Composite-material structural bridge

Abstract

The invention discloses a composite-material structural bridge, including a skeleton, guardrails and a stand, wherein the guard rails are located at two sides of the skeleton and are fixedly connectedto the two sides of the skeleton; the skeleton is arranged above the stand, and is fixedly connected to the stand; the skeleton includes main beams and a box iron diagonal braces; the main beams arestaggered to form a rectangular partition, and the box iron diagonal braces are staggered to be arranged in the rectangular partition, and the main beams and the box iron diagonal braces are fixedly connected. Advantages of the invention: as lighter glass fiber reinforced plastics profiles are used, and by setting staggered box iron diagonal braces in the partition of the main beams, the bearing capacity of the bridge deck can be enhanced and the weight can be greatly reduced, which is convenient for transportation. Moreover, by adopting the M-type clamping type which is convenient for fixingthe grille, the installation and fixation can be very convenient, and the transportation and the installation are convenient and practical without the large auxiliary workers.

Description

technical field [0001] The invention relates to bridges, in particular to a composite material structure bridge. Background technique [0002] In the current construction industry, the structures of building bridges are mostly concrete structures, steel structures, aluminum alloy structures, etc.; the concrete structure is relatively large, although the construction is convenient, but the solidification time is long. If the temperature changes greatly in summer and winter, the concrete is easy to appear. Thermal expansion and contraction will cause cracks and concrete corrosion problems, and cracks will appear when the concrete is under stress; although the steel structure is convenient to construct and can be preformed, it has a large proportion. For example, in the roof construction, the roof bearing capacity must be considered. Moreover, the steel structure is easy to rust, and the maintenance cost is high in the later stage; although the aluminum alloy structure has a li...

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Problems solved by technology

[0002] In the current construction industry, the structures of building bridges are mostly concrete structures, steel structures, aluminum alloy structures, etc.; the concrete structure is relatively large, although the construction is convenient, but the solidification time is long. If the temperature changes greatly in summer and winter, the concrete is easy to appear. Thermal expansion and contraction will cause cracks and concrete corrosion problems, and cracks will appear when the concrete is under stress; although the steel structure is convenient to construct and can be preformed, it has a large proportion. For example, in the roof construction, the roof bearing capacity must be considered. Moreover, the steel structure is easy to rust, and the maintenance cost is high in the later stage; although the aluminum alloy structure has a light specific gravity, it is inconvenient to install when it is a large-span structure or a complex structure, time-consuming and labor-intensive, and the cost is high

In many mountainous areas, bridges with traditional structures are difficult to assemble on site, and the speed of bridge construction is slow

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