吉利黄河大桥桥型选择与总体设计

Bridge Type Selection and General Design of Jili Yellow River Bridge

洛阳吉利黄河大桥是洛阳市310国道至吉利区快速通道跨越黄河天堑的标志性工程,由于黄河本身特殊的地理特性,使得在黄河上修建长高大跨度桥梁难以在桥型方案上做出选择。本桥在综合考虑了周边环境、使用功能、经济技术及社会效益等多方面因素后确定采用主辅引桥方案,并对桥跨布置、塔冠、塔柱尺寸以及拉索布设均进行了专题研究,力求体现出现代桥梁美学的设计理念。

Luoyang city Jili Yellow River Bridge which connects National Highway No.301 with Jill district fast-track is the landmark building spanning Yellow River natural moat. It is difficult to select the bridge type project of long-span high bridge spanning Yellow River because of the geographic speciality of Yellow River. The main and auxiliary approach bridge scheme is ascertained by considering surrounding environment, using function, economic technology, social benefit and other fac- tors synthetically, and the bridge＇s span, dimension of tower crown and tower column, as well as the cable layout are studied specifically, striving to incarnate the design idea of modern bridge aesthetics.