我国煤层底板突水机理与防治研究现状及展望
Research status and prospect of water inrush mechanism and prevention of coal seam floor in China
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摘要: 针对我国煤层底板突水问题，将近些年国内对底板含不同地质构造、含水层水压高等多种条件下煤层底板突水机理的研究和目前应用广泛的底板注浆加固技术、留设断层防水煤柱及采前疏水降压等防治煤层底板突水措施的应用效果进行汇总分析；指出了煤层底板突水问题研究存在的不足；对未来大采深、复杂化、低成本、绿色化、高效率、智能化防治煤层底板突水进行了展望。Abstract: In view of the problem of water inrush from coal seam floor in China, the application effect of water inrush prevention measures of coal seam floor in recent years, such as the research on the mechanism of water inrush from coal seam floor under various conditions of different geological structures and high aquifer water pressure in China, and the widely used floor grouting reinforcement technology, the establishment of fault waterproof coal pillar and the drainage and pressure reduction before mining are summaried and analyzed, the shortcomings of the research on water inrush from coal seam floor are pointed out. The prospect of large mining depth, complexity, low cost, green, high efficiency and intelligent control of water inrush from coal seam floor is proposed.
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