining.
记录的电磁扰动是在应力场作用下,动电效应产生的电磁场。
The recorded electromagnetic disturbance is the electromagnetic field form the electrokinetic effect under action of the stress field.
这种施工过程中土体受到的原位施工扰动有别于现场取土、应力释放等引起的试样扰动;
The field disturbance during construction, such as the installing of vertical drain, was distinct from the sample disturbance.
本文主要研究隧道盾构掘进施工中周围受扰动土体应力状态和应变状态的变异,以及由土体应力状态和应变状态的改变引起土体力学性质变异的特性。
The variation of stress state and strain state induced by tunnel shield driving in soils is studied, and the variation of soil mechanical properties is studied too in this paper.
解决工程问题时,可以选择简单的参考状态,并用拟合岩石单轴受压的全过程应力应变关系曲线确定扰动因子的参数。
Simple reference states can be used to solve engineering problem. Through simulating the overall curvature of rock's stress-strain relationship under uniaxial compression, parameters are attained.
通过改变扰动应力波峰值的大小,来考察动力扰动强度的变化对承受高应力矿柱稳定性的影响。
And then the effect of disturbance intensity on the stability of highly-stressed pillars is reflected by changing the different peak value of the dynamic stress wave.
直线电机在执行重复性跟踪控制任务时,负载扰动、端部效应力及摩擦力会呈现周期性变化。
Load disturbance, end effect and friction likely appear periodically when a linear motor carrys out task repeatedly.
使用基于扰动应力场模型的非线性有限元程序VT2分析了4个深受弯简支梁的受力性能。
A nonlinear finite element analysis of 4 RC deep flexural simply supported beams with the program VT2 is presented.
试验验证表明:考虑扰动影响的弹塑性模型可以很好预测相应扰动状态下的砂土应力—应变—体变关系。
The test results show that the proposed model can well describe the strength-strain-volume change relations of sands at a given disturbed state.
试验验证表明:考虑扰动影响的弹塑性模型可以很好预测相应扰动状态下的砂土应力—应变—体变关系。
The test results show that the proposed model can well describe the strength-strain-volume change relations of sands at a given disturbed state.
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