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- water inrush from seam floor 底板突水
- water inrush from mine seam floor 底板突水
- water inrush from the seam floor 底板突水
- water inrush from coal seam floor 煤层底板突水
- This paper puts forward a new mechanism of water inrush through the seam floor (WISF).It is emphasised that water inrush is a local destabilization caused by defects. 本文论述了矿井煤层底板突水是一种由缺陷诱导的局域失稳，特别强调存在两种时间尺度的缺陷变化过程。
- 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。
- 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。
- 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。
- The Theories and Methods on Water Inrush From Coal Floor 煤层底板突水研究的理论和方法
- 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。
- This paper gives a description of the grouting technology for controlling water inrush from fault, the selection of grouting materials, the rational arrangement of grouting holes and grouting method. 介绍了断层突水治理的注浆工艺,并对注浆材料的选择,注浆钻孔的合理布置,合理的注浆方法作了祥细的介绍。
- Method to determine water inrush from a fault in floor 采场底板断层突水判别方法
- A Case Study of Rock Failure and Water Inrush from the Coal Seam Roof 煤层顶板破坏与突水实例研究
- water inrush in seam floor 底板突水
- Right now, hit solid candle to the floor, can reduce from seam distensible extent. 此时，对地板打上固体蜡，会降低离缝扩大的幅度。
- According to the model,applying the cusp catastrophic theory the mechanics mechanism of water inrush is analyzed from key stratum of floor. 当满足关键层失稳的充要力学条件时,承压水底板有可能发生失稳突水。
- From investigating at field and laboratory, the coal mining method and its technical parament have a much effect on controling floor water inrush. 通过现场实测和室内研究表明,采煤技术因素对底板突水的影响很大。
- 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
