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根据北京铁路地下直径线ZJX-2标工程实例,介绍了盾构破除始发洞门NOMST新技术,盾构直接掘削新型材料墙体进洞,有效提高了工程效率,降低了工程风险,为类似大直径盾构始发破除洞门技术提供了一些参考。
According to the project example of ZJX-2 underground diameter line of Beijing railway, this paper introduced the NOMST new technology of shield tunneling, and the shield directly excavated the hole of the new material wall to effectively improve the engineering efficiency and reduce the project risk. The introduction of large-diameter shield tunneling technology to break through the door provides some reference.