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- An Approach to the Critical Deformation Value of Railway in Surface Subsidence Area 地表沉陷区铁路临界变形值的探讨
- Surface subsidence area 地表沉陷区
- The main kinds of hazards of road in Beijing mountain area are landslip, collapse, debris flow, karst and surface subsidence. 北京山区公路所遭受的地质灾害主要有滑坡、滑(崩)塌、泥石流、岩溶、采空地面塌陷等。
- The laws of ground surface subsidence and rockmass movement in east area of Chenchao iron mine due to underground mining are studied. 东区现有地表下沉属于不连续下沉,岩层破坏主要是缓慢型破坏。
- 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。
- Therefore, two kinds of spatial data were effectively fused by means of CASS, and implemented visualization for landform in mining area considering surface subsidence. 为此,基于CASS软件有效地融合了这两种空间数据,并成功的实现了顾及地表沉陷的矿区地貌可视化。
- Withdrawal of petroleum, water, sulphur, salt, or other substances can result in surface subsidence. 石油、水、硫磺、盐或其它物质的开采可以引起地表下降。
- Put forward redistribution of stress in the mining area and Domino effect caused by unstability of coal pillar underground, resulting in sudden roof caving in the gob and surface subsidence. 提出了采场内煤柱失稳破坏引起采场应力重新分布,出现煤柱群连续失稳破坏的多米诺效应,从而导致采空区顶板大面积突然垮落和地表整体塌陷。
- The subsidence area caused by coal mining is an important point, which should be settled by the land recultivation. 摘要在采煤矿区,由于采煤造成塌陷的土地是土地复垦需要解决的重点问题。
- 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。
- 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。
- Some drilling and various kinds of hydrogeologic and soil mechanics experiments were carried out in typical subsidence area. 根捃上述成果资料,首次对北京市地面沉降区的含水岩组及压缩层组进行了划分。
- Because of mining, the subsidence area, water area and quarry remains can be found everywhere in Huainan and Hauibei mining area. 摘要由于采煤、采石活动影响,两淮矿区内分布着大面积的沉陷区、积水域和采石场遗迹地。
- 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。
- Gas field exploitation will destroy strata,cause land surface subsidence and even induce earthquake disaster. 气田开采会对地层造成破坏,引起地面下沉甚至诱发地震灾害;
- Correctly evaluating hydrological geology characteristics of mining subsidence area is the key of realizing continuable utilization of mining subsidence land. 摘要正确评价采煤沉陷区的水文地质特征是实现采煤沉陷土地持续利用的关键。
- Marble karst development in Da-hong-shan mine caused a great deal of water bursting in mine shaft, sharply lowering ground water and large scale of surface subsidence. 摘要大红山矿大理岩岩溶发育,由于突水造成井下大量涌水,同时引起地下水位急剧下降,引发了较大范围、较大规模的地面塌陷。
- 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。
- The geology of subsiding area is complicated with many unknown cases. 塌陷区现场条件复杂、未知因素多。