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- THE KEY STRATUM METHOD OF RISK EVALUATION FOR WATER INRUSH IN COAL MINE 评价矿井突水危险性的关键层方法
- water inrush in coal mine 煤矿突水
- 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。
- Causes of water inrush in Qidong Coal Mine 祁东煤矿突水灾害成因分析
- prevention and water inrush hazards treatment in coal mine 矿井防治水
- 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。
- Accumulatively, more than 50 water inrush accidents have happened, twice coal mine submerged accidents since the coal mine put into production. 该矿自投产以来累计发生突水事故达50余次，并造成淹井2次。
- For analyzing water supply capacity of the water inrush wells in the YuXin coal mine of Xingmi city,large scale pumping test were carried out as presentd in this paper. 为了给矿井设计和施工提供可靠的水文地质参数,本文利用郭屯矿井井筒检查孔抽水试验数据,根据地下水动力学原理,准确地预算出各井筒涌水量。
- Experience of the application of CAD in coal mine design. 介绍了CAD在煤矿设计中的应用效果。
- So, EME can be applied to forecast the rock burst in coal mine. 研究表明，电磁辐射基本上随著加载及变形速率的增加而增强；
- Therefore, it is great meaning to research the influences of fault to water inrush in floor. 因此，研究断层在底板突水过程中的作用影响，意义重大。
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
- However, without theoretical calculation, serious accidents such as the water inrush in Shanghai Subway Line 4 occurred. 然而，由于计算理论的不完善，也出现过诸如“上海地铁四号线透水”的重大工程事故。
- Water inrush in working face and support failure of the driven roadway caused by underground seepage occur from time to time. 摘要地下水渗流导致巷道掘进工作面突水或成巷段支护失效的灾害在煤矿时有发生。
- The largest risk in coal mining is the collapse of the mine. 煤矿生产过程中可能出现的最大危险就是巷道崩坍。
- 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。
- quantity of water inrush in mine 矿井涌水量
- It is important to prevent the water inrush as well as to protect the water resource in coal mining.Water-preserved mining is one of the important contents in the green mining technological system. 摘要既要防治煤矿突水灾害又要保护矿区水资源，实现保水采煤是绿色开采技术的核心内容之一。
- The application result of CAD in coal mine design is introduced. 介绍了CAD在煤矿设计中的应用效果。
- Foul or poisonous gas that sometimes pollutes the air in coal mines. 矿井瓦斯，有毒气体矿井中有时污染空气的恶臭气体或有毒气体
