Road bridge prefabricated small box girder type invisible cap beam temporary support system and construction method thereof
A temporary support, small box girder technology, applied in bridges, bridge construction, bridge parts, etc., can solve the problems of being limited to the scope of the bearing platform, increasing the disassembly and assembly of the support system, and improving the efficiency of bridge deck construction.
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Embodiment 1
[0080] Such as figure 1 As shown, this embodiment discloses a cantilever support system for the support of prefabricated small box girder type concealed cover girders of road bridges; including main girder 11, main pier support system, and side pier support system; wherein:
[0081] The main girder 11 is along the lateral side of the road bridge pier (the lateral direction refers to the width direction of the road bridge deck, and the attached figure 1 It is arranged in two sections, which are the main beam section a supported by the main pier support system and the main beam section a supported by the side pier support system at one end and spliced with the main beam section a at the other end. Beam beam section b, road bridge pier includes main pier and side pier; main pier includes main pier cap 21 and main pier column 22 located on main pier cap 21, side pier includes side pier cap 31 and is located on side pier The side pier column 32 on the bearing platform 31.
[00...
Embodiment 2
[0119] Such as Figure 16 As shown, the difference between Embodiment 1 of the present invention and Embodiment 2 is that the support system described in this embodiment is a temporary support system for a prefabricated small box girder type concealed cover girder of a long-span road bridge, wherein: the main girder 11 consists of three sections The main beam section is spliced together, and the three main beam sections are respectively the main beam section a, the first main beam section b, and the second main beam section b; among them, the main beam section a and the main truss system 25 Assembly; the first main beam section b, one end is supported on the side pier cap of the first side pier, and the other end is spliced with one end of the main beam section a; the second main beam section b, one end is supported on the second On the side pier cap of the side pier, the other end is spliced with the other end of the main beam section a. In addition, in this embodiment...
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