Cast-in-situ support bearing bracket structure for No. 0 segment of large-span rigid-frame continuous girder
A bracket structure and large-span technology, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as affecting the construction period and increasing material input, and achieve the effects of convenient installation and dismantling, low cost and fast construction.
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[0015] Embodiment of the present invention: No. 0 section of the continuous beam spanning the expressway and the river section, adopts the combined bracket structure of the prefabricated triangular bracket 2, the steel plate corbel 1 in the pre-buried pier body and the connecting piece 3, and the combined bracket adopts The Bailey beam 4 and the Bailey beam 4 are respectively provided with a truss 5 bearing the load of the bottom plate of the box girder and an I-beam distribution beam 6 bearing the load of the wing plate of the box girder. the whole frame.
[0016] The triangular bracket 2 is welded and rigidly connected to the steel plate corbel 1 inside the pre-embedded pier body.
[0017] The connecting pieces 3 are used to connect the triangular brackets 2 on both sides of the pier body.
[0018] The connecting piece 3 is connected by a 32mm-diameter finish-rolled rebar and prestressed.
[0019] Bailey beam 4 adopts 2 sets of pre-assembled on site, and then the car crane...
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