本文在研究发震断层上覆土层中含有软夹层的基础上，采用平面应变有限元法模拟了发震断层错动时，含有硬夹层的上覆土层的破裂过程。
In this paper, we use the plain stain finite element method, simulate the rupture process of the overlaying soil with hard interlayer and analyze its failure states.
依据压裂曲线，利用破裂压力孔隙弹性计算模型，计算得到了在两个水平主应力方向的弹性应变量；
Basing on fractureing calculation model with pore elasticity theory, the elastic strain in horizontal direction has been determined with hydraulic fractureing curve.
给出了灰砂岩、石灰岩两种岩石动态的破裂强度与应力应变关系。
The dynamic strength and dynamic stress-strain curves for sandstone and limestone are given.
主破裂发生在应变及其梯度相对都较低的一个高应变梯度区。
Main fracture occurs in the high gradient area where the strain and gradient are relatively lower.
得到了基础筒壁破裂过程中筒壁应力-应变的变化规律，为烟囱基础的设计提供了理论依据。
A changing law of the stress-strain during cracking of the foundation wall is obtained, which provides a theoretical basis for the design of the chimney foundation.
准则表明最终的结构破裂取决于与临界损伤变量密切相关的断裂应变。
It is concluded that the final collapse of the structure is decided by the rupture strain that is deduced from the critical damage variable.
流体相促进位错滑移与攀移，并加速应变颗粒的恢复作用，以协调破裂过程。
Fluid enhances dislocation glide and climb, increases the rate of recovery of strained grains and accommodates the fracturing.
根据岩石的破裂机理，本文提出了在单轴压力下的全应力应变关系的微观破裂模型。
According to cracking mechanism of rock, this article presents a model of complete stress-strain under uniaxial compress in minute cracking.
地震破裂动态应变场的计算为将来实现地震动态库仑破裂应力场的计算奠定了基础。
The calculation of the dynamic strain field caused by the seismic rupture lays a foundation for the calculation of seismic dynamic Coulomb failure stress field in the future.
摘要随着煤矿开采的逐渐加深，深部高应力巷道围岩表现出典型的应变软化、破裂膨胀及流变特征。
Abstract: With the coal mine excavated deeper gradually, strain softening, swelling fracture and rheology of the rock appear around deep and high stress underground roadways.
最大破裂位移仅随应变速率敏感系数的增大而增大，而与压头速度和粘度的大小无关。
Maximal crack displacement increases with the increase of strain rate sensitivity, and is independent on punch velocity and viscosity.
本文的实验发现，应变速率是影响粘滑复发间隔，应力降以及主破裂的几何分布，破裂面的粗糙程度的关键因素。
We can conclude that the strain rate produce a great impact on stress and recurrence intervals of stick slip events and roughness and patterns of rock samples.
本文还根据不同应变率下试样破裂面的SEM实结果，初步分析了软岩动态学特性机理。
In addition, based on the SEM results, the mechanism of the strain rate effect of the soft rock is primarily analyzed.
该强度模型表明介质破坏是一个过程，反映了强度突变的应变率阈值效应与侧限压力下主破裂面上矿物颗粒团局部二次破坏的力学机制。
The model indicates that the failure of rock is a process in which there is a coupling between crack development and the slipping of cracked plane. The strain…
实验研究表明，变形导致的岩石微破裂会使岩石产生扩容(体积膨胀)和非线性变形。当差应力达到岩石的屈服应力时，扩容和非线性应变开始。
The experimental results showed that micro cracks resulted from rock deformation could lead to volume dilatation and non-linear deformation of rock.
实验研究表明，变形导致的岩石微破裂会使岩石产生扩容(体积膨胀)和非线性变形。当差应力达到岩石的屈服应力时，扩容和非线性应变开始。
The experimental results showed that micro cracks resulted from rock deformation could lead to volume dilatation and non-linear deformation of rock.
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