铁路桥梁水下墩台基础检测技术研究  

Detection Technology on Underwater Piers Foundation of Railway Bridge

作　　者：刘吉元 王振军 马林 刘静 LIU Jiyuan;WANG Zhenjun;MA Lin;LIU Jing(Railway Engineering Research Institute,China Academy of Railway Sciences,Beijing 100081,China;Institute of Railway Pontoon Bridge on Combat Readiness,Qihe Shandong 251000,China)

机构地区：[1]中国铁道科学研究院集团有限公司铁道建筑研究所,北京100081 [2]铁道战备舟桥处,山东齐河251000

出　　处：《铁道建筑》2020年第5期1-5,10,共6页Railway Engineering

基　　金：中国铁路总公司科技研究开发计划(2017G002-L)。

摘　　要：针对目前铁路桥梁水下墩台基础存在的常见病害,在总结水下检测实践经验的基础上,将铁路桥梁水下检测的内容归纳为外观检查、结构测量、地形地貌、水文检测、无损检测和振动测试6个方面,并阐述了相应的检测方法.根据检测内容的必要性和检测设备的发展水平,将检测内容又划分为一般检测项目和专项检测项目,并通过一般检测项目的典型案例验证了检测方法的可行性.铁路桥梁水下墩台基础检测技术为水下墩台基础的安全评估奠定了基础,补充并完善了铁路桥梁检测体系.In view of the common diseases existing in the underwater pier foundation of the railway bridge at present,based on the summary of the practical experience of the underwater detection,the contents of the underwater detection of the railway bridge are summarized into six aspects,namely,appearance detection,structure measurement,topography and geomorphology detection,hydrological detection,non-destructive detection and vibration test,and the corresponding detection methods are described.According to the necessity of detection content and the development level of detection equipment,the detection content is divided into general detection items and special detection items,and the feasibility of detection method is verified by typical cases of general detection items.The detection technology of underwater pier foundation of railway bridge lays a foundation for the safety assessment of underwater pier foundation,complements and improves the detection system of railway bridge.

关 键 词：铁路桥梁 水下检测 墩台基础 检测技术 一般检测 专项检测 

分 类 号：U446.3[建筑科学—桥梁与隧道工程]