(1) The fixed bridge anti-collision device is composed of a collision plate, a reinforcing plate, an energy-dissipating plate, and an energy-dissipating closed-cell material filled in the component, and the overall anti-collision ability of the anti-collision facility is strong. The composite material has the characteristics of anisotropy, which can exert great deformation energy absorption and has a strong buffering deformation ability. The anti-collision facility is compressed and deformed due to the impact force, which converts the kinetic energy of the impacting object into elastic potential energy or internal energy on the one hand, and prolongs the action time of the impacting object and the steel-clad composite anti-collision device on the other hand, thereby reducing the impact force. Through the deformation and collapse or tearing of the steel-clad composite composite face, reinforcing plate and steel-clad composite energy-dissipating plate, the impact force can be effectively dispersed, so as to reduce the impact force on the bridge pier and reduce the damage of the bridge pier and the ship to a large extent
2) The collision surface of the fixed steel-clad composite anti-collision facility is a polygonal structure, which can change the direction of the impact force and the direction of the hull displacement at the moment of impact, and at the same time, the ship is pushed away from the pier and slid along the outside of the anti-collision facility by the action of water flow, so as to take away most of the kinetic energy of the ship, which greatly reduces the energy exchange in the "ship-bridge" impact process. While protecting the bridge from damage, it minimizes the damage of the ship, protects the safety of the ship, and reduces the occurrence of leakage accidents after the collision of the ship.
3) The special coating used on the outer surface of the steel-clad composite anti-collision facility has strong plasticity, fast curing speed, excellent physical and chemical properties, is environmentally friendly, and can be constructed in complex environmentsHigh stability, long-term use under 120, can withstand 150 short-term thermal action.
4) Light weight and good energy consumption. The buffer energy-dissipating material produces energy consumption when the steel-clad composite material anti-collision facility is deformed by impact, and the water absorption rate is low, and the transportation, installation, and replacement are convenient, and the maintenance and replacement are convenient after the unit segment is damaged.
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