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da mai shen hou mei ceng ruan yan mei xiang di gu de ji li yu fang zhi
Author(s): 
Pages: 31-33
Year: Issue:  9
Journal: Coal

Keyword:  大埋深厚煤层软岩煤巷反拱卸压槽;
Abstract: 针对大埋深厚煤层软岩煤巷底鼓严重的问题,以新疆潞安能源化工有限公司大井矿区四号矿井为工程背景,分析总结了底鼓产生机理和分类。根据现场施工过程中大巷留底煤厚度的不同,设计了三种底鼓防治的支护方式,现场应用效果良好,为类似地质条件矿井底鼓防治提供了参考。
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