Because the rock structure is largely limestone, there are many underground rivers and even vast underground lakes in Guizhou.
因为岩石大多是石灰岩，所以贵州有许多地下河，甚至巨大的地下湖。
It has been proved by many engineering practice that the rock structure is an important factor on controlling the stability of rocks.
大量工程实践已证明岩体结构是控制岩体稳定性的重要影响因素。
The prediction of rock structure in front of face during tunneling using geophysical methods has the advantage of high speed and accuracy.
以地球物理勘探方法进行隧道掘进中前方岩石结构的超前预报，具有快捷、准确和实时处理及显示的优点。
Based on the actual needs of the engineering, every stratum of layered rock structure can be regarded as the homogeneous and isotropic elastic body.
根据工程实际的需要，层状岩石结构中的每一层岩石，均可视为均质、各向同性的弹性体。
Then, quantitative description of rock structure is achieved by introducing rock-mass block index based on drilled rock samples of different complete lengths.
引入基于钻孔岩芯不同完整长度的岩体块度指数，以定量地表征岩体结构。
Using this method, we are accurately informed the rock structure in front of the face of tunneling and we may provide information for further construction.
通过该方法可及时、详细地了解开挖掌子面前方岩石结构情况，为施工单位合理安排施工进度和减少工程隐患提供依据。
It is verified that in the function of normal distribution can be expressed the density law of the rock structure crevice group and the calculation error is minor.
证明用正态分布函数能表示岩石构造裂隙组合的疏密规律，且计算误差小。
In consideration of the rock characteristics, formation, rock structure, unloading and weathering, the quality of rock body in the dam foundation has been classified.
在考虑了岩性、构造、岩体结构、卸荷和风化等诸因素后，对大坝坝基岩体进行了岩体质量类别划分。
Apply modern rock structure control theory to vertically quantify and divide the granite rock with different weathering degree. Then the pile and rock was studied coupled.
运用现代岩体结构控制理论，对不同风化程度的花岗岩体进行垂直量化划分，把桩岩耦合一体进行研究。
Rock mechanics model has been established for different types of rock structure to offer a reliable basis for a comparative analysis of host rock stability while mining in a broad area.
建立了各种结构类型岩组的岩体力学模型。为大面积采矿的围岩稳定性模拟分析提供了可靠的依据。
The stress and deformation evolvement status of the surrounding rock structure are analyzed and compared on the basis of calculations. The evaluation of tunnels stability has been done.
分析对比了围岩结构的受力、变形演化状况，评价了隧道开挖系统的稳定性。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Rock mechanics models have been established for different types of rock structure to offer a reliable mechanical basis for the analog analysis of host rock stability while mining in a broad area.
采用围岩分类专家系统中的不确定性推理处理方法，以工程地质学家谷德振提出的岩体结构划分标准为基础，对金川二矿区岩（矿）体用模糊数学中择近原则的方法进行模糊综合判别。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of such reservoirs.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Rock structure is one of main factors influencing stability problem of dam foundation, dam shoulder, underground structures and slope engineering.
在大型水电工程中，岩体结构是控制坝基坝肩、地下结构和边坡工程等稳定的主要因素之一。
According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.
针对TBM施工隧道仰拱预制块的特殊结构，采用围岩-结构模式，进行了模拟施工动态的受力影响计算分析。
A simulation of dynamic forces acting on invert prefabricates in TBM construction tunnel is made with surrounding rock-structure model by using ANSYS software.
运用计算软件ANSYS，采用围岩—结构模式，对TBM施工隧道仰拱预制块进行模拟动态施工的受力计算研究。
In the calculation, the DP model is chosen to consider the non-linearity of rock and the status non-linearity of rock-structure interface adopts the surface-surface contacting element.
计算中岩体采用DP模型，利用面面接触单元考虑岩体与结构交界面的状态非线性。
In the calculation, the DP model is chosen to consider the non-linearity of rock and the status non-linearity of rock-structure interface adopts the surface-surface contacting element.
计算中岩体采用DP模型，利用面面接触单元考虑岩体与结构交界面的状态非线性。
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