The surface subsidence basin is the result of underground coal mining.
地下采煤会导致地表下沉盆地的形成。
It provides a convenient and rapid analysis tool for the surface subsidence monitoring personnel.
为地表沉降监测人员提供了方便快捷的分析处理工具。
When the quantity of the intensity of pressure reaches a fixed value, it will cause the surface subsidence.
当压密的数值达到一定量时，会引起地表下沉。
Along with the underground mining of mineral, the damage of the surface subsidence due to mining is gradually serious.
随着地下矿藏的开采，矿区开采沉陷所带来的损害日趋严重。
The surface subsidence above coalmine gob area is a typical and serious geological environment problem in Yongcheng mining area.
煤矿采空区地面沉陷是永城矿区典型、突出的矿山地质环境问题。
On this basis, various factors which caused the surface subsidence are analysed and this is valuable for the surface subsidence control.
分析了该区地面沉降的内因和外因，为区内地面沉降的防治提供了依据。
Based on the rheological characteristics of overburden strata, a rheological model is confirmed to analyze the surface subsidence mechanism.
根据覆岩的流变特性，确定流变模型，分析地表沉陷机理。
Due to the lack of the actual observation data about the groundwater water level and the surface subsidence, it is difficult to carry on careful researches.
由于缺少地下水水位和地面沉降的实际观测资料，难以进行细致的研究。
The earthquake shaking the surface subsidence, the shallow groundwater will be squeezed along the cracks rose to the surface, take a sandblasting water phenomenon.
地震的晃动使表土下沉，浅层的地下水受挤压会沿地裂缝上升至地表，形成喷沙冒水现象。
Comparing the actual settlement and the simulation results, verify the feasibility and accuracy of using the method of interface to calculate the surface subsidence.
对比开采后实际沉降量与数值模拟结果，验证了接触面法计算开采沉陷的可行性和准确性。
Therefore, the surface subsidence was controlled comprehensively through measures like static pressure grouting and building shotcrete piles in the artificial river channel.
为此，对地表塌陷进行了综合治理，其中采用了静压注浆、在人工河渠施工旋喷桩的措施，有效地控制了地表塌陷。
And the results show that with the increase of mining height, the surface subsidence and horizontal movement value increase, while the subsidence factor decreases in nonlinear.
结果表明：在采深和采出率等条件相同的情况下，地表下沉值和水平移动值均随采厚的增加而增大，而下沉系数随采厚的增加以非线性关系逐渐减少。
The influence of surface subsidence on ground building, caused by shield tunneling is concerned by more people, but the key of this problem is to pre-estimate the surface subsidence.
盾构掘进法开挖隧道引起的地表沉降对地面建筑物影响在地下工程施工中越来越受到人们的关注，而这个问题的关键是要对地表沉降进行预估。
The surface subsidence of coal cities is created by the coal mining underground, it is necessary to make the territorial planning of coal cities, which based on the geological conditions.
煤层的地下开采造成煤矿城市的地面沉陷，应搞好以地质状况为基础的煤矿城市的国土规划。
The surface subsidence for caving mining used for metal mines with steep veins, a worldwide difficult problem, belongs to the realm of surface movement under the effect of tectonic stress.
崩落法开采急倾斜金属矿山的地表沉陷问题是国际性重大难题，属构造应力影响下地表移动问题。
On the basis of key rock strata theory, transferring rock beam structure and the law of the overlying strata displacement and the surface subsidence theory, we deduced offset error formula.
以关键层理论、传递岩梁理论以及采场上覆岩层及地表移动规律理论为基础，推导出岩梁抗弯刚度的误差补偿公式。
The computer simulation results provide a scientific basis for decision-making of the mine, and also make a good attempt for further studying the surface subsidence caused by underground mining.
计算机模拟结果为矿山决策支持提供了科学依据，也为进一步研究因地下开采引起的地表沉降问题做了有益的尝试。
We calculated the surface subsidence, horizontal displacement, incline, and current curvature using the groundwater drawdown, conical depression influence radius of water cone and ground property.
根据地下水降深、降落漏斗影响半径、岩土工程地质性质，计算降水引发的地表沉降值、水平移动、倾斜、曲率现状值。
The exploitation of ground water in Ningbo City is of exploiting type, and therefore, the surface subsidence is initially associated with exploitation quantity of groundwater in time space and degree.
宁波市地下水为消耗型开采，在时间、空间和程度上，地面沉降与地下水开采量有极密切的关系。
Over geologic time the central volcano becomes extinct, followed by erosion and subsidence beneath the sea surface, leaving the coral reefs as a ring around (or cap on) the submerged island remnant.
由于侵蚀和海底的下沉，经过地质时代的变迁，中心的火山已经不见踪影，而只留下珊瑚礁环绕或覆盖在沉入海底的火山岛上。
Surface subsidence (ground depression) caused by the overuse of ground water.
过度抽取地下水引起的地面沉降。
The subsidence in Fuyang city is a typical examplpe for surface subsidence caused by groundwater pumping in loose soil.
阜阳市地面沉降是典型的因抽汲松散岩层地下水引起水位（压）下降而造成的地面沉降。
With the difference of lithological characters considered, the generalized subsidence formula for strata and surface movement is derived. Some applied fields and an example are given.
在考虑岩性差异的条件下，推导出了岩层与地表移动的广义下沉公式，最后列举了其应用意义和实例。
The applications of the composed rock beam model in ground control, surface subsidence control and gas prevention in coalmine are studied deeply.
对组合岩梁模型在岩层移动规律研究、地表沉陷控制以及在矿井瓦斯防治中的应用进行了深入地分析。
The maximum subsidence induced by mining bedding ore(such as coal seam) is an important parameter for estimating the degree of surface movement and deformation.
最大下沉值是度量层状矿体（如煤层）开采引起的地表移动变形程度的重要参量。
Based on the example of south dump slope of Anjialing open colliery in Pingshuo, the rule of surface subsidence was studied using FLAC3D.
为研究露天煤矿排土场边坡下采动沉陷规律，结合平朔安家岭露天矿南排土场边坡的实例，采用FLAC3D程序进行了数值模拟计算。
The Knothe time function was known to be able to describe the whole process of surface subsidence.
克诺特时间函数被认为可以描述地表点下沉的全过程。
The Knothe time function was known to be able to describe the whole process of surface subsidence.
克诺特时间函数被认为可以描述地表点下沉的全过程。
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