隧道半明半暗法进洞施工  

The Construction of Half Bright and Half Dark Holed Tunnel

作　　者：曹俊杰 

机构地区：[1]中国葛洲坝集团第一工程有限公司,宜昌443002

出　　处：《城市建筑》2014年第11期353-353,共1页Urbanism and Architecture

摘　　要：山区公路沿河、傍山展线时，隧洞洞口受山体的影响，山体斜交，洞口段不可避免地存在偏压和浅埋，从而导致进洞困难。半明半暗进洞法对斜交偏压具有较好的适应性，本文介绍了半明半暗进洞的施工顺序和支护方法，可为类似工程参考。When the mountain highway is along the river and mountain, the tunnel hole is affected by the mountain and mountain oblique. The portal section inevitably exist bias and shal ow buried, which lead to the dif icult into the hole. Half bright and half dark holed method has good adaptability to the oblique bias. This article introduces the construction sequence and the supporting method of half bright and half dark hole, in order to provide reference for similar projects.

关 键 词：隧道 施工 

分 类 号：U455.49[建筑科学—桥梁与隧道工程]