Quick unfoldable prestressed steel bridge
A prestressed, steel bridge technology, used in portable bridges, bridges, bridge forms, etc., to achieve the effects of small storage and transportation space, increased structural rigidity, and improved overall structural rigidity
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[0020] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0021] Such as Figure 1-4 Shown, a kind of rapidly expandable prestressed steel bridge comprises bridge deck 1, diaphragm bar 2, two or more expandable prestressed steel frames; the bridge deck is laid on the top diaphragm bar, The expandable prestressed steel frame is located under the bridge deck, and the expandable prestressed steel frame includes a scissor bar 3 and a steel cable 4, and the two ends and the middle part of the scissor bar 3 are connected to the diaphragm bar 2 , the steel cable 4 is a prestressed steel cable, and the method of laying cables inside the profile is adopted; the expandable prestressed steel bridge is fixed on the ground through a support, and an anchor rod 5 is arranged at the support.
[0022] Such as Figure 5 As shown, the bridge deck 1 is arranged on both sides of the bridge deck width, and the middle part of t...
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