玻璃纤维锚杆在挤压破裂带隧道施工中的应用玻璃纤维锚杆在挤压破裂带隧道施工中的应用 摘要:本文以杉阳隧道出口平导挤压破裂带施工为背景,针对掌子面易挤出变形的特别地质特点的防治,结合现场施工方法,通过玻璃纤维锚杆加固超前核心土后采纳全断面开挖作业能够有效避开开挖后掌子面失稳造成的塌方及突泥等灾害发生,同时能够有效提高施工效率;说明玻璃纤维锚杆对于层间挤压破裂带中的隧道施工具有较好的适应性
关键词:玻璃纤维锚杆;断层破裂带;隧道施工;应用 The application of glass fiber bolt for the construction of tunnel in compresso-crushedzone LI Feng (The 1st Engineering Co
,Ltd Of The 23rd Bureaugroup China Railway , Rizhao 276826 ) Abstract:This paper taking the construction for compresso-crushedzone of Shanyang tunnel as the background, aim at the extrusion deformation of special geological characteristics of the headings, combined with the construction method, the full-face excavation instability caused by landslides and mud outburst disasters can be effectively avoided through reinforcement by the glass fiber bolt, a