Parallel construction technology of subway shield passing through station and lining of excavated station

By using fully automated hydraulic trolleys for segmented construction and innovative methods for tunnel boring machines (TBMs) to pass through stations, the problems of long construction cycles, insufficient resource utilization, and high safety risks associated with TBM passage through stations and secondary lining construction of mined-out stations were solved, achieving efficient and safe construction coordination and resource utilization.

CN119686753BActive Publication Date: 2026-05-29CHINA COMMUNICATIONS CONSTRUCTION +8
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA COMMUNICATIONS CONSTRUCTION
Filing Date
2024-11-26
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional methods of tunnel boring machine (TBM) tunneling and underground excavation for secondary lining of railway stations have problems such as long construction period, insufficient resource utilization, high safety risks, and difficulty in construction coordination.

Method used

By adopting fully automated hydraulic trolleys for segmented construction, rationally selecting secondary lining trolleys and safety protection measures, and innovating the tunnel boring machine's passage method, parallel construction of the tunnel boring machine's passage and the underground station lining was achieved. Through reasonable construction deployment and technical means, the synchronous progress of the tunnel boring machine and the secondary lining construction was ensured.

Benefits of technology

It significantly shortens the construction period, improves resource utilization, reduces safety risks, simplifies construction coordination, and achieves seamless connection between shield tunneling and secondary lining construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application belongs to the field of building construction, and more particularly relates to a parallel construction technology for a subway shield passing through a station and a lining of a excavated station, which realizes parallel construction of the shield passing through the station and the lining of the excavated station by introducing full-automatic hydraulic trolley secondary lining jump section construction, optimizing secondary lining trolley selection and safety protection measures, and innovatively adopting a stepping mode combining a rail clamp and a pushing cylinder. This innovation not only significantly shortens the construction period, improves resource utilization, but also effectively reduces safety risks and simplifies the construction coordination process, and brings significant beneficial effects to the field of underground tunnel and subway construction.
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