摘要
上海市浙江路桥跨越苏州河,为鱼腹式简支钢桁梁结构。在使用超过100 a后,整体移运至岸边进行大修。结合交通需求和结构承载能力,加宽主桁间距,增强交通功能。主桁杆件大部分保留,对锈蚀严重的构件予以更换。对桥面系结构进行更新,并改进防水细节构造,增强耐久性。桥门架、上平联恢复为原有的桁架式结构,人行道栏杆也按原样恢复。大修后,浙江路桥能继续使用50 a。
Zhejiang Road Bridge crossing Suzhou River is a fish-belly simple-supported steel truss girder structure i n Shanghai.After the service over 100 a,the i ntegral is transported to a bank for overhaul.Accordi ng to the traffic demand and structural varying capacity,the space of the main trusses is widened and the traffic function is improved.The most of main truss member bar is reserved,and the seriously rusted components are replaced The structure of deck system is renewed and the waterproof structure details are improved for strengthening the durability.The portal frame and lateral bracing are restored to the original truss structure The sidewalk railing is also restored as it is.After overhaul,Zhejiang Road Bridge can be continuously used for50 a
出处
《城市道桥与防洪》
2017年第1期86-89,共4页
Urban Roads Bridges & Flood Control
关键词
钢桁梁
鱼腹式桁架
铆接
桥梁大修
文物
steel truss beam
fish-belly trussframe
riveting bridge overhaul
historical relic
