高架桥预应力孔道补压浆施工技术分析  

Analysis of Supplementary Grouting Construction Technology in Prestressed Ducts of Elevated Bridges

作　　者：汤文军 李荣帅 唐喜 TANG Wenjun;LI Rongshuai;TANG Xi(Shanghai Construction Group Co.,Ltd.,Shanghai 200080,China;Shanghai Construction Technology Prestressing Engineering Co.,Ltd.,Shanghai 200032,China)

机构地区：[1]上海建工集团股份有限公司,上海200080 [2]上海建科预应力技术工程有限公司,上海200032

出　　处：《建筑施工》2024年第5期782-785,共4页Building Construction

基　　金：上海市科学技术委员会资助项目(22dz1201203)。

摘　　要：补压浆施工技术是一种常用的修补和加固技术,主要应用于混凝土结构的裂缝修补、防水处理和强度提升等。结合某高架桥梁预应力钢束锈蚀的病害问题,介绍了预应力孔道补压浆施工技术特点,阐述了该施工技术在实际工程中的应用,为相关领域的研究和实践提供参考,有利于推动该技术在桥梁维修和加固工程中的应用和发展。The supplementary grouting construction technique is a common repair and reinforcement method,primarily used for crack repair,waterproof treatment,and strength enhancement of concrete structures.Combining with the corrosion issues of a specific elevated bridge,this paper introduces the characteristics of the supplementary grouting construction technique in prestressed ducts.It elaborates on the application of this construction technique in practical engineering,providing a reference for study and practice in related fields,and promoting the application and development of this technique in bridge maintenance and reinforcement engineering.

关 键 词：预应力桥梁 补压浆技术 施工工艺 钢筋束锈蚀 

分 类 号：U445[建筑科学—桥梁与隧道工程]