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钢管混凝土拱桥拱肋架设的施工方法之一少支架施工法主要适用于在桥下水位不深或拱肋离地面不高,通过缩窄河道可有足够开阔场地时采用,其特点是技术要求低、操作容易、拱肋节段标高易控制且稳定性好,工程费用低,施工速度快。文章详细介绍了少支架安装施工方法适用条件、操作步骤及施工要点,并进行了应用举例。
One of the construction methods of arch rib of CFST arch bridge The construction method of less scaffolding is mainly used when the water level in the bridge is not deep or the arch rib is not high from the ground and can be provided with enough open space by narrowing the river channel, which is characterized by low technical requirement , Easy to operate, arch rib segment easy to control and good stability, low construction costs, construction speed. The paper introduces the applicable conditions, operation steps and construction points of the construction method of less bracket in detail and carries out the application example.