摘要
结合南秋台Ⅱ号隧道工程概况,针对黄土隧道的特性,从洞身开挖、钢拱安装和锚喷支护三方面介绍了初期支护(Ⅱ类围岩)内轮廓线的控制方法,为类似工程提供了参考依据。
Combined with general engineering condition of Nanqiutai No. 2 tunnel, the author introduces the method to control inner contour line in primary support from cave excavation, steel arch installation and shotcreting support in light of the characteristics Of loess tunnel, in order to offer a reference for similar engineering.
出处
《山西建筑》
2008年第4期328-329,共2页
Shanxi Architecture
关键词
初期支护
控制
隧道
洞身
施工要点
primary support, control, tunnel, cave, construction elements
