Repairing treatment method for penetration of foundation bottom plate for waterproof engineering

Abstract

The invention discloses a repairing treatment method for penetration of a foundation bottom plate for waterproof engineering. The repairing treatment method comprises the following steps that the foundation bottom plate at a penetration position is cut through a cutting machine, then a V-shaped groove is shaved at the penetration position of the foundation bottom plate through tools such as an electric hammer and an electric pick, and a concrete construction joint is shaved in the V-shaped groove; the V-shaped groove is cleared through an air blower, the air blowing time is not less than one minute, and air blowing is stopped when no raising dust exists; and water is injected into the shaved V-shaped groove, thus a basic face is wet, and then redundant water is removed. According to the repairing treatment method, construction is simple and effective, the construction period is short, meanwhile, more concrete layers are exposed through grooving, thus the problem of cracking of the concrete layers of the bottom plate for waterproof engineering can be repaired fundamentally, secondary cracking of the concrete layers is avoided, the engineering quality is ensured, multiple repairing is not needed, waste of human and material resources is avoided, by adopting the repairing treatment method to conduct repairing for customers, the repairing effect is good, and the customer satisfaction degree is high.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a treatment method for infiltration and repair of foundation bottom plates used in waterproofing engineering. Background technique [0002] Epoxy resin refers to the general term for a class of polymers containing more than two epoxy groups in the molecule. It is the polycondensation product of epichlorohydrin and bisphenol A or polyol. Due to the chemical activity of the epoxy group, a variety of compounds containing active hydrogen can be used to open the ring, cure and cross-link to form a network structure, so it is a thermosetting resin. Bisphenol A epoxy resin not only has the largest output and the most complete varieties, but also new modified varieties are constantly increasing and the quality is constantly improving. [0003] Epoxy resins have secondary hydroxyl groups and epoxy groups, and the secondary hydroxyl groups can react with isocyanates. Epoxy resin is ...

AI Technical Summary

Problems solved by technology

Concrete is also used in the production of the waterproof foundation floor. Insufficient vibration during concrete pouring, cold joints caused by discontinuous concrete supply, and lack of concrete insulation and maintenance measures will cause temperature difference cracks, so that the waterproof foundation floor will be damaged. In the event of leakage, by ensuring the timely supply of raw materials, cement with a low heat of hydration and the addition of anti-seepage agent and anti-cracking fiber are used when the volume is large, and the vibration is in place, the surface is closed twice, and the maintenance and heat preservation measures are in place. , such as covering the film for heat preservation and moisturizing can avoid concrete cracking as far as possible, but irregularities in the construction process still cause concrete cracking to occur from time to time

[0006] However, most of the repair methods used in the waterproof foundation floor penetration repair at present only treat the surface, which cannot fundamentally solve the problem of waterproof foundation floor penetration caused by concrete cracks, and cannot achieve the expected purpose. When the repaired concrete after a period of time The problem of cracking will appear again, so it needs to be repaired again, which will cause a waste of manpower and material resources