rock pressure

Confining pressure increase rock strength , decrease damages rate of rock creep.

在热力学框架内推导了岩石材料的蠕变损伤本构关系.

By means of numerical simulation and in-situ test, this article research on distribution rule of surrounding rock pressure and contact pressure and safety evaluation and design optimization of secondary linings.

本文通过现场试验并结合数值模拟研究的方法，对围岩压力和接触压力的分布规律以及二次衬砌安全性评价和优化设计作了初探。

Rock pore pressure and fracture pore pressure will fall in recovery process. The rock mass shrinks.

油田在采油过程中使岩石孔隙压力和裂缝孔隙压力下降, 岩体收缩,导致岩石中应力变化.

Testing results indicate that the threshold pressure of jet aided drilling is 4.1 times of rock tensile strength and 26% of rock compressive resistance, also related with the bottom hole pressure difference and rock physical properties.

实验结果表明，射流辅助钻井的门限压力是岩石抗拉强度的4.1倍，是抗压强度的26%；还与井底压差及其它岩石物理力学性质有关。

The forth Symposium on Tectonophysics and the second symposium on high temperature and high pressure rock mechanics held in Beijing

第四届构造物理讨论会暨第二届高温高压岩石力学讨论会在京举行

Experimental Research on the Surrounding Rock Pressure of Large Sectional Loess Tunnel under Deep and Shallow Submersion

大断面深浅埋黄土隧道围岩压力试验研究

Numerical Analysis for Porous Pressure of Underground Water and Thermal Stress of Rock Slope in Open Pit Mine

露天矿岩石边坡孔隙水压及热应力数值分析

A general program using APDL ( ANSYS parametric design language), which is applicable to arbitrary lining sections of the three-centered circular arch with different surrounding rock pressure distributions, was developed for the calculation of the tunnel inner forces and eccentricities.

利用ANSYS的参数化高级设计语言，编制了适合任意三心圆拱衬砌断面和不同围岩压力分布形式的隧道衬砌内力和偏心距的通用计算程序。

In Fully Mechanized Caving, the motion of the cover roof and its rock pressure phenomenon is comparatively violent for the greatly thickness extracted of coal seam in one time.

综放开采法一次采出厚度大，工作面顶板运动及其矿压显现也相对剧烈。

When the pressure reaches the breaking pressure, along the direction of the arrangement hole, the Y-direction tensile stress exceeds the tensile strength of the rock, so rock fracture.

当压力达到破坏压力时，模型沿布置孔的方向的Y方向拉应力超过了岩石的抗拉强度，岩石破裂。

This paper deals with laboratory investigation into Permeability of intact rock, natural facture rock under lower pressure ( maximum test pressure is 20MPa).

本文介绍了在低压下（最大压力20MPa）对完整岩石和含自然裂面岩石渗透率的实验研究。

The Advance on Acoustic Wave Technique and its Application to Rock Pressure Measurement

声波技术的进展及其在矿山压力测试中的应用

The mining similar simulation experiment is one of the main method of rock pressure researches.

采矿相似材料模拟试验是研究矿山压力的主要方法与手段之一.

Rock pressure feature of stope of longwall caving method along dip in fully mechanized mining

倾斜长壁综采放顶煤采场矿压特点综放采场瓦斯运移的计算机模拟

Experimental study on the uneven rock pressure and its distribution applied on a tunnel embedded in geologically bedding strata

地质顺层偏压隧道围岩压力及其分布特点的试验研究

The rock pressure law and support loading character at height output, height efficiency work face in the thin and medium-thickness seam

中厚煤层高产高效综采面矿压规律及支架承载特征

The caving of thick and strong roof stratum, key stratum, causes tremendous rock pressure in mine.

采场上覆岩层中的厚硬岩层, 即厚硬关键层, 其冒落会造成剧烈的矿山压力显现.

A Study on Rock Pressure of Ascending Order in Mining Adjacent Gypsum Seams with Long Wall Picking Fill

近距离石膏矿层长壁充填法上行开采的矿压研究

In-situ test of fractured rock mass with high pressure seepage in dam foundation

坝基破碎岩体高压渗透变形原位试验

And based on the rock pressure theory, applying the ANSYS software and engineering examples, the excavation procedure of the top heading of the underground powerhouses is studied, and the recommendable project of the top-heading excavation is made.

并且基于M.M.普罗托奇雅科洛夫（普氏）的山岩压力理论，并利用有限元计算软件ANSYS和工程实例，研究了厂房顶拱层的开挖程序问题，给出了顶拱开挖方法的推荐方案。

A brief message of the Fourth Symposium of Tectonophysics of China and the second symposium of high-pressure and high-temparature rock mechanics of China

第四届全国构造物理学、第二届全国高温高压岩石力学学术讨论会简讯

The Test Study of the Surrounding Rock Pressure Acting on the Composite Lining in Weak Rock of Nanling Double Track Railway Tunnel

南岭双线铁路隧道软岩复合式衬砌围岩压力的试验研究

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。

Accoording to the result on observation of rock pressure, adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。