在役桩基完整性检测技术研究进展  

Research progress in detection technology of in-service pile foundation integrity

作　　者：张磊[1,2] 杨炎华 刘建波[1,4] Zhang Lei;Yang Yanhua;Liu Jianbo(CCCC Second Harbor Engineering Company Ltd.,Wuhan 430040;Key Laboratory of Transport Industry for Large Span Bridge Construction Technology,Wuhan 430040;Research and Development Center of Transport Industry for Intelligent Manufacturing Technologies of Transport Infrastructure,Wuhan 430040;CCCC Highway Bridges National Engineering Research Centre Co.,Ltd.,Beijing 250073)

机构地区：[1]中交第二航务工程局有限公司,武汉430040 [2]长大桥梁建设施工技术交通行业重点实验室,武汉430040 [3]交通运输行业交通基础设施智能制造技术研发中心,武汉430040 [4]中交公路长大桥建设国家工程研究中心有限公司,北京250073

出　　处：《工程建设》2019年第10期56-60,共5页Engineering Construction

摘　　要：由于在役桩基存在承台、桩帽、盖梁等上部结构,现有桩基完整性检测技术难以实施应用,在役结构桩基完整性检测仍是一个世界级的技术难题。针对该难题,双速度法、超震波法、弯曲波法、旁孔透射法、电磁波CT法、动力荷载法等各种检测技术被提出。本文简要介绍了各检测技术的基本原理,结合工程实例中应用的效果,综合论述了各种检测技术的优缺点以及应用范围,以期为检测人员找出可行的检测技术,更好地服务工程实践。Due to the existence of upper structures as pile caps and bent caps etc.,it is difficult to implement and apply the existing pile foundation integrity detection technology which is a world-wide technical challenge.In view of this problem,various pile detection techniques have been proposed,such as double velocity method,ultraseismic method,bending waves method,parallel seismic method,electromagnetic wave CT method,dynamic load method.The fundamentals of each pile detection technology are briefly introduced in this paper,and based on the application effect of engineering examples,the advantages and disadvantages of each detection technology and its application range are described comprehensively,so as to find out feasible detection technologies for inspectors in engineering practice.

关 键 词：在役桩基 桩基完整性检测 低应变动测法 旁孔透射法 电磁波CT法 动力荷载法 

分 类 号：TU473[建筑科学—结构工程]