复杂条件下大断面隧道施工关键技术研究  

Research on Key Technologies for Large Section Tunnel Construction under Complex Conditions

作　　者：赵建华 ZHAO Jian-hua(Yellow River Co.,Ltd.,Zhengzhou 450000,China)

机构地区：[1]中国水利水电第十一工程局有限公司,郑州450000

出　　处：《价值工程》2024年第35期83-86,共4页Value Engineering

摘　　要：随着城市建设的不断推进,在复杂的条件下,大断面隧道建设面临的挑战也在不断增加。本文主要对基坑支护开挖技术、隧道抗浮加固技术、桩基托更换技术、监控控制技术等方面的大断面隧道复杂条件下的施工关键技术进行了研究。对基坑开挖对隧道的影响及桩基托更换过程的仿真情况进行了数值模拟与分析。同时提出了包括监控系统设计和执行、安全控制策略的制定和执行在内的施工监控和安全控制策略。本文旨在通过上述研究,为大断面隧道建设提供重要的技术支撑和复杂条件下的施工指导。With the continuous advancement of urban construction,the challenges faced by the construction of large section tunnels are also increasing under complex conditions.This article mainly studies the key construction technologies for large section tunnels under complex conditions,including excavation technology for foundation pit support,anti floating reinforcement technology for tunnels,replacement technology for pile foundation supports,and monitoring and control technology.Numerical simulation and analysis were conducted on the impact of foundation pit excavation on tunnels and the simulation of pile foundation support replacement process.At the same time,construction monitoring and safety control strategies were proposed,including the design and implementation of monitoring systems,as well as the formulation and implementation of safety control strategies.This article aims to provide important technical support and construction guidance under complex conditions for the construction of large section tunnels.

关 键 词：大断面隧道施工 复杂条件 关键技术 数值模拟 监测与控制 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]