深立井极不稳定岩层中马头门的联合修复支护技术

摘要

Combined with specific examples, the paper describes the way to repair the damaged ingate supporting by bolting-wire mesh -shotcreting, anchorage cables, high -strength reinforced concrete, for resisting deep pressure from earth and ensuring the safety construction of the ingate and wellbore intersecting line, achieving the purpose of the safe use.%　　结合具体实例，阐述两淮地区深立井极不稳定岩层，损坏马头门如何运用锚网喷、“哉”型钢棚、锚索束、高强度钢筋混凝土联合支护，达到修复目的，来抵抗深层地压，确保马头门和井筒相贯线安全施工，达到安全使用的目的。