Steel plate holder and skew spike combined rapid connecting steel and UHPC (ultrahigh performance concrete) combination structure system
A technology of quick connection and composite structure, applied in bridge parts, erection/assembly of bridges, bridge materials, etc. The effect of lateral stiffness
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[0028] 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 the UHPC sheet 2 laid on the steel beam 1 and the combined shear member 3 and high-strength bolts 6 welded on the steel beam 1. It is combined by nail welding and fixed through the high-strength bolts 6 through the reserved holes on the steel plate support.
[0029] The oblique pegs are pegs with a diameter of 30 mm.
[0030] The length of the hypotenuse of the steel plate support 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.
[0031] The bridge deck is made of UHPC sheets with mixed fibers, and its thickness is determined according to the bearing capacity requirements and geometric conditions such as the arrangement of shear members. The mixed fiber...
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