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文章介绍了采用人工强制放顶留巷方法即“卸压法”的试验过程,配合顶板观测和加强支护措施,使该留巷方法获得成功,并收到了明显的技术、经济效益。
This paper introduces the test method of “pressure relief method” by manual compulsory caving and caving method, and cooperates with roof observation and strengthening support measures to make the method of retaining roadway succeed and receives obvious technical and economic benefits.