摘要
通过对某连拱隧道施工现场的调研,针对连拱隧道施工存在的问题,提出了利用喷射混凝土梁解决中墙顶部空洞问题,针对分段爆破、预裂爆破问题,提出了隧道开挖造成隧道破坏的解决方案。
Through the research on an arch tunnel construction site,in light of the exisisting problems in arch tunnel,it proposes the use of sprayed concrete wall beams to solve the problem at the top hole.As for the problems in sub-blasting and pre-split blasting,it puts forward a solution to the damage caused by tunnel excavation.
出处
《山西建筑》
2010年第15期334-335,共2页
Shanxi Architecture
关键词
连拱隧道
中墙结构
防排水
arch tunnel
wall structure
drainage prevention