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- Keywords surface subsidence control;borehole filling mudding;gypsum mine gob; 地面沉陷防治;钻孔充填压浆;石膏矿采空区;
- Mechanism of overburden separations produced and implement of surface subsidence control engineering 覆岩离层产生机理及离层充填控制地表沉陷技术的工程实施
- surface subsidence control 地面沉陷防治
- Principle and application of surface subsidence controlled by grouting in overlying-separation layer 覆岩离层注浆控制地表沉降技术的理论与实践
- We put forward using the technology of injecting clay grouts into separated strata to control the surface subsidence on the basis of the theory about the occurance and development. 基于岩体中离层产生、发展的研究理论,提出利用“离层注浆防治地表塌陷技术”以控制地表塌陷。
- 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。
- An active measure for ground subsidence control is to move the exploited horizon upward to shallow area and make it close to the recharge and discharge area of groundwater. 控制地面沉降的一个积极措施是将开采层位上移至浅层,使其接近地下水的补给区和排泄区。
- 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。
- Curtain grout technology was used in the project of surfaca subsidence control and ground water cut-off in Tonglushan mine. 铜录山矿在治理矿区地面塌陷及地下水截流中,采用了帷幕注浆技术。
- 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 study of mining-induced fracture distributions is closely related to some mining engineering problems such as mining under or above water bodies,relieved coalbed methane drainage, overburden bed separation grouting and mining subsidence control etc. 岩层采动裂隙分布的研究与水体下和承压水上采煤、卸压瓦斯抽放、离层区充填与开采沉陷控制等工程问题紧密相关.
- 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。
- Laws of permeation and distribution of grout water are important parts of reducing subsidence theory, it is related to safety of grouting works and long term stability of subsidence control. 离层带内浆液水的渗流与分布规律,是注浆减沉理论的重要组成部分。
- 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。