人工挖孔桩技术在下穿铁路框架桥工程中的应用研究  

Application Study of Manual Digging Pile Technology in Underpass Railway Frame Bridge Project

作　　者：牟时珪 Mou Shigui(Gansu Sixth Construction Group Co.,Ltd.,Lanzhou,China)

机构地区：[1]甘肃第六建设集团股份有限公司,甘肃兰州

出　　处：《科学技术创新》2024年第12期148-151,共4页Scientific and Technological Innovation

摘　　要：以下穿既有铁路框架桥项目建设中人工挖孔桩作为铁路线路D型便梁支墩基础,主要分析在铁路线施工场地进行人工挖孔桩作业时的施工工艺流程和关键环节的施工工艺要点、人工挖孔桩出土装置的应用以及安全控制措施,此工程的实施为人工挖孔桩在铁路线路特殊地段提供施工工艺操作参考。The following wear the existing railway frame bridge project in the construction of artificial hole pile as railway line type D beam pier foundation,mainly analysis in the railway line construction site artificial hole pile construction process and key link of construction technology points,the application of artificial hole pile unearthed device and safety control measures,the implementation of the project for railway line artificial hole pile construction process operation to provide reference.

关 键 词：下穿铁路框架桥 人工挖孔桩 成桩工艺 挖孔桩出土装置 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]