truss-arch structure

This paper introduces the design and construction method of main bridge of the North bridge, which is a half through concrete filled steel tubular truss arch structure.

主要介绍了北门桥主桥中承式钢管混凝土提篮拱结构设计以及主要施工方法。

Through the forced analysis of truss composite arch bridge, the paper introduces the mechanics performance and the advantages used in structure and material.

通过对桁式组合拱桥的受力分析，介绍桁式组合拱桥的力学性能，以及它在结构和材料使用上的优点。

The stiff skeleton is a steel truss structure, which turns into a single cell and single box section of the main arch structure by filling and outsourcing concrete after swivel construction.

劲性骨架为钢管桁架结构，转体施工，之后，通过内填和外包混凝土构成单箱单室箱形截面的主拱结构。