悬索桥软质岩隧道锚开挖施工方法及质控措施  

Construction Method and Quality Control Measures for Anchor Excavation of Soft Rock Tunnel for Suspension Bridge

作　　者：朱弘扬 吉星刚 Zhu Hongyang;Ji Xinggang

机构地区：[1]中国建筑材料工业地质勘查中心江苏总队,江苏南京210000

出　　处：《江苏建材》2024年第3期99-101,共3页Jiangsu Building Materials

摘　　要：隧道锚作为悬索桥常用结构,具有开挖施工难度大、施工环境复杂等特点,需要认真勘查施工环境,根据所得结果制定开挖施工方案,确保开挖施工安全顺利完成。文章从悬索桥隧道锚开挖施工的要点入手,围绕实际工程案例,对悬索桥软质岩隧道锚前期环境勘查、机械开挖作业、隧道锚钻爆施工、进行初期支护、隧道出渣、二次衬砌等施工方法进行阐述,并提出质量控制措施,为类似工程施工提供经验指导。As a common structure of suspension bridge,the tunnel anchor has the characteristics of difficult excavation construction and complex construction environment,so it is necessary to carefully investigate the construction environment and formulate the excavation construction plan according to the obtained results to ensure the safe and smooth completion of the excavation construction.Starting from the key points of anchor excavation construction of suspension bridge tunnel,this paper expounds the construction methods such as early environmental investigation,mechanical excavation operation,tunnel anchor drilling and blasting construction,initial support,tunnel slag removal,secondary lining and other construction methods of suspension bridge soft rock tunnel anchor excavation and focusing on actual engineering cases,and puts forward quality control measures to provide experience guidance for similar engineering construction.

关 键 词：悬索桥 软质岩 隧道锚 开挖施工 质量控制 

分 类 号：U227.4[交通运输工程—道路与铁道工程]