【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 .更多还原

【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.更多还原