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1工程概述中铁四局武广二标一项目队承担武广客运专线DK1474+600～DK1529+171．28段施工任务,本管段全长40．917Km,其中采用CFG桩复合地基加固段施工的桩长约为117万多延米,桩设计按正三角形布置,直径50cm,间距为1．3～2．0m不等。本管段沿线高阶地垄岗区上覆第四系地层,主要为第四系中更
1 Project Overview China Railway IV Bureau Wu Guang two standard one project team assume the Wuhan-Guangzhou passenger dedicated line DK1474 +600 ~ DK1529 +171.28 segment construction tasks, the total length of 40.917Km, of which the use of CFG pile composite foundation reinforcement pile construction The length of about 1.17 million meters, pile design according to the triangle layout, diameter 50cm, spacing of 1.3 ~ 2.0m range. The high-level area along the line of Ridge overlying the Quaternary strata, mainly in the Quaternary more