高垄口小净距隧道主要工序施工技术浅论

Discussion the Construction Techniques in Main Working Procedures in Gaolongkou Tunnel with Small Free Distance

介绍高垄口小净距隧道超前支护、洞身开挖、中夹岩柱加固、锚喷支护、监控量测等关键工序的施工方法及施工技术要点。

This paper introduces the construction methods and key points of some critical working procedures adopted in Gaolongkou Tunnel with small fee distance such as the advance support, tunnel excavation, and reinforcement of the intermediate rock pillar, shotcrete rockbolt support, and monitoring measurements.