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鹤煤三矿新副井井筒马头门上下35m段高地于紫斑泥岩地质条件复杂，加之周围巷道较多，造成井筒及马头门变形及开裂。针对这一问题，我们经研究决定采用锚索及钢圈加固提高井筒的整体性。
新进风井－550m码头门加固工程方案的实践
【摘 要】
：
鹤煤三矿新副井井筒马头门上下35m段高地于紫斑泥岩地质条件复杂，加之周围巷道较多，造成井筒及马头门变形及开裂。针对这一问题，我们经研究决定采用锚索及钢圈加固提高井筒的整
【机 构】
：
鹤煤煤电公司三矿
【出 处】
：
科学时代
【发表日期】
：
2004年期
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