摘要
结合工程概况,为确保进洞和洞内施工安全,对隧道进、出口及洞内部分段均采用89长管棚超前支护的施工技术进行了详细介绍,为类似情况的隧道长管棚施工提供一定的借鉴。
Combined with the engineering situation, the author detailedly introduces the construction technology of the advance support by using the Ф89 long pipe roof in the tunnel entrance, the tunnel exit and the section of the tunnel for the construction safety of the tunnel entrance and the tunnel, which provides the reference for the similar construction of the long pipe roof in the tunnel.
出处
《山西建筑》
2008年第26期303-304,共2页
Shanxi Architecture
关键词
隧道
止浆墙
长管棚
注浆
扩大洞室
tunnel, preventing-grout wall, long pipe roof, grouting, enlarging cavern
