预应力中空注浆锚杆在桥台加固中的应用  

Application of Pre-stressed Hollow Anchor in Abutment Reinforcement

作　　者：骆美勇 汪洋 袁新顺 LUO Mei-yong;WANG Yang;YUAN Xin-shun(CCCC Second Harbor Engineering Construction Technology Co Ltd,Wuhan 430040,China;Hubei Key Laboratory of Advanced Materials & Reinforcement Technology Research for Marine Environment Structures,Wuhan 430040,China)

机构地区：[1]中交二航局建筑科技有限公司,武汉430040 [2]海工结构新材料及维护加固技术湖北省重点实验室,武汉430040

出　　处：《建材世界》2021年第1期63-65,70,共4页The World of Building Materials

摘　　要：预应力空中注浆锚杆是一种较为先进的工法,其集锚固和注浆于一体,与传统锚杆施工工艺相比有着极大的改进,具有施工速度快、锚固性能好、操作简单等施工特点。该文以重庆市国道0212石板大桥为例,详细地阐述预应力中空注浆锚杆在加固项目当中的有效应用以及该技术的施工过程、要点、重点事项以及工程效果。The pre-stressed hollow anchor is the combination of grouting and anchoring.Compared with the traditional anchor construction technology,it has the advantages of fast construction speed,good anchoring performance and simple operation.Taking G212 national highway Shiban Bridge in Chongqing as an example,this paper introduces the concrete application of pre-stressed hollow anchor reinforcement technology,and expounds the construction process,key points,important matters and engineering effects.

关 键 词：预应力 中空锚杆 注浆 桥台加固 

分 类 号：U44[建筑科学—桥梁与隧道工程]