福州市河道施工对临近地铁结构的安全稳定性影响分析与对策

Analysis and countermeasures of influence of river construction on safety and stability of adjacent subway structure in Fuzhou City

临近地铁的其他工程施工时,往往会产生明显扰动,易对既有地铁隧道等结构造成不良影响。对此,以福州市燕浦河工程为背景,采用数值模拟的方法,根据河道临近既有隧道的特点,围绕既有隧道结构的安全稳定性展开探讨。通过采取隔离桩和水泥搅拌桩的加固措施,用实践证明该方法的安全有效,可为同类工程建设提供借鉴和参考。

The construction of other projects near the subway often produces obvious disturbance, which is easy to cause adverse effects on the existing subway tunnel and other structures. Based on the background of yanpu river project in fuzhou city, this paper discusses the safety and stability of existing tunnel structure based on the characteristics of existing tunnel near the river by numerical simulation method. By adopting the reinforcement measures of isolation pile and cement mixing pile, the practical prove that the method is safe and effective, which can provide reference for the construction of similar projects.