某中承式拱桥吊杆专项检测及其防护关键要素探究  

The special detection of the boom of a medium-bearing arch bridge and the exploration of the key elements of protection

作　　者：赵崇光 ZHAO Chongguang(Fujian Yongzheng construction quality inspection Co.,Ltd,Fuzhou 350012)

机构地区：[1]福建省永正工程质量检测有限公司,福建福州350012

出　　处：《福建建筑》2025年第1期132-136,共5页Fujian Architecture & Construction

摘　　要：以某中承式吊杆拱桥为工程实例,经现场勘查,发现该桥吊杆主要存在问题为下锚头锚杯均存在锈蚀现象,全桥上下部吊杆钢套管均存在锈蚀现象,吊杆上下部减震体均存在不同程度老化变形。为防止吊杆进一步恶化,故针对以上存在的问题提出吊杆的维修和防护措施。通过以上检测方法,为类似桥型的专项检测提供一定的工程经验。Half-through suspender arch bridge in a city is taken as an engineering example in this paper,On-site investigation,main diseases were discovered,which were corrosion phenomenon in the Anchor Cup of the anchor head,corrosion phenomenon in the whole bridge boom of steel casing,Varying degrees of aging and deformation in the upper and lower part of boom.In order to prevent further deterioration of the derricks,the measures of maintenance and protection are proposed for the existing problems above.Through that,we could provide engineering experience for the special inspection of similar bridges.

关 键 词：组合体系 吊杆 锚头 锈蚀 加固 

分 类 号：TU997[建筑科学—市政工程]