富水圆砾地层联络通道加固选型及应用

Selection and Application of Soil Reinforcement Method for Connecting Aisle in Water-rich Round-gravel Stratum

针对南宁市富水圆砾地层特性,对适应该地层的盾构隧道联络通道加固工法进行比选分析,并对研究结果进行现场实例验证。结果表明,素砼连续墙帷幕加注浆加固工法和人工冻结法在风险控制、环境保护方面有较好的优势,可为类似工程提供一定的借鉴经验。

According to the characteristics of Nanning water-rich round gravel stratum,comparison analysis is made of the reinforcement methods appropriate for the formation of the connecting passage of shield tunnel.The results of study showed that the plain concrete continuous wall curtain grouting reinforcement method and artificial freezing method have better advantages in the aspect of risk control and environmental protection,which may provide certain reference for similar projects.