考虑地下水环境的多断裂区隧道修建研究  

Study on the construction of tunnels in multi-fault zones considlering groundwater environment protection

作　　者：张海东[1] Zhang Haidong(China Railway Shanghai Design Institute Group Corporation Limited,Shanghai 200070,China)

机构地区：[1]中铁上海设计院集团有限公司,上海200070

出　　处：《山西建筑》2025年第8期143-149,共7页Shanxi Architecture

基　　金：中铁上海设计院集团有限公司科技研究开发计划课题(集20-48)。

摘　　要：富水环境下的隧道建设会引发一系列的地下水环境及隧道结构力学灾变问题。南京至句容城际轨道交通工程青龙山隧道工程,其隧址区是一级水源涵养地和二级水源保护区,地下水环境的保护十分重要。为此,依托该工程实践,通过地质探测明确断层分布,采用数值模拟分析多断裂区隧道稳定性;结合断裂结构面富水性分析和数值模拟,分析隧道施工及运营期的渗流场变化,在考虑渗流场变化基础上,完善了考虑保护地下水环境不受破坏情况下进行工程建设的防排水施工措施。工程实践效果良好,可以为多断裂区隧道施工提供科学依据,保障工程安全,也可以为环境保护与可持续发展贡献技术支持。Tunnel construction in water-rich environments can lead to a series of issues related to groundvwater conditionsand the structural mechanics of the tunnel.The Qinglongshan Tumnel Project of the Intercity Rail Transit from Nanjing toJumrong,located in a prinary water conservation area and water soumce protection zone,emphasizes the crucial importanceof preserving the groundwater enviro nment.Leveraging this project,geological exploration is enployed to identify fault dis-tributions,and numerical sitnulations are utiliaed to analyse the stability of the tunnel in a multi-fault zone.Through an a-nalysis of permeability changes during tunnel construction and operation,considering variations in the seepage field,pro-tective measumes for preserving the groundwater environment are improved based on sound engineering practices.The re-sults demonstrate effective outcomnes,providing a scientific basis for the construction of tunnels in multi-fault zones,,ensu-ring project safety,and contributing technical support to environmental protection and sustainable development.

关 键 词：岩溶隧道 断裂 数值模拟 渗流场 防排水 

分 类 号：TU997[建筑科学—市政工程] U455.46[建筑科学—桥梁与隧道工程]