The reasons of surface mining damage were analyzed.
分析采矿活动对地表损坏的原因。
It is the most common way to remain coal safety pillar for protecting surface buildings from mining damage.
留设保护煤柱是防止建筑物受采动损坏的最常用方法。
Then research status in China and foreign of expressway mining damage and feasibility methods of goaf management under of approach to expressway were introduced.
介绍了国内外高速公路采动损害的研究现状,以及高速公路下伏和临近采空区治理的可行性方法。
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