安全开采深度(safe-mining depth) 钻井水溶开采盐类矿床时,开采矿层的顶板及其上覆岩层、矿层,不致因开采溶腔引起冒顶、坍塌以及地面沉降、塌陷状态下的埋藏深度。
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With the increase of mining depth, the possibility for rock burst increases correspondently. It has become a major factor which endangers the safe operation of coal mines.
随着煤矿开采深度的增加，冲击地压危险越来越大，已成为严重威胁矿井安全生产的主要灾害。
Along with the mining depth increasing, the frequency and intensity of the mine earthquake are increasing in the mine, which brings the huge stress to safe production.
随着开采深度的增加，现有矿震的矿井发生矿震的频率和强度都在不断增加，给安全生产带来巨大压力。
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