【摘要】 南宁永和大桥为跨越邕江南航道的一座特大型钢管混凝土拱桥，针对该桥两个桥型方案的拱肋高度进行了比选研究，介绍了各方案的计算成果以及方案选择的原则等。更多还原

【Abstract】 Yonghe Bridge in Nanning is a steel tube concrete arch bridge in extra large size across the southern water channel of Yong River. This paper has a comparison on the alternatives of arch rib height for two proposed bridge types and provides the each calculation result, as well as the rules for final selection.更多还原