Portable composite trekking bridge
A composite material and pedestrian bridge technology, applied in portable bridges, bridges, bridge parts, etc., can solve the problems of difficult carrying, high labor intensity of erection operations, and self-heavy weight, etc., to improve the erection and assembly speed, reduce self-weight, and enhance bearing capacity. effect of ability
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[0029] The present embodiment provides a kind of portable composite material pedestrian bridge, structure such as figure 1 As shown, the pedestrian bridge comprises two main girder assemblies 1 arranged in parallel, and several cross beam assemblies 4 are installed vertically between the two main girder assemblies, and bridge deck 3 is set in the area surrounded by cross girder assemblies 4 and main girder assemblies 1; Assembly 1 includes several bushing beam assemblies 103 connected end to end, bidirectional metal sleeves 101 pass between casing beam assemblies 103, one-way metal sleeves 102 are installed on the two outer ends of main beam assembly 1, and casing beam assemblies 103 is composed of several coaxial pipe fitting units 1031 with successively reduced cross-sections; prestressed cables 2 are installed inside the main beam assembly 1 along its extension direction, and the two ends of the prestressed cables 2 are respectively connected to the main beam The one-way me...
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