surface subsidence
地表下沉;地表塌陷
2026-03-22 12:48 浏览次数 30
地表下沉;地表塌陷
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。
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。
thus the concept of tectonic stress general changed stress must be introduced into the anticipate formula system of tectonic stress ground surface subsidence caused by underground excavation.
引入概化地应力概念,导出了构造应力作用下地表变形的预计公式体系。
the research achievement of this project can be used in reducing surface subsidence by injecting, forecasting underground water ingressing and coal bursting, arising mining elevation, etc.
本项目成果可应用于注浆减沉、矿井突水防治、沖击地压预测、区段煤柱留设、提高开采上限和坚硬顶板采场初次来压预测等领域。
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 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 show that after disposing abandoned stope, surface subsidence and rock movement will decrease due to seepage.
结果表明,渗流将会引起采空场处理后的巖体移动量减小;
underground excavation leads to surface subsidence. once the surface deformation value exceeds a certain limit, the railway in surface subsidence area will be seriously damaged.
地下开挖工程导致地表沉陷,一旦地表变形值超过一定界限时,地表沉陷区内的铁路就会受到严重破坏。
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。
the deformation characters of the broken rocks are the important factors that affect the roof caving and surface subsidence above goaf in coal mining.
破碎巖石的变形性质是影响采空区覆巖垮落与地表沉陷的重要因素。
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。
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。
it is can effectively control and reduce the trajectory surface subsidence of the existing subway line 5 station by using different kinds of expanded-grouting sections.
⑤通过采用不同的扩大注浆断面形式,能够有效地减小既有5号线车站轨道表面的沉降量。
based on analysis of forming cause of water, fire, mine gas, coal dust, surface subsidence during coal mining, this put forward some comprehensive preventive measures.
通过对大同矿区煤矿开采过程中水、火、瓦斯、煤尘、地面塌陷等灾害的成因分析,提出了一些相应防治措施。
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。
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。
the indexes such as circularity, irregular index, equal-area circle radius in morphological methods were applicated, and the surface subsidence form was analyzed quantificationally.
研究表明,无论采空区的形状是否为圆形,地表塌陷形态均为圆形或趋于圆形;
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。
surface subsidence was most serious in certain areas where large quantities of underground water were pumped out .
在地下水大量抽出的地区,地面下沉非常严重。