A ductile composite bridge deck composed of cold-formed z-shaped steel
A combined bridge and cold bending technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of increasing the repair and maintenance costs of bridge structures, affecting the corrosion resistance and durability of bridge decks, affecting structural fatigue performance, etc. Improve out-of-plane stability, avoid binding steel mesh, and improve construction efficiency
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[0034] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0035] Such as figure 1 and figure 2 As shown, a ductile composite bridge deck composed of cold-formed Z-shaped steel includes the following components: cold-formed and curled Z-shaped steel 1, transverse steel bar 2, and ultra-high toughness concrete 4.
[0036] Such as image 3 As shown, the cold-formed and curled Z-shaped steel 1 is continuously placed side by side along the transverse direction of the bridge deck, and the adjacent shaped steel 1 is welded by two fillet welds 3 to form the steel skeleton of the bridge deck. 5 is the longitudinal direction of the bridge deck.
[0037] Such as Figure 4 As shown, the lower flange of the cold-formed Z-shaped steel 1 is longer, which plays the role of external reinforcement of the plate surface; the upper flange of the cold-formed Z-shaped steel 1 is shorter and has a row of round holes on it. , t...
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