填海滩涂地区盾构隧道近距离桩基施工技术  

Construction Technology of Pile Foundation Close to Shield Tunnel in Reclamation Area

作　　者：卢建文 蔡庆军[1] 李天隆 李宗阳 虎宏亮 LU Jia nwen;CAI Qingjun;LI Tianlong;LI Zongyang;HU Hongliang(China Construction Eighth Engineering Division Co.,Ltd.Southchina Branch,Guangzhou,Guangdong 510663,China)

机构地区：[1]中国建筑第八工程局有限公司华南分公司,广东广州510663

出　　处：《施工技术》2021年第6期22-25,共4页Construction Technology

基　　金：中建八局科技研发项目:填海滩涂区全埋轨道交通群上盖不停航改扩建机场工程关键施工技术研究(2019-3-33)。

摘　　要：深圳宝安国际机场卫星厅西北指廊上跨穗莞深城轨盾构隧道,在填海滩涂地区复杂地质条件下,对邻近地下盾构隧道的桩基施工进行研究。通过采用数值模拟、液压多功能钻机成孔、套管护壁、成桩与监测控制等技术手段,形成填海滩涂地区盾构隧道近距离桩基施工技术,有效保护隧道结构,提高成桩质量和施工效率,较好地完成施工任务。The northwest corridor of the satellite hall of Shenzhen Bao'an International Airport crosses the shield tunnel of Guangzhou-Dongguan-Shenzhen Intercity Rail Transit.The pile foundation construction of adjacent underground shield tunnel is studied in accordance with the complicated geological conditions of reclamation beach area.By application of numerical simulation,hydraulic multifunctional drilling hole,wall protection with casing,pile-forming and monitoring control as well as other technical means,a construction technology of short distance pile foundation of shield tunnel in reclamation beach area was formed,which can not only effectively protect the tunnel structure,but also improve the pile-forming quality and construction efficiency,better completing the construction task.

关 键 词：机场 卫星厅 盾构 隧道 填海滩涂 桩基 

分 类 号：TU753.3[建筑科学—建筑技术科学]