摘要
新建贵广铁路四寨二号隧道下穿厦蓉高速公路瑞坡隧道,是在具有不均匀动荷载的浅埋围岩中修建大断面铁路隧道,确保施工过程中隧道上部行车的安全,是施工中的一大难题。对下穿过程中采用中隔墙(CRD)法施工取得成功的经验进行介绍。
According to the construction example of Sizhai 2nd Tunnel of the newly-buih Guiguang Railway under cross Xiarong Expressway Ruipo Tunnel, the paper elaborates and tests the method of partition wall construction to solve the safety problem of surface traffic found in eonstrueiotn.
出处
《铁道建筑技术》
2012年第5期12-16,38,共6页
Railway Construction Technology
关键词
高速公路隧道
中隔墙法施工
预裂爆破
监控量测
expressway tunnel
partition wall(CRD) construction
presplit blasting
controlling survey and measuring