安庆市振风大道人行天桥为两跨中承式异型拱桥,拱肋线形采用一种偏态异型不对称的拱轴线,形似拉长的字母m,拱肋线条流畅,桥梁外型美观。实践表明,采用这种异型拱轴曲线的钢结构拱桥,其结构轻巧,建筑高度较小,用材节省,施工工艺简单,工期较短,比较适合于城市立交和跨线桥。也表明该桥型拱肋线条流畅,桥梁外型美观,容易与周围环境协调,美学特点表现突出,不失为一种较好的桥梁造型。 Anqing City Zhenfeng Avenue Pedestrian Bridge is a two-span mid-span special-shaped arch bridge, Arch rib shape using a skewed asymmetric arch axis, the shape of the elongated letter m, Arch ribs smooth, beautiful bridge appearance. The practice shows that the steel arch bridge with this special-shaped arch axis curve has the advantages of light structure, small construction height, material saving, simple construction process and short construction period, and is more suitable for urban interchanges and overpass bridges. Also shows that the bridge arch rib lines smooth, beautiful bridge appearance, easy coordination with the surrounding environment, outstanding aesthetic performance, after all, a better bridge shape.