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为研究复合地层条件下超大断面浅埋暗挖隧道曲线顶管施工参数分布规律,以港珠澳大桥珠海连接线关键控制性工程——拱北隧道为依托,基于拱北隧道暗挖段管幕工程施工现场实测数据,采用统计分析、线性拟合等方法,总结了现场曲线管幕工程主要施工参数分布规律,建立了不同计算方法的线性拟合函数,在此基础上,提出了适用于估算珠海地区海陆相富水复杂地层顶管施工迎面阻力计算公式。
In order to study the distribution rule of curve pipe jacking construction parameters of super-large cross-section undercut tunnel under complex formation conditions, and based on Gongbei Tunnel, a key control project of Zhuhai-Zhuhai-Zhuhai-Zhuhai connecting line, The measured data of the field, using statistical analysis, linear fitting and other methods, summed up the distribution of the main curved pipe curtain wall construction parameters, established a different method of linear fitting function, on this basis, proposed for estimating Zhuhai area Onshore Resistance Computation Formula for Jacking Construction in Sea - Water Rich Complex.