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大跨径钢管混凝土拱桥缆索吊装施工方案选择
Alternatives About Cableway Erection of Long Span Arch Bridge with Conerete-filled Steel Tube
【摘要】 介绍并讨论了以龙潭河大桥 2 0 8m中承式钢管混凝土主拱跨和 2 0 m简支梁边跨缆索吊装施工法为背景的缆索系统施工方案的选择等问题 ,提出了科学合理的划分钢管拱安装节段的必要性和大跨径拱桥缆索吊装塔扣架一体化的可行性 .
【Abstract】 The Alternatives of erection with cableway construction methods in longtan River Bridge with a middle supported main span of 208 m concrete filled steel tube arch and the side supported span of 20 m are introduced and discussed in this paper.The necessary of rational installation segment in steel tube arch and the feasibility of a long span arch with an integrated installation tower and erection with cableway are put forward.
【关键词】 钢管混凝土拱桥;
缆索吊装;
龙潭河大桥;
方案选择;
【Key words】 concrete filled steel tube arch bride; cableway erection; longtan river bridge; alternatives;
【Key words】 concrete filled steel tube arch bride; cableway erection; longtan river bridge; alternatives;
【基金】 湖北省交通科技项目资助! (计划文号 :鄂交技 [1998] 15 8)
- 【文献出处】 武汉交通科技大学学报 ,Journal of Wuhan Transportation University , 编辑部邮箱 ,2000年06期
- 【分类号】U445.38
- 【被引频次】33
- 【下载频次】263