公路隧道建设中喷射混凝土支护施工工艺研究  

Research on the Construction Technology of Shotcrete Support in Highway Tunnel Construction

作　　者：胡伟 HU Wei(Sichuan Highway Engineering Consult Supervision Company,Ltd.,Chengdu,Sichuan Province,610200 China)

机构地区：[1]四川公路工程咨询监理有限公司,四川成都610200

出　　处：《科技资讯》2024年第23期181-183,共3页Science & Technology Information

摘　　要：现代公路隧道工程,喷射混凝土逐渐成为主流的初期支护形式,利用混凝土面层来维持隧道侧壁结构稳定状态,预防围岩变形失稳等安全事故发生,对提高隧道施工水准、保证现场生产安全有重要意义。对公路隧道工程中喷射混凝土支护施工技术要点进行分析,详细阐述了混凝土制备、隧道侧壁处理、混凝土喷射、养护验收等环节的操作方法,并提出喷射混凝土支护施工阶段的优化控制措施,旨在为以后喷射混凝土支护施工技术在公路隧道工程中的具体运用提供有益经验与借鉴。In modern highway tunnel engineering,shotcrete has gradually become the mainstream form of initial support.The use of concrete surface layer to maintain the stability of tunnel sidewall structure and prevent safety ac-cidents such as deformation and instability of surrounding rock is of great significance for improving tunnel con-struction level and ensuring on-site production safety.This paper analyzes the main technical points of shotcrete support construction in highway tunnel engineering,elaborates on the operational methods of concrete preparation,tunnel sidewall treatment,concrete spraying,maintenance and acceptance,and proposes optimization control mea-sures for the shotcrete support construction stage,aiming to provide useful experience and reference for the specific application of shotcrete support construction technology in highway tunnel engineering in the future.

关 键 词：公路隧道 喷射混凝土支护 施工工艺 注浆 

分 类 号：U455.7[建筑科学—桥梁与隧道工程]