The rock mass strength under load at determined bridge foundation position is checked with strength criterion to determine the reasonable position of the bridge foundation.
用岩体强度准则对桥基位置下岩坡岩体强度进行校核，最终确定桥基合理位置。
The deterioration of rock mass strength and the hydraulic effect caused by water-rock interaction have been well known as the two factors that could weaken the stability of reservoir bank.
水-岩作用造成的岩土体强度劣化及水力学效应一直被认为是水库岸坡稳定性降低的两个因素。
Single discontinuity theory is used to analyze the change of rock mass strength with the discontinuity inclinations; and the relationship between them is set up to explain the compression results.
运用单弱面理论研究含单组结构面的板岩岩体抗压强度随结构面方位的变化情况，建立了相应的一维、三维抗压强度的变化规律。
Through the rock mass test, the linear relationship between critical load of the probe and its corresponding rock compressive strength is regressed.
通过岩块试验回归了探针的临界载荷和所对应的岩石单轴抗压强度之间的关系。
Theoretical analysis shows that the progressive failure of the surrounding rock of opening is mainly caused by strength attenuation and creep mass.
理论分析说明，巷道围岩的渐进破坏主要是岩体强度衰减和蠕变性质影响的结果。
The stability of the surrounding rock mass depends upon its strength and deformation properties as well as the situation of stress convergence in it, and the key is the integrality of the rock mass.
洞库围岩稳定性一方面取决于洞库周边围岩应力集中的情况，另一方面取决于岩体强度和变形特征，其核心问题在于岩体完整性。
It is thought that the strength of jointed rock masses lies between the strength of intact rock and the strength of rock mass with discontinuities, and is related to rock classification indices.
对于节理化岩体，由于认为强度介于完整岩石强度与结构面岩体强度之间，并与岩体的质量分类指标有关。
The formulas for obtaining strength and strain parameters of rock mass are described using modified index RMR of rock mass quality.
用修定的RMR岩体量化指数从给定公式中确定岩体强度和应变参数。
Study shows that: incised valley of the rock mass caused by unloading relaxation, caused by rainwater infiltration rock strength degradation is the formation of red layer a major factor in landslides.
研究表明：河谷下切引起的岩体卸荷松弛，雨水进渗导致的岩体强度衰减是导致红层滑坡形成的主要因素。
Rock mass is a discontinuous medium. The strength properties of rock mass and its structure plane are of certain peculiarity.
岩体是一种不连续介质，岩体及岩体结构面强度特性具有一定的特殊性。
Based on the viewpoints of rock fracture mechanics, compressive strength of rock mass controlled by discontinuities is discussed.
基于岩体断裂力学的观点，探讨基于结构面扩展的岩体抗压强度准则。
The numerical simulation and test results are in good agreement, which provide a new way for reasonable determination of the strength parameters of complex jointed rock mass in practical engineering.
数值模拟结果与试验测试数据较吻合，为实际工程中复杂节理岩体强度参数的合理确定提供了一条新的途径。
It can improve the strength and stability of ground, rock mass, and other structures.
通过锚杆的支护加固，岩土体的强度和稳定性能够得到显著的改善和提高。
The rock mass parameters have the implication of the matched strength indices of rock mass.
在岩体参数中已隐含着配套的岩体强度参数。
The primary factors affecting the landslide are the form of the convex free surface and the strength of the crack surfaces in the rock mass.
影响滑塌的主要因素是凸形临空面的形态及岩体裂隙面的强度。
It is important to judge reasonably the failure modes and their corresponding strength in the engineering analyses of rock mass.
在岩体工程分析中，合理地判别岩体的破坏模式及其相应的强度有着重要的意义。
In the case when the bedrock has a rather high compressive strength, the bearing capacity of rock inlaid grouting piles depends usually on the material strength of the pile mass.
当基岩抗压强度较高时，嵌岩灌注桩的承载力往往由桩身材料强度控制。
Shear strength value of rock mass of slope is one of the important geological factors affecting stability of slope.
边坡岩体抗剪强度参数是影响边坡稳定性的主要地质因素之一。
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 borehole penetrating method can rapidly and accurately test the uniaxial compressive strength (UCS) of coal and rock mass.
基于钻孔触探法原理，开发出小孔径井下煤岩体强度测定装置。
Result of the test indicate, shear strength of rock and soil mass improved with the increase of root content.
试验结果表明，岩土体的抗剪强度是随含根量的增加而提高。
These types of structural surfaces are the weak part of the rock mass. Their stiffness and strength are much smaller than the rock matrix material.
这些各种类型的结构面正是岩体中的薄弱部分，它们的刚度和力学强度比岩石母体材料小得多。
The crack of slope rock is growth and link up in various pattern under CWRI and liquid pressure, which cause rock and rock mass developed into loose material and the strength reduced.
CWRI和水压力共同作用下，斜坡岩石裂纹呈现多种模式扩展和贯通，造成岩石和岩体向松散介质转化及强度降低。
The numerical model of roof bolting and rock mass collaboration was based on Hoek Brown's strength criterion.
基于虎克-布朗强度准则给出了岩体及顶板锚固的数值模型。
The mechanical strength of rock mass will decreases after relaxation.
岩体发生松弛后，松弛带岩体力学参数明显降低。
RQD value, one of the rock quality indices, may become a new and practical way to accurately estimate the strength of broken rock mass.
RQ D值作为岩体质量指标之一，可为破碎岩体的强度估计提供新的实用途径。
As for the size of fractured rock, it is related with the dynamic strength which rock mass can reach.
表现在破坏块体的尺寸上，最小的破坏尺寸与所能达到的强度有直接的关系。
The key problem of karst foundation is not the foundation strength itself but the foundation stability, especially the stability of the free face of rock mass on the pile tip.
岩溶地基突出问题不是地基强度而是地基稳定性，尤其是桩端岩体临空面稳定性。
It is the fine cementation of microcracks so as to reduce or eliminate the stress concentration on their ends intensively. Thus, the limit yield of rock mass and its strength are both enhanced.
微细裂隙的良好胶结，使其端部应力集中被降低或消除，岩体屈服极限增大，强度提高。
It is the fine cementation of microcracks so as to reduce or eliminate the stress concentration on their ends intensively. Thus, the limit yield of rock mass and its strength are both enhanced.
微细裂隙的良好胶结，使其端部应力集中被降低或消除，岩体屈服极限增大，强度提高。
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