Steel plate bracket-cluster type inclined nail fast assembled steel-UHPC thin plate combined structural system
A combined structure and steel plate technology, applied to bridge parts, bridge materials, bridges, etc., can solve the problems of complex construction process and inconvenient implementation, and achieve the effects of improving integrity, crack resistance, and high tensile strength
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[0029] The invention is a novel high-performance steel-UHPC sheet composite structure system and an interface connection technology adapted thereto. The structural system mainly includes UHPC thin plates 2 laid on steel beams 1 and combined shear members 4 connected by high-strength friction bolts 3, where combined shear members 4 are composed of steel plate supports 5 and large-diameter oblique short nails 6 And the short nails 7 on the front and back end faces are combined.
[0030] The short nails are large pegs with a diameter of 30 mm.
[0031] The length of the hypotenuse of the steel plate meets the diameter of the short nail and welding requirements, and the thickness of the steel plate support is determined according to the length of the hypotenuse and the inclination angle.
[0032] The bridge deck is made of UHPC sheet with mixed fiber configuration, the thickness of which is about 50mm, and the mixed fiber is made of straight steel fiber with a volume content of 1...
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