预应力对拉锚杆在桥头引道石砌挡土墙加固中的应用  

Application of Pre-Stressed Tension Anchor in Reinforcement of Blank-Stone Retaining Wall at Bridge Approach

作　　者：段艳菊 DUAN Yan-ju(Dalian Municipal Design&Research Institute Co.Ltd.,Dalian 116021,China)

机构地区：[1]大连市市政设计研究院有限责任公司,辽宁大连116021

出　　处：《工程建设与设计》2025年第5期144-146,共3页Construction & Design for Engineering

摘　　要：结合工程实例,分析了桥头引道石砌挡土墙病害产生原因,提出了对拉预应力锚杆加固方案,阐述了该技术设计时需要考虑的构造布置及计算要点,介绍了该技术加固施工步骤。项目的成功实施证明了在处理石砌挡土墙外倾问题时该方法是一种合理有效的加固方法。Based on the engineering examples,the causes of the retaining wall of the bridge approach stone are analyzed,and the reinforcement scheme of the prestressed anchor rod is put forward.This paper expounds the structural layout and calculation points of the technical design,and introduces the successful implementation of the project proves that the method is a reasonable and effective reinforcement method when dealing with the dumping problem of stone retaining wall.

关 键 词：预应力对拉锚杆 桥头引道 石砌挡土墙 加固 

分 类 号：U455.72[建筑科学—桥梁与隧道工程]