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- surface subsidence pattern 地表沉降规律
- 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。
- 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。
- 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。
- 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；
- 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 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 model of layer onit is established with thin plate deflection theory. Besides, surface subsidence is forecast and verified with examples. 用板弯曲理论建立层单元模型;在此基础上预测地表下沉;并用实例验证.
- 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。
- 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。
- Based on the example of south dump slope of Anjialing open colliery in Pingshuo, the rule of surface subsidence was studied using FLAC(superscript 3D). 摘要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FLAC(上标3D)程序进行了数值模拟计算。
- The present paper discusses the condition of environmental background and the formation,property,harm,controlling factors of surface subsidence in Jiangxi province. 论证了江西省地面塌陷的环境背景条件及其形成、特征、危害、控制因素以及防治对策。
- To calculate rockmass and surface subsidence by using numeric analysis of rock mechanics, back analysis of displacement is used to study identification and theoretical analysis. 为应用岩石力学数值分析方法进行岩层与地表移动计算，采用位移反分析方法，进行了模型识别和理论分析研究。
- To a coal mine, mine earth’surface subsidence, water resource destruction and pollution and mine solid castoff pollution are primary environmental geologic disasters. 煤炭开采引起的矿区地表变化和塌陷、对水资源的破坏和污染与矿区固体废弃物的污染是煤矿的主要环境地质灾害。
- On the basis of the measurement data,Mining-induced movement distortion rule is analyzed,and the particularity of surface subsidence and horizontal movement are also gained. 介绍了某矿区山区地表移动观测站的设置和观测方法,以该矿区观测站的实际观测资料为基础,分析了开采引起的山区地表移动变形规律及下沉、水平移动的特殊性。
- The large cracks are inevitable outcome of the strata movement.The surface subsidence wasgreatly retarded by filling consolidation grouting material into the cracks. 离层是上覆岩层移动的必然结果，在离层中充填可固结的注浆材料便可大大减缓地表沉陷。
- 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。
- 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。
