Method for leakage water plugging, strengthening and repairing against concrete crack

Abstract

The invention discloses a method for leakage water plugging, strengthening and repairing against a concrete crack. The method comprises a step a of drilling appropriate amount of plugging pulp injection inclined holes in a back face for the concrete crack leakage water, wherein the inclined holes extend to an upstream face of the concrete crack and reach the bottom of the concrete crack; a step b of installing an appropriate amount of pulp seats on an opening of the back face of the concrete crack and sealing the rest part of the opening; a step c of sealing openings of the pulp seats and injecting plugging agents from the plugging pulp injection inclined holes to plug the leakage; a step d of drilling appropriate amount of reinforcing slurry pulp injection inclined holes in the back face when the injection of the plugging agents is finished; and a step e of opening the seals of the pulp seats and injecting the reinforcing slurry from the positions of the pulp seats or the reinforcing slurry pulp injection inclined holes to complete the plugging and the reinforcement of the concrete crack. The method is simple and reasonable in step, the plugging and reinforcement are combined well, and the phenomenon of repeated leakage is avoided by the mode.

Description

technical field [0001] The invention relates to the technical field of crack repair, in particular to a concrete crack leakage water plugging reinforcement repair method. Background technique [0002] Concrete cracks are physical structural changes caused by internal and external factors of the concrete structure, and cracks are the main reason for the reduction of the bearing capacity, durability and water resistance of concrete structures. [0003] Part of the concrete structure plays a water-retaining role in the environment where it is located. When concrete cracks penetrate the backside and frontside, serious water leakage will occur. In some special places, it may cause major engineering accidents. [0004] At present, the repair method of leaking concrete cracks mainly adopts grouting repair method, but the current grouting repair method mainly focuses on plugging. The fundamental reason is that leakage plugging and crack reinforcement are not well combined. Conten...

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Problems solved by technology

[0003] Part of the concrete structure plays a water-retaining role in the environment where it is located. When concrete cracks penetrate the backside and frontside, serious water leakage will occur. In some special places, it may cause major engineering accidents

[0004] At present, the repair method of leaking concrete cracks mainly adopts grouting repair method, but the current grouting repair method mainly focuses on plugging. The fundamental reason is that leakage plugging and crack reinforcement are not well combined

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