High-performance bridge structure based on UHPC and FRP materials

Abstract

The invention provides a high-performance bridge structure based on UHPC and FRP materials, and relates to the technical field of bridges, the high-performance bridge structure comprises a base, the upper surface of the base is provided with a bridge floor, the upper surface of the bridge floor is provided with an expansion joint in a penetrating manner, the upper end of the interior of the expansion joint is provided with a placement seam, and the inner end of the placement seam is provided with an expansion guide mechanism; and a plurality of damping and buffering mechanisms are arranged at the lower end in the placing seam. A first guide rod and a second guide rod are used for assisting a bridge floor in thermal expansion and cold contraction work, and in the moving process of the first guide rod and the second guide rod, a shielding block is attached to one end of the first guide rod and one end of the second guide rod, so that the shielding block is fixed through cooperation of a first limiting plate and a first spring; and moving work is carried out along with movement of the first guide rod and the second guide rod, and a gap between the first guide rod and the second guide rod is sealed and shielded, so that outside leaves, garbage bags, plastic bottles and the like cannot enter the expansion joint.

Description

technical field [0001] The invention relates to the technical field of bridges, in particular to a high-performance bridge structure based on UHPC and FRP materials. Background technique [0002] Bridges generally refer to structures erected on rivers, lakes and seas to allow vehicles and pedestrians to pass smoothly. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to cross mountains, poor geology or meet other traffic needs to erect buildings that make traffic more convenient, and the expansion joints inside the bridge are to prevent bridges from appearing due to climate and temperature changes. Thermal expansion and contraction can easily lead to cracks or damage to the bridge structure. However, during the long-term use of the expansion joint, because the upper end of the expansion joint cannot be sealed, the outside leaves, plastic bottles and various impurities will pass through the expansion joint. The u...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a high-performance bridge structure based on UHPC and FRP materials, which solves the problem that leaves, plastic bottles and The problem of various impurities

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