基于超前支护的高速公路隧道施工技术及应用  

Construction Technology and Application of Highway Tunnels Based on Advanced Support

作　　者：张永青 ZHANG Yongqing(China Railway 24th Bureau Group Nanchang Railway Engineering Co.,Ltd.,Nanchang,Jiangxi Province,330009 China)

机构地区：[1]中铁二十四局集团南昌铁路工程有限公司,江西南昌330009

出　　处：《大众科学》2024年第24期142-144,共3页China Public Science

摘　　要：为确保隧道施工的安全和高效,超前支护施工技术应运而生。分析了超前管棚、超前小导管、超前锚杆3种常见超前支护的类型与技术特点,重点阐述了高速公路隧道施工技术应用方法,包括超前管棚支护施工、超前小导管支护施工、超前锚杆支护施工、施工监测等工序环节,旨在利用超前支护技术有效提升地层承载能力,确保隧道施工的安全和高效。In order to ensure the safety and efficiency of tunnel construction,advanced support construction technology has emerged.This article analyzes the types and technical characteristics of three common advanced supports:advanced pipe shed,advanced small conduit,and advanced anchor rod.It focuses on the application methods of highway tunnel construction technology,including advanced pipe shed support construction,advanced small conduit support construction,advanced anchor rod support construction,and construction monitoring.Intended to effectively enhance the bearing capacity of the strata through advanced support technology,ensuring the safety and efficiency of tunnel construction.

关 键 词：超前支护 高速公路隧道 超前管棚 超前小导管 超前锚杆 

分 类 号：U455.7[建筑科学—桥梁与隧道工程]