Seismic porosity and seismic stress of rocks can be inverted with seismic and geological data based on the theory of two phase medium.
根据双相介质理论，使用地震、地质资料反演出地震孔隙率和岩石地震应力。
When enough stress builds to fracture the stuck rocks, the plates jump past each other, releasing energy in the form of earthquakes.
压力增大到一定程度会造成岩层碎裂，而板块弹起形成错位，地震发生并成为能量释放的一种形式。
The magnitude and timing of an earthquake depend on the size of the fault being ruptured, the stiffness of the rocks in question and the amount of stress that has accumulated in them.
地震的震级和发生时机，取决于断层破裂的范围，相关的岩石刚度以及其内部积聚的压力。
Up to now there has been few studies on deformation of quartz in ultra-high rocks and quartz-coesite phase transition at differential stress.
目前对超高压岩石中石英的变形以及在差应力条件下石英-柯石英的相变研究程度低。
Furthermore, the relationship among longitudinal wave velocity, peak stress and peak strain present different laws according to the types of rocks.
此外，峰值应力与纵波波速、峰值应变与纵波波速的关系依赖于不同的岩石而表现出不同的规律。
Tests aims to research on the coefficient of brittle stress drop of several brittle rocks such as marble, red sandstone and granite are performed.
分别对大理岩、红砂岩和花岗岩等几种脆性比较明显的岩石进行了应力脆性跌落系数的试验研究。
In some materials, including rocks, elastic behavior depends on the temperature and the duration of the stress as well as its intensity.
有些物质，包括岩石，其弹性性能取决于温度和应力的持续时间与强度。
This paper introduced the experimental method and main results of induced polarization effect observed before the rupture of the instable rocks under the action of compressional stress.
本文介绍了在压应力作用下观测岩石失稳破裂前激发极化效应的实验方法和主要结果。
Permeability of rock will change with the stress applied on, which is called the stress sensitivity of reservoir rocks.
油藏岩石的渗透率随应力变化的性质为岩石的应力敏感性。
By theoretical calculation, it is found that the same earth temperature gradient leads to the greater difference of temperature stress in different kind of rocks.
理论计算发现，相同的地温梯度在不同的岩石中引起的温度应力相差很大。
Deformation pattern of rocks in earth's crust is effected by tectonic stress, fluid pressure and gravity of the overlying strata.
地壳中岩石的变形模式受构造应力、流体压力和上覆岩层重力共同作用的影响。
This article has made an photoelastic study of the influences of geological structure on the stress distribution of wall rocks and an estimate of the rational range of reinforcement.
本文介绍了用光弹法讲究地质构造对洞室应力分布的影响，预估围岩的合理加固范围。
Studying the variety laws of the plastic failure, distortion and stress of soft and hard rocks alternate-layered roof with the constant vertical stress only the horizontal stress changing.
在垂直应力不变，不断改变水平应力的条件下，分析各类软硬岩互层项板的应力、变形、破坏规律。
With the aid of data thus made available, a stress distribution in the surrounding rocks under investigation is obtained.
根据测定结果，给出了沿空保留的611区段平巷围岩应力分布；
The stress on the surrounding rocks affects severely the stability of tunnel. To estimate the stability of tunnel needs the transformation tendency of the stress on the surrounding rocks.
围岩应力是影响隧道稳定性的根本因素，掌握隧道围岩应力的变化发展趋势，是准确判断隧道稳定性的前提。
There are many factors which can influence the stress of surrounding rocks. Broken zone is a very important factor.
围岩应力受诸多因素的影响，松动圈是重要的影响因素之一。
The Overburden of tunnel construction is increasing recently. Rocks in the depths have high strength and high stress condition.
隧道工程开挖深度有逐渐增加的趋势，深部岩石具高强度及高应力环境。
Tectonic stress can cause the deformation of rocks as well as the change of fluid pressure in the pore of rocks forming anomaly tectonic fluid pressure.
构造应力场引起岩石变形，并使孔隙流体压力发生变化，形成异常流体压力。
The phenomenon of stiffness deterioration (progressive damage) beyond the peak stress has been observed in cyclic loading tests of coals, rocks, concretes, soils and sands.
峰后的刚度劣化现象(渐进损伤)在多种煤、岩石、混凝土、土和砂子的循环加载实验中已被观察到。
By matrix transformation, the solutions of surrounding rocks disturbance stress, strain and displacement are obtained.
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。
There is stress concentration near borehole wall, where rocks drillability gets worse. It is explained that the side of PDC bits is easy to be damaged.
靠近井壁区域存在应力集中现象，岩石可钻性变差，这是PDC钻头外侧易损坏的原因。
Factors that can affect quartz CPO include temperature, strain rate, strain, differential stress, content of water, interaction among minerals in polymineralic rocks, and initial orientation.
影响变形石英结晶学优选的因素有温度、应变速率、应变、差应力、水、复矿物岩石中各种矿物间的相互作用、初始结晶学方向等。
The paper also presents the process of orebody caving and associated rock mass fracturing, stress altering, and response of surrounding rocks.
同时，还给出具体工程崩落开采过程中的破坏形态、应力变化、围岩响应等。
The basic control factors to the regular evolution of the structural style are geo-tectonic environment, basement nature, stress state, physical nature of rocks and stage of tectonic evolution.
控制柴达木盆地构造样式规律性的主要因素是区域构造环境、盆地基底性质、应力作用方式和岩石力学性质等。
Through constitution of PM space density function, the stress-strain state equation for saturated rocks has been defined and the hysteresis loops of axial stress-radial stress has been simulated.
通过构筑PM空间密度函数，求出饱和岩石的应力—应变状态方程，并模拟了其轴向应变—径向应变滞后回线。
Stress concentration occurs in surrounding rocks, while the maximum tension stress is less than the tensile strength of rock mass, so tensile crack does not take place.
动荷载作用下地下硐室群围岩出现较大的应力集中，但最大拉应力小于岩体的抗拉强度，地下硐室群围岩不会出现拉裂破坏。
The Conditions of in situ rock-burst were probed into from rocks, rock mass structure, in-situ stress, hydrological conditions, engineering design and construction factors.
从岩石、岩体构造、原岩应力、水文地质条件、工程设计和施工因素以及围岩应力等六个方面论述和探讨了现场岩爆发生的条件。
On the process of tunnel excavation in high geo-stress zone, surrounding rocks will have dynamic drift.
高地应力下的隧洞开挖过程中，围岩将产生动态的变化。
On this basis, a discussion on the relation between dilatancy and the parameters of faults, stress fields and physical properties of rocks was made.
以此为基础，讨论断层参数、应力场参数和岩石物理力学特性参数与膨张现象间的关系。
On this basis, a discussion on the relation between dilatancy and the parameters of faults, stress fields and physical properties of rocks was made.
以此为基础，讨论断层参数、应力场参数和岩石物理力学特性参数与膨张现象间的关系。
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