五跨异形拱连续梁桥设计

The Design of Five-span Irregular-Shape Arch Continuous girder Bridge

山东临沂市蒙山大道祊河大桥经过多轮方案比选,最终确定采用五跨异形拱连续梁桥,主桥跨径组合为55m+100m+ 120m+100m+55m。该桥设计充分注重结构本体的景观功能及桥体与沿河景观规划的协调,三道斜跨在桥面两侧的钢制拱肋,宛如错落有致的彩虹凌空飞渡。对该桥的结构设计特点、构造与施工要点等进行了简要介绍。

After the comparison of the design plans of the Beng River Bridge which is located in Mengshan avenue Linyi Shandong province,the design of five span irregular-shape arch continuous girder bridge was adopted.The main bridge spans are 55+100+120 +100+55m.The structure landscape harmonizes well with the planning along the river.Three steel arch ribs span diagonally over the bridge like a rainbow.Features of the structure,constructional detail and key techniques are presented.