钻孔桩桩身缺陷取芯注浆修复  

Repair of Defects in Bored by Pile Body Core Extraction and Grouting

作　　者：翁功伟 何飞剑 WENG Gongwei;HE Feijian(Ningbo Construction Engineering Group Co.,Ltd.,Ningbo 315040,Zhejiang,China;Zhongtian Construction Group Co.,Ltd.,Hangzhou 310008,Zhejiang,China)

机构地区：[1]宁波建工工程集团有限公司,浙江宁波315040 [2]中天建设集团有限公司,浙江杭州310008

出　　处：《建筑施工》2023年第6期1057-1059,共3页Building Construction

摘　　要：针对钻孔灌注桩施工过程中会因施工工艺、材料、外部环境等因素导致桩身出现不同程度的离析、夹泥、孔洞或断桩等质量问题的情况,提出一种经济、有效的桩身取芯注浆修复的施工方法,总结了修复过程中的相关经验,以期为类似工程提供参考。As to the quality problems such as segregation,mud inclusion,holes,or pile breakage that may occurs on pile body in varying degrees during the construction process due to factors such as construction technology,materials,and external environment,an economical and effective construction method for core extraction and grouting repair of bored piles is proposed,and relevant experience in the repair process is summarized,so as to provide reference for similar projects.

关 键 词：钻孔灌注桩 质量缺陷 修复 高压注浆 

分 类 号：TU753[建筑科学—建筑技术科学]