基坑开挖对临近既有大直径全预制拼装隧道的影响研究

张冰 ,  宋欣 ,  刘建友

水利水电技术(中英文) ›› 2025, Vol. 56 ›› Issue (S2) : 293 -298.

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水利水电技术(中英文) ›› 2025, Vol. 56 ›› Issue (S2) : 293 -298. DOI: 10.13928/j.cnki.wrahe.2025.S2.052
工程施工

基坑开挖对临近既有大直径全预制拼装隧道的影响研究

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Study on the influence of foundation pit excavation on the adjacent large-diameter fully prefabricated tunnel

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摘要

研究了基坑开挖对临近既有大直径全预制拼装隧道的影响。通过对基坑开挖与隧道结构之间相互作用的分析,探讨了基坑开挖可能引起的隧道结构振动、沉降、变形等影响,并提出了相关的风险控制与减轻措施。以理论分析、数值模拟和实地测量相结合的研究方法,辨明了基坑开挖对既有大直径全预制拼装隧道可能造成的不利影响和潜在风险,为相关工程的风险管理提供了重要指导。

Abstract

The influence of foundation pit excavation on the adjacent large-diameter fully prefabricated tunnel was studied. Through the analysis of the interaction between foundation pit excavation and tunnel structure, the effects of vibration, settlement and deformation of tunnel structure that may be caused by foundation pit excavation are discussed, and relevant risk control and mitigation measures are proposed. Based on the research method of theoretical analysis, numerical simulation and field measurement, this paper identifies the possible adverse effects and potential risks of foundation pit excavation on the existing large-diameter fully prefabricated tunnels, and provides important guidance for the risk management of related projects.

关键词

基坑开挖 / 大直径全预制拼装隧道 / 临近影响 / 风险控制

Key words

foundation pit excavation / large-diameter fully prefabricated tunnel / proximity impact / risk control

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张冰,宋欣,刘建友. 基坑开挖对临近既有大直径全预制拼装隧道的影响研究[J]. 水利水电技术(中英文), 2025, 56(S2): 293-298 DOI:10.13928/j.cnki.wrahe.2025.S2.052

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基金资助

国家自然科学基金项目(59035679)

2002 年高等学校博士学科点专项科研项目(20020183061)

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