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Key Techniques and Risk Management for the Application of the Pile-Beam-Arch (PBA) Excavation Method: A Case Study of the Zhongjie Subway Station

机译:桩-杆-拱(PBA)开挖方法应用的关键技术和风险管理:以中街地铁站为例

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摘要

The design and construction of shallow-buried tunnels in densely populated urban areas involve many challenges. The ground movements induced by tunneling effects pose potential risks to infrastructure such as surface buildings, pipelines, and roads. In this paper, a case study of the Zhongjie subway station located in Shenyang, China, is examined to investigate the key construction techniques and the influence of the Pile-Beam-Arch (PBA) excavation method on the surrounding environment. This case study discusses the primary risk factors affecting the environmental safety and summarizes the corresponding risk mitigation measures and key techniques for subway station construction using the PBA excavation method in a densely populated urban area.
机译:在人口稠密的城市地区,浅埋隧道的设计和施工面临许多挑战。隧道效应引起的地面运动对基础设施(例如地面建筑物,管道和道路)构成潜在风险。本文以沉阳中捷地铁站为例,研究了关键施工技术以及桩梁拱(PBA)开挖方法对周围环境的影响。本案例研究讨论了影响环境安全的主要风险因素,并总结了在人口稠密的城市地区采用PBA开挖方法进行地铁站建设的相应风险缓解措施和关键技术。

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