一种大直径压力型抗浮锚杆底板加固技术  

Reinforcement Technology for Bottom Plate of Large-diameter Pressure Type Anti-floating Anchor Rod

作　　者：戴国鸿 李敏子 朱效民 张茂泽 王宏伟 DAI Guohong;LI Minzi;ZHU Xiaomin;ZHANG Maoze;WANG Hongwei(China Third Construction Engineering Company Ltd.of China Construction Second Engineering Bureau,Beijing 100070,China)

机构地区：[1]中建二局第三建筑工程有限公司,北京100070

出　　处：《建筑施工》2023年第10期1956-1958,1962,共4页Building Construction

摘　　要：为解决地下室部分区域因锚杆向上位移较大而产生的楼板开裂现象,以广东省广州市某公建项目为研究对象,采用了一种独特的压力型抗浮锚杆底板加固技术。通过对比普通钢筋锚杆,对加固方法、材料选型、理论参数等进行研究分析,优化施工技术流程,总结了包括施工原理及工艺在内的相关内容,旨在为其他此类工程提供借鉴。To solve the problem of floor cracking in some areas of the basement caused by significant upward displacement of anchor rods,a unique pressure type anti-floating anchor rod bottom plate reinforcement technology is adopted for a public building project in Guangzhou,Guangdong Province.By comparing with the ordinary steel bar anchor rods,the research and analysis are performed on reinforcement methods,material selection,theoretical parameters,etc.,the construction technology process is optimized,the relevant content including construction principles and processes is summarized,so as to provide reference for other similar projects.

关 键 词：抗浮锚杆 黏结预应力 底板加固 大直径压力型 

分 类 号：TU753[建筑科学—建筑技术科学]