主拱为桁架式双拱肋，钢管拱纵向分13段制造，采用无支架缆索吊机安装、钢绞线斜拉扣挂施工。
The steel pipe arch was manufactured in 13 segments vertically, erected by cable crane without support and clasped by diagonal tension steel strand.
初步分析了一种常用桁架的自应力状况，这一分析方法对一般桁架的自应力分析有参考价值。
An adaptive state of a usual truss is primarily analyzed. This method is valuable to analyze the adaptive stress of truss.
并采用多目标最优化的一阶分析法来进行桁架拱桥的形状控制及构件尺寸确定。
This paper researches into the analysis method about steel truss arch bridge based on multi-objective optimization.
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