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- The Theories and Methods on Water Inrush From Coal Floor 煤层底板突水研究的理论和方法
- Forecast of water inrush from coal floor based on least square support vector machine 基于最小二乘支持向量机的煤层底板突水量预测
- Study on the Non-linear Forecast Methods for Water Inrush from Coal Floor Based on Wavelet Neural Network 基于小波神经网络的煤层底板突水非线性预测方法研究
- In-situ measurement and physical analogue on water inrush from coal floor induced by progressive intrusion of artesian water into protective aquiclude 承压水沿煤层底板递进导升突水机理的模拟与观测
- A numerical simulation analysis of influence of karstic collapse columns on rock mass yield and water inrush from coal floor 陷落柱影响采场围岩破坏和底板突水的数值模拟分析
- water inrush from coal floor 底板突水
- water inrush from coal seam floor 煤层底板突水
- SIMULATION AND MECHANISM ANALYSIS OF WATER INRUSH FROM KARSTIC COLLAPSE COLUMNS IN COAL FLOOR 煤层底板陷落柱突水模拟及机理分析
- The principle of WKS in water-preserved mining has been successfully applied to the disaster prevention of water inrush from roof and floor in working face. 保水采煤的隔水关键层原理在采场顶底板突水灾害防治中得到了成功应用。
- The article takes water resisting floor as brittle rock mass,and thinks that water inrush from floor is caused by rock mass sliding along a fracture plane. 把隔水底板作为脆性岩体,认为底板突水是由于岩体沿断裂面发生滑动造成的。
- Water inrush from the bottom coal layer in mining work faced now is rather serious in Northern China coalfield, which constraints seriously the normal economical benefits. 在我国华北煤矿区,回采工作面煤层底板突水问题相当严重,困扰着煤矿经济效益的正常发挥。
- Mining on the top of water-pressured, the water inrush in coal floor is a complex nonequilibrium and nonlinear evolution process. 摘要在承压水体上开采时,煤层底板突水过程是一个复杂的非平衡、非线性的演化过程。
- The grouting reconstruction technique of lower confining bed can be used to control the water hazard from coal floor. 摘要煤层底板含水层注浆改造技术可以彻底根治底板水害。
- Taking Qidong Mine as a example,based on the data about the water inrush from the fourth aquifer, the parameters are revised, which are calculated by pumping test. 分析了“底含”发育的主要影响因素,并以祁东煤矿为例,利用地下水动力学方法重新计算了“底含”的有关参数,对以往抽水试验参数进行修正,并成功地运用到邻近矿井。
- water inrush from coal roof 顶板突水
- The water inrush from conglomerate in the coal mine relatives to the water rich property of conglomerate and the pressure bump. 该矿的砾岩出水除与砾岩的富水性有关外,还与矿井的冲击地压有密切关系。
- Coal is always a main energy sources in our country,and exploitation of coal was threatened by many mine geological disasters,in which the water inrush from mine is the most primary problem. 煤炭一直是我国的主要能源,煤炭开采受到多种矿井地质灾害的威胁,其中最大安全问题是矿井突水事故。
- Water-inrush from coal floor is found to have two routes, catastrophic and slowmoving, and to have divergent character and modality softening character and so on. 进一步分析,发现煤层底板突水具有突变、缓慢两条路径,并在突水临界点附近具有发散性和4模态软化等性质。
- water inrush from mine seam floor 底板突水
- water inrush from the seam floor 底板突水