Casting device for bridge deck slab of steel-concrete composite beam bridge: Fid-Bau Portal

Casting device for bridge deck slab of steel-concrete composite beam bridge

ZHAO JIANGANG / LI MAOXING / KIM DONG-HWA / GAO HUI / TAO YONG

A load-bearing structure comprises a main body load-bearing frame above a bridge deck slab and a formwork system load-bearing truss below the bridge deck slab, the load-bearing structure above the bridge deck slab mainly adopts a longitudinal and cross beam truss structure, and is supported on the top surface of a steel beam through front, rear and middle supporting legs; the formwork bearing truss below the bridge deck slab is connected with the bearing structure above the bridge deck slab through the vertical truss and the pull rod to form a whole. The template system is divided into a steel beam indoor cantilever template system and an outdoor cantilever template system; the walking system comprises walking wheels, a track and traction power; the accessory system comprises an operation platform, a formwork adjusting device and an electric hoist used for horizontally transporting materials. The device takes the top surface of the steel beam of the composite beam as a support, can automatically move and adjust, can be used for completing the operations of steel bar installation, concrete pouring, prestress tension and the like of the bridge deck slab, does not need other auxiliary measures, and can realize the direct construction of the steel-concrete composite beam bridge deck slab on the steel beam.

本发明涉及一种用于钢混叠合梁桥桥面板浇筑装置，承重结构包含桥面板以上主体承重框架以及桥面板以下模板系统承重桁架两部分，桥面板以上承重结构主要采用纵、横梁桁架结构，通过前后以及中支腿支撑在钢梁顶面，桥面板以下模板承重桁架通过竖向桁架以及拉杆同桥面板以上的承重结构连接，形成整体；模板系统分为钢梁室内以及室外悬臂两部分模板系；行走系统包括行走轮、轨道及牵引动力；附属系统包括操作平台、模板调节装置、用于水平运输材料的电动葫芦。该装置以叠合梁的钢梁顶面作为支撑，可自行移动及调整，利用此装置可完成桥面板的钢筋安装、混凝土浇筑、预应力张拉等操作，无需其他措施辅助，可实现钢混叠合梁桥桥面板在钢梁上的直接施工。

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