Steel and bamboo combined box girder
A combination box and steel bamboo technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of slow growth of forest resources, seldom application of wood structures, scarcity of wood resources, etc., and achieve good physical and mechanical properties and processing performance. The effect of reducing the amount of structural engineering and improving economic indicators
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[0031] Example: refer to Figures 1 to 4 As shown, a steel-bamboo composite box girder includes a top plate 1, and two bottom plates 2 located below the top plate 1, each bottom plate 2 and the top plate 1 are connected by two symmetrically arranged corrugated steel webs 3, and the top plate 1. It is made of several single-piece bamboo plywood boards 4 arranged side by side with the same height and whose length is set along the driving direction of the bridge through prestressed steel bars 5. The bamboo plywood 4 is compressed by the prestressed steel bar 5, and the corrugated steel web 3 is connected with the top plate 1 and the bottom plate 2 by the shear steel sheet 6.
[0032] In the present invention, installation holes for prestressed steel bars 5 to pass are arranged in the top plate 1 and the bottom plate 2. The prestressed steel bars 5 are horizontally arranged at the same height and both ends are fixed with pier head anchors 7. The prestressed steel bars 5 are ma...
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