岩溶山区运营隧道突水涌沙机制及处理措施研究

戴志仁, 胡瑞青, 王泽宇, 赵启超

doi:10.3973/j.issn.2096-4498.2023.S2.041

隧道建设 >

2023 , Vol. 43 >Issue S2: 369 - 377

DOI: https://doi.org/10.3973/j.issn.2096-4498.2023.S2.041

规划与设计

岩溶山区运营隧道突水涌沙机制及处理措施研究

展开

（1. 中铁第一勘察设计院集团有限公司，陕西西安 710043； 2. 陕西省铁道及地下交通工程实验室，陕西西安 710043； 3. 江苏海洋大学土木与港海工程学院，江苏连云港 222005）

戴志仁（1981—），男，江苏溧阳人，2010年毕业于同济大学，隧道及地下建筑工程专业，博士，正高级工程师，主要从事隧道及地下工程方面的设计与研究工作。 Email： dzrzss@126.com。

网络出版日期: 2024-03-28

收起

Mechanism and Treatment Measures of Water and Sand Inrush in Operational Tunnel in Karst Area

Expand

(1. China Railway First Survey & Design Institute Group Co., Ltd., Xi′an 710043, Shaanxi, China; 2. Shaanxi Railway and Underground Traffic Engineering Key Laboratory, Xi′an 710043, Shaanxi, China; 3. Jiangsu Ocean University, School of Civil and Ocean Engineering, Lianyungang 222005, Jiangsu, China)

Online published: 2024-03-28

Fold

摘要

为解决岩溶山区运营隧道突水涌沙难题，采用工程类比与理论分析相结合的方法，对区域地下水径流与泥沙物源进行分析，揭示岩溶山区隧道突水涌沙机制，并基于“以堵为主、限量排放”的衬砌结构设计原则，加强防排水措施。研究结果表明： 1）隧道开挖阶段应确保围岩得到有效加固并形成帷幕效应，减小衬砌结构承受的水压力，兼顾水环境保护与隧道安全的双重需要； 2）运营期涌水量大时可考虑设置泄水洞引排地下水，泄水洞位置应结合地下水径流来水方向、泄水洞与正线隧道的相对位置关系、泄水洞最低点与洞口位置等综合确定，并考虑重力流自然引排。

关键词： 岩溶; 山区运营隧道; 断层; 突水涌沙; 泄水洞

本文引用格式

戴志仁, 胡瑞青, 王泽宇, 赵启超 . 岩溶山区运营隧道突水涌沙机制及处理措施研究[J]. 隧道建设, 2023 , 43(S2) : 369 -377 . DOI: 10.3973/j.issn.2096-4498.2023.S2.041

Abstract

Water and sand inrush in operational mountain tunnel in karst areas is common. Therefore, engineering analogy and theory analysis are employed to explore the groundwater runoff and sediment resource, revealing the sand inrush mechanism from tunnel drainage hole. A lining structure design principle, grouting sealing and limited discharge, is designed, and waterproof measures are enhanced. The research results reveal that: (1) Surrounding rocks should be effectively reinforced to form waterproof curtain, reduce the water pressure acted on lining, and guarantee the underground water environment protection and tunnel safety. (2) Drainage tunnels should be arranged when the water inflow is out of control, and the positions of the drainage tunnels can be determined based on the groundwater runoff direction, the positional relationship between drainage and operational tunnels, the lowest position of drainage tunnel, and the tunnel exit location. The gravity flow drainage method can be adopted.

Key words： karst area; mountain tunnel; fault; water and sand inrush; drainage tunnel

Options

文章导航

〈

〉

模态框（Modal）标题

摘要

本文引用格式

Abstract