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本文分五种情况探讨了自然垮落单体支柱工作面的控顶距离,推导了支柱对顶板支护强度与控顶距的关系式。
In this paper, the control roof distance of the single caving face of natural caving is discussed in five cases, and the relationship between the support strength of the roof and the roof caving is derived.