摘要
本文介绍了镇胜高速公路弯腰树隧道洞身段在穿越大型岩溶塌陷区时,所遇到复杂地质条件下塌方施工处治方法及辅助工法.重点介绍了辅助工法中水平和斜向超前小管棚的施工及注浆,选取理由、技术参数及施工要点.
The paper introduced a constructing treatment and the relative auxiliary engineering means to the large karst cave - in that is under complex geological conditions of Wanyaoshu tunnel passed by Zheng---Sheng Express Way. The major points of the auxiliary engineering means were put on the horizontal and inclined forefront small pipe shed and its selection, technical parameters and key points of implementing.
出处
《贵州科学》
2007年第B05期279-281,共3页
Guizhou Science
关键词
公路隧道
岩溶
松散岩体
highway tunnel
karst
loosen rock body
