采深、采厚、采煤方法及顶板管理方法、重复采动的影响、时间的影响以及开采范围的影响。

The mining factors include mining thick, mining depth, mining ways, re-mining, time and mining length.

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对于覆岩应力场和覆岩破裂有影响的采矿因素是工作面推进速度、采矿周期性和顶板管理方法。

The mining procedures which have an influence on the stress field in the strata and the fracturing of the roof are the rate of daily face advance, the mining rhythm, and the nature of working.

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本文分析了顶板冒落的原因，提出了顶板管理方法，如调整落矿工艺，顶板锚网支护和冒顶预测预报，结果保证了采矿的安全。

This paper analysed the cause of falling roof, raised some methods of roof management, such as adjusting mineral blast, bolt support and prediction of roof caving. It ensured safety in mining.

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