基于盾构掘进影响的基坑支护玻璃纤维筋锚杆应用研究  

Research on the Application of Glass Fiber Reinforced Anchor Rods in Foundation Pit Support Based on the Impact of Shield Tunneling

作　　者：李兆国 宋海争 陈久强 LI Zhao-guo;SONG Hai-zheng;CHEN Jiu-qiang(China Construction Eighth Division Rail Transit Construction Co.Ltd.,Nanjing 210046,China)

机构地区：[1]中建八局轨道交通建设有限公司,南京210046

出　　处：《工程建设与设计》2024年第17期29-31,共3页Construction & Design for Engineering

摘　　要：结合工程实例,分析与盾构隧道连接的基坑在采用锚杆支护的情况下,当盾构掘进通过支护锚杆范围时锚杆与盾构的作用关系,研究锚杆材料、配置参数对盾构的影响因素及影响效果,指出采用玻璃纤维筋作为基坑支护锚杆时对盾构掘进的有益效果,并提供一种基于对盾构影响作用下的玻璃纤维筋锚杆优化的选配设计方法,同时给出实用的计算公式。Based on engineering examples,this paper analyzes the relationship between anchor rods and shield tunneling when the foundation pit connected to the shield tunnel is supported by anchor rods.The factors and effects of anchor rod materials and configuration parameters on the shield tunneling are studied,and the beneficial effects of using glass fiber reinforcement as the foundation pit support anchor rod on shield tunneling are pointed out,and paper provides a selection design method based on the optimization of glass fiber reinforced anchor rodsunder the influence ofshield tunneling,and provides practical calculation formulas.

关 键 词：盾构 基坑支护 锚杆 玻璃纤维筋 

分 类 号：TU753[建筑科学—建筑技术科学]