Steel-concrete combined structure double-deck continuous girder bridge
A combined structure, steel-concrete technology, applied in bridges, bridge parts, bridge materials, etc., can solve problems such as affecting the aesthetics of urban buildings, uncoordinated and monotonous bridge environment, etc., to achieve effective use of structural space, reduce road space pressure, The effect of reducing the overall width
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[0052] As shown in Figures 2 to 14, the steel-concrete composite structure double-layer continuous girder bridge of the present invention combines the characteristics of steel truss girders and traditional steel plate girder composite structures, and it includes bridge piers 1, steel girders 2 and bridge decks 3, bridge piers 1 supports the steel girder 2, and the steel girder 2 supports the bridge deck 3, wherein the steel girder 2 is mainly composed of a hollow steel web 21, a small longitudinal beam 22 and a cantilevered upper beam 23, and the bridge deck 3 is composed of The prefabricated low-rib bridge deck blocks 35 are assembled and connected by pouring joints. The steel web 21 adopts an I-beam structure, and the inner side of the steel web 21 is provided with vertical stiffeners 13 (see FIG. 6 ) at a certain interval to enhance its local rigidity. The small longitudinal girder 22 is located below the longitudinal centerline of the bridge deck 3. According to the load o...
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