Box girder construction method through using multiple hold hoops and trusses for supporting Bailey truss based on large-span box girder
A box girder construction, long-span technology, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of difficult to meet the span, few supporting nodes, difficult construction, etc., and achieve significant economic and social benefits and safety. High, easy and fast installation effect
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[0041] In order to deepen understanding of the present invention, reference will be made below to the attached figure 1 ~ attached Figure 12 , the embodiments of the present invention are described in detail, the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.
[0042] The present invention relates to a box girder construction method based on a large-span box girder multi-clamp truss supporting a Bailey bracket, comprising the following steps:
[0043] 1) A number of hoops 2 are installed on each pier column 1, and hoop webs 22 are arranged on the hoops 2, combined with the attached image 3 As shown, the hoop 2 is spliced by two holding plates 21. The holding plate 21 adopts a flexible plate body without annular stiffeners. The diameter of the inner circle of the holding hoop 2 is s...
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