同时，对拱脚和系梁连接节点处进行了结构优化，解决了拱脚处受力复杂的问题。
Meanwhile, the connecting nodes of the arch foot and the tie bar are structurally optimized to solve the problem of complicated forces on the arch foot.
综合介绍了钢桁架拱桥适宜的几种施工方法，并对拱上吊机和缆索吊机的特点进行了比较。
Paper introduces several suitable construction methods of steel trussed arch Bridges and compares the different features between crane on the arch and cable crane.
对压力拱拱体进行定义，通过应力分析确定拱体的边界，并用数值分析方法对拱进行分析。
The pressure arch was defined, and its boundary was determined based on stress analysis.
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