徐庄煤矿主要水害类型及防治措施
Main Types of Water Disaster and Prevention Measures in Xuzhuang Coal Mine
摘要:
大屯徐庄煤矿近年来受水害影响较为严重，发生多起突水事故。为了保证矿井生产正常进行，通过综合调查研究区地质资料，得知徐庄煤矿的突水来源主要有矿井顶板砂岩裂隙水、太原组四灰水、奥陶系灰岩水、断层水以及老空区积水，在此基础上提出了留设防水煤柱、疏水降压等防治水措施。
Abstract:
In recent years, Xuzhuang Coal Mine in Datun has been seriously affected by water damage and many water inrush accidents occurred. In order to ensure the normal production of the mine, according to comprehensive investigation and research area geological data, the results of the research showed that the main sources of water inrush in Xuzhuang coal mine were fracture-karst water of seam roof, fourth ash water of Taiyuan formation, limestone water of Ordovician system, fault water and goaf water. On this basis, water prevention measures such as keeping waterproof coal pillar and hydrophobic pressure lowering were put forward.
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