摘要
某中承式钢管混凝土系杆拱桥,在运营过程中,中跨下游的跨中吊杆出现松弛退出工作现象,结合该桥实际状况,经综合分析,决定对问题吊杆立即予以更换。文章重点介绍了在吊杆更换过程中,吊杆索力、拱肋及桥面变形的监测情况,监测情况表明,吊杆更换之后,桥梁恢复正常运营状态。
The suspender of the bridge which is a half-through concrete-filled steel tubular tied arch bridge appears stress relaxation in service.Considering the actual situation of the bridge and with the comprehensive analysis,the suspender which has stopped work must be replaced.The paper introduces the monitoring of cable force,arch rib and deck deformation in the process of suspender replacement.It shows that the bridge is in normal operation condition after replacement.
出处
《现代交通技术》
2012年第6期40-42,共3页
Modern Transportation Technology
关键词
桥梁工程
系杆拱桥
吊杆更换
施工监测
bridge engineering
tied arch bridge
suspender replacement
construction monitoring
作者简介
作者简介：刘全芝（1973一），男，山东茌平人，高级工程师，主要从事房屋工程、道路桥梁工程施工技术和质量控制措施的研究、质量监督和现场管理工作。
