小净距下穿道路隧道管幕多管同时顶进施工技术  

Construction Technology of Multi-tube Jacking of Curtain in Road Tunnel with Small Clear Distance

作　　者：李德柱 杨之光 高岩 刘宝作 LI De-zhu;YANG Zhi-guang;GAO Yan;LIU Bao-zuo(China Railway Ninth Bureau Group Co.,Ltd.,Dalian 116600,China)

机构地区：[1]中铁九局集团有限公司,大连116600

出　　处：《价值工程》2023年第23期94-96,共3页Value Engineering

摘　　要：本文结合文林山隧道下穿道路及既有构筑物施工实例,详尽地论述了上、下部基坑开挖、掌子面及反力墙背土处理、管幕材料的加工、施工控制精度及控制方法、管幕施工工艺流程等内容。该技术在浅埋下穿道路及构筑物隧道施工中针对性强,实践效果理想。Combined with the construction examples of the underpass road and existing structures of Wenlinshan Tunnel,this paper discusses in detail the excavation of the upper and lower foundation pits,the soil treatment of the palm face and the back of the reaction wall,the processing of tube curtain materials,the precision and control method of construction control,and the technological flow of tube curtain construction.This technology has strong pertinence in the construction of shallow buried road and structure tunnel,and the practical effect is ideal.

关 键 词：小净距 下穿 隧道 施工 技术 

分 类 号：U45[建筑科学—桥梁与隧道工程]