钻孔电视成像法在预应力管桩完整性检测的辅助应用研究  

Research on Auxiliary Application of Borehole Television Imaging Method in Integrity Detection of Prestressed Pipe Piles

作　　者：赵志刚 Zhao Zhigang(China Railway Fifth Survey and Design Institute Group Co.,Ltd.,Beijing,China)

机构地区：[1]中铁第五勘察设计院集团有限公司,北京

出　　处：《科学技术创新》2025年第8期142-145,共4页Scientific and Technological Innovation

摘　　要：基于钻孔电视成像法桩身完整检测原理,结合实际工程典型案例,对钻孔电视成像法在桩身完整性检测的辅助作用进行分析研究,钻孔电视成像发现试桩1#12.0米接缝处存在问题,实测结果与实际相吻合,桩长数据相符,充分验证了检测结果的准确性。证明了钻孔电视成像法辅助低应变检测预应力管桩在评价完整性方面的有效性。通过本文的研究,可以得出结论:钻孔电视成像法在预应力管桩完整性检测中具有显著的优势,能够辅助判断管桩的接头问题和桩身完整性,为钻孔电视成像法在地质勘探、建筑结构物内部缺陷分析等领域的应用提供了参考。This article introduces the principle of drilling television imaging method to detect the integrity of pile body,and combined with actual typical cases,analyzes and studies the auxiliary role of drilling television imaging method in the research and evaluation of pile body integrity.Drilling television imaging finds that there are problems at the joint of test pile 1#12.0 meters,and the measured results are consistent with the actual data,and the pile length data is consistent.The accuracy of the test results is fully verified.It is proved that borehole television imaging method is effective in evaluating the integrity of prestressed pipe piles.Through the research of this paper,it can be concluded that the drilling television imaging method has significant advantages in the integrity detection of prestressed pipe piles,which can assist in judging the joint problems and the integrity of the pile,and provide a reference for the application of borehole television imaging in the fields of geological exploration and internal defect analysis of building structures.

关 键 词：完整性检测 钻孔电视成像 管桩 低应变法 

分 类 号：TU473.1[建筑科学—结构工程]