rock failure

prediction analysis of rock failure by non-linear dynamics

岩石失稳的非线性动力学预测分析

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It shows that the gripper pads pressure will cause the shearing and tension failure of the weak rock mass.

分析结果表明，支撑压力作用下围岩的破坏形式主要为剪切破坏和拉裂破坏。

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Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.

通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。

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By discussing the form of new rock micro-unit strength based on Mohr-Coulomb criterion, which satisfies Weibull random distribution, a statistical damage softening constitutive model reflecting the full process of rock failure was developed based on the stress-strain curve of tri-axial tests for rocks.

从探讨基于Mohr-Coulomb准则的新的岩石微元强度表示方法及其服从Weibull随机分布的特点出发，基于岩石三轴应力应变试验曲线，建立了反映岩石破裂全过程的损伤软化统计本构模型。

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The tensile strength of rock is the ability to resist tensile stress in the rock specimen as a role of external load and ultimate load in the tensile failure of rock specimen with pull-sectional area.

岩石抗拉强度是指岩石试件在外荷载的作用下抵抗抗拉应力的能力，为岩石试件在拉伸破坏时的极限荷载与受拉截面面积的比值。

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The variation of microwave radiation energy can be measured by microwave remote sensor on satellite. The obviously anomalous information of microwave radiation before rock failure was also discovered by experiments.

微波辐射能量的变化能够被卫星微波遥感探测器探测到.实验还发现，岩石试件临破裂前出现明显的微波辐射异常。

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Overview of Toppling Failure Mechanism of Countertendency Layered Rock Slopes

反倾层状岩质边坡倾倒变形破坏机理综述

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Rock failure mechanism and true triaxial experimental study of specimens with single structural plane under three-dimensional stress

三向应力状态下单结构面岩石试样破坏机制与真三轴试验研究

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According to a point of view of energy distribution, authors present that rock failure is a process by which rock specimen stores and releases energy before and after rupture.

作者从能量分配的观点，认为岩石在破坏前后是一个能量储存与释放的全过程。

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Rock failure can also be seen as a process of their internal structure surface formation and reconstruction, the micro-crack initiate, macro-crack formate, structure surface slide along the contact surface in this process.

岩石破坏过程也可看成是其内部结构面形成、重构的过程，在这个过程中，微裂纹萌生、宏观裂纹形成、结构面贯通及沿接触面滑移等现象交织在一起。

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The influence of unloading confining-pressure on the failure Modes of Pillar was researched using Rock Failure Process Analysis ( RFPA2D) developed by Northeastern University.

利用东北大学岩石破裂过程分析系统（RFPA2D），研究了围压卸荷对矿柱破坏模式的影响。

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Deformation and failure process of argillaceous limestone are resulted from weakness of rock mechanical property caused by weathering and from loose structure caused by gravitational bend; and finally, the whole structure of rock mass is entirely collapsed.

巴东组第3段泥质灰岩边坡的变形破坏过程是由于风化引起岩石力学性质弱化和重力变形导致岩体结构松动，直至整体结构崩溃的复合过程。

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Study on the characteristics of rock failure strain and acoustic emission field for two parallelling faults with the same slip direction including asperities

含障碍体滑动方向相同平行断层失稳破坏应变场、声发射分布特征的研究

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The basic slope failure pattern of tension fissure-circular surface slip-plane failure is obtained for study of slope failure of flat rock strata by use of double bottom friction model by which the difference in strength of various rocks can be reflected.

采用双层底面摩擦模型，研究近水平岩层边坡破坏模式，能体现出不同岩体在强度上的差异，得到近水平岩层边坡破坏为张裂缝圆弧面平面的边坡滑动破坏的基本模式。

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numerical simulation of lca model in rock failure mechanisms

岩石破坏机理的LCA模型数值模拟

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Study on quiet period and its fractal characteristics of rock failure acoustic emission

岩石破坏声发射平静期及其分形特征研究

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The Y value of acoustic emission load/ unload ratio descend to 1 when rock reach final elastic deformation can be seen as precursory characteristic for rock failure.

声发射数加卸载响应比在岩石弹性变形阶段后期下降到1，可以作为岩石失稳破坏的前兆。

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Rock failure induced by thermal stress is called thermal cracking. It is the result of thermal and mechanical coupling.

热应力引起的岩石破裂称为岩石的热破裂，它是热和力之间相互耦合作用的结果。

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By analyzing rock failure experiment with patches of the opposite slip direction of the parallel faults through the spatial and temporal evolution images of strain field, rock failure process and mode are studied.

通过对滑动方向相反的含障碍体平行断层失稳破坏岩石破裂实验的应变场时空分布特征的分析，探讨了岩石破坏过程和破坏方式。

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A Review on Rock Failure Mechanism and Engineering Control Methods in Deep Mining

深井开采岩体破坏机理及工程控制方法综述

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