一种地铁车站换乘节点盖挖施工方法

By using the cut-and-cover method and a combination of radial anchor pipes and steel supports, the construction progress delays and quality issues at subway station transfer nodes were resolved, achieving an efficient construction process.

CN120797729BActive Publication Date: 2026-07-17CHINA RAILWAY THIRD GROUP NO 2 ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA RAILWAY THIRD GROUP NO 2 ENGINEERING CO LTD
Filing Date
2025-05-29
Publication Date
2026-07-17

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Abstract

本发明提供了一种地铁车站换乘节点盖挖施工方法，属于地下工程施工技术领域，包括开挖上台阶土体、施作两侧桩间径向锚管、上台阶土体开挖、施作部分顶板及中部混凝土腰梁、架设钢支撑、顶板与既有线路预留接驳钢筋连接、放坡开挖下台阶中部土体至基底、施工中部底板及框架柱、拆除中部两排预留支撑桩、开挖下台阶剩余土体至基底、两侧随挖随打设径向锚管并注浆、施作中部两侧底板、设置临时钢管桩、开挖剩余部分土体、破除两侧支撑桩、架设钢架初支并喷混、施工剩余底板及侧墙、破除剩余预留支撑桩、施工支撑桩部分底板后浇孔及端部侧墙、盾构空推通过，施工内部结构。本发明能提高换乘节点施工效率，降低施工难度。
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