摘要
西范灌区东扩工程2#隧洞全长2 440 m为土质隧洞,洞身为马蹄形断面。文中叙述了具体的洞挖及喷锚支护施工技术,包括洞挖前的施工准备工作、测量放线、洞脸施工、洞身开挖、初期支护和施工监测。
The 2# tunnel of eastern expansion project of the Xifan Irrigation District is an earth tunnel and 2400 meters long. The tunnel cross-section is horseshoe. Excavation technology and anchoring and shotcreting support technology were introduced in this research,which include construction preparation before tunnel excavation,surveying and lining,tunnel face construction,tunnel body excavation,first stage support and construction monitoring.
出处
《山西水利科技》
2016年第3期101-105,共5页
Shanxi Hydrotechnics
关键词
马蹄形隧洞
开挖
喷锚支护
horseshoe tunnel
excavation
anchoring and shotcreting support