Self-repairing concrete anti-collision wall

Abstract

The invention relates to a self-repairing concrete anti-collision wall. The self-repairing concrete anti-collision wall comprises an anti-collision block and a self-repairing assembly installed in theanti-collision block. The self-repairing assembly comprises a glass tube, a polyurethane repairing agent located in the glass tube and a sensor installed on the glass tube; a current generator is arranged in the sensor; the sensor is in signal connection with the current generator; the output end of the current generator is connected with the glass tube; the glass tube is provided with an agent injection port and epoxy resin; the epoxy resin is located at the agent injection port; the epoxy resin and the glass tube form a closed cavity; and the polyurethane repairing agent is injected into aclosed cavity from the epoxy resin at the agent injection port. The anti-collision wall can be automatically repaired when damaged, the service life of the anti-collision wall is prolonged, the maintenance cost of the anti-collision wall is reduced, and the anti-collision wall belongs to the technical field of anti-collision walls.

Description

technical field [0001] The invention relates to the technical field of anti-collision walls, in particular to a self-repairing concrete anti-collision wall. Background technique [0002] At present, many highway bridge anti-collision wall structures in China, especially highway bridge anti-collision walls, due to design problems, improper maintenance and other reasons, most of the concrete of highway bridge anti-collision walls have local cracks, steel bar corrosion, mesh cracks and other diseases, which seriously affect the Requirements for driving safety and normal use of anti-collision walls. Therefore, it is of great significance to use an effective, intelligent, high-tech material and new repair technology for the collision prevention of highway bridges. [0003] The traditional highway bridge anti-collision wall structure often adopts steel plate external reinforcement technology, filled concrete, steel anchor bolt reinforcement, prestress reinforcement and other meth...

AI Technical Summary

Problems solved by technology

[0003] The traditional highway bridge anti-collision wall structure often adopts steel plate external reinforcement technology, filled concrete, steel anchor bolt reinforcement, prestress reinforcement and other methods, but there are problems such as large material weight, poor bonding performance, and untimely repair of cracks.

When the anti-collision wall is affected by various external factors, the concrete will appear spalling damage, local cracks, etc., which will lead to steel corrosion, etc., which greatly reduces the use effect of the anti-collision wall and driving safety.

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