大吨位旋挖灌注桩后注浆施工技术探讨  

Discussion on Post-Grouting Construction Technology of Large Tonnage Rotary Digging Cast-in-Place Pile

作　　者：袁伟 YUAN Wei(Shenzhen Zhongguang Foundation Engineering Co.Ltd.,Shenzhen 518000,China)

机构地区：[1]深圳市中广基础工程有限公司,广东深圳518000

出　　处：《工程建设与设计》2024年第22期217-219,共3页Construction & Design for Engineering

摘　　要：某工程塔楼桩基础施工时,为使桩基承载力满足设计要求,试验采用桩后注浆施工技术。论文介绍了该项目桩基的设计概况、后注浆施工设计及施工流程、注浆管路布置与安装、后注浆浆液配置等内容,并对施工质量进行检查验收。During the construction of tower pile foundation of a project, in order to make the bearing capacity of pile foundation meet the design requirements, the post-pile grouting construction technology is used in the test. This paper introduces the general situation of pile foundation design, post-grouting construction design and construction process, grouting pipeline layout and installation, post-grouting slurry configuration and so on, and checks and accepts the construction quality.

关 键 词：旋挖桩 装管 开塞 后注浆 提高承载力 

分 类 号：TU753.3[建筑科学—建筑技术科学]