On the basis of probability integration method for flat coal seam, the paper discusses surface subsidence random medium model for mining inclined seams with an Angle of a.
在水平煤层概率积分法的基础上,讨论了开采倾角为口的倾斜煤层的地表下沉随机介质模型。
In addition to charts and tables which are meaningful to control surface subsidence and rock pressure in mining engineering, examples are also provided.
文中除给出对采矿工程中控制地表沉陷与矿山压力有意义的图表外,还提供了几个实例。
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。
And combine control mining method, surface subsidence preplan theory, mining landslide area disaster forecast and numerical simulation studied out controlling mining estimate measure.
并结合控制开采方法、煤柱稳定性分析、地表沉陷预计、采动滑坡区灾害预测理论以及数值模拟确定了控制开采的评价方法。
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。
The strata movement and the ground surface subsidence caused by underground mining are serious underground engineering problems.
地下开采引起的岩层移动和地表沉陷是一个非常严重的地下工程问题。
Surface subsidence and the discharge of refuse, wastewater and waste gas constitute the main impact of coal mining on the environment.
煤炭开采过程中对环境的主要影响有地表塌陷破坏和废石、废水、废气的排放。
There exists a cause-effect chain among underground mining, rock movement and surface subsidence.
地下开采—覆岩移动—地表沉陷之间存在着互为因果的链动关系。
In China, with coal resource mining in deep-lying being developed, therefore, the main technology problems about prediction and control of surface subsidence are brought out.
随着我国煤炭资源的开采向深部延伸,带来了地表沉陷预测与控制等主要技术难题。
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 results can provide theoretical basis and scientific references for Kailuan mining area and similar mining area to predicting and controlling surface subsidence and mining under the "three body".
本文的研究成果对开滦矿区深部开采及类似矿区的地表沉陷预测及控制、“三下”采煤具有一定的理论价值和指导意义。
Ground surface subsidence disaster caused by underground mining is a new problem of highway's construction of our country.
地下开采所引起的地表沉陷灾害是我国高速公路建设中所面临的一个新的课题。
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。
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。
The geological conditions, mining history, and actual status of surface subsidence in Beiminghe Iron Ore Mine is explained in brief. On this basis, the reasons causing surface subsidence are analyzed.
概述了北氵名河铁矿地质概况、开采沿革、地表塌陷的实际情况,并对塌陷原因进行了简单分析。
Forecast method of unascertained clustering to predict mining induced surface subsidence is optimized.
对未确知聚类预测法进行优化,并将其应用于开采地面沉陷的预测研究。
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。
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。
The theory and control technology for migration of roof strata and surface subsidence caused by mining operation are a part of the study of natural calamity all over the world.
煤矿开采引起覆岩及地表沉陷的控制理论与技术研究是涉及全球性灾害学科的研究内容之一。
The deformation characters of the broken rocks are the important factors that affect the roof caving and surface subsidence above goaf in coal mining.
破碎岩石的变形性质是影响采空区覆岩垮落与地表沉陷的重要因素。
The laws of ground surface subsidence and rock mass movement in east area of Chenchao iron mine due to underground mining are studied.
以大量的现场实测资料为基础,分析了程潮铁矿东区地下采矿引起的地表沉降和岩层移动规律。
The problems of stability of surface movement and deformation as time goes on and residual distortion are always important aspect of mining cover-rock subsidence study.
地表移动变形随时间的稳定性及剩余变形问题一直是采动覆岩沉陷研究的重要方面。
The tangent of the main influencing Angle is an important parameter for mining subsidence prediction and surface displacement range demarcation.
主要影响角正切是开采沉陷预计的重要参数,对于地表影响范围的确定具有重要的意义。
When the ratio of mining depth to the total mining thickness is below 17, the ground surface subsidence is studied respectively according to three cases.
当矿体开采深度与回采累计垂直高度的比值小于17时,分三种情形考虑。
When the ratio of mining depth to the total mining thickness is below 17, the ground surface subsidence is studied respectively according to three cases.
当矿体开采深度与回采累计垂直高度的比值小于17时,分三种情形考虑。
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