在矿上压力作用下,出现了冒顶、底鼓、煤岩片帮、支架破坏、煤和瓦斯突出等破坏现象,通常把这些现象统称为矿山压力显现。
以黄沙矿2上采煤工作面为研究对象，分析了该工作面矿山压力显现的规律与特点；
Taking the 2up coal mining face in Huangsha Mine as the study object, the paper analyzed the mine strata pressure behavior law and features of the coal mining face.
研究表明，支架上方顶煤体中能够形成“拱”结构，该结构的存在将对工作面矿山压力显现产生显著影响。
The research results showed that an arch structure would be formed in the top coal above the supports.
该巷应用3年多来，虽3次遭受超前压力的影响，但没有明显的矿山压力显现，从而证明这种支护设计的合理性。
The roadway has been used for three years. Through being effect by three times of mining, but it has no obvious damage. This proves the reasonability of the design.
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