Cold spraying construction method for waterborne uncured asphalt waterproof coating

Abstract

The invention discloses a cold spraying construction method for a waterborne uncured asphalt waterproof coating. The cold spraying construction method mainly comprises the following steps of 1 base surface pretreating, 2 waterborne uncured asphalt waterproof coating spraying, 3 waterborne uncured asphalt waterproof coating surface water evaporation waiting, 4 waterproof cloth covering, 5 waterborne uncured asphalt waterproof coating spraying and 6 protecting layer covering. According to the cold spraying construction method for the waterborne uncured asphalt waterproof coating, cold spraying construction is conducted on the position needing to be constructed by adopting the waterborne uncured asphalt waterproof coating, the waterborne uncured asphalt waterproof coating-polyethylene polypropylene fiber waterproof cloth-waterborne uncured asphalt waterproof coating three-layer structure is adopted and then covered with a protecting layer, and the cold spraying construction method has theadvantages that cracking is prevented, self healing is achieved, water channeling is prevented, the waterproof system is high in strength and long in life, and the waterproof effect is good.

Description

technical field [0001] The invention relates to a cold spraying construction method, in particular to a cold spraying construction method of water-based non-curing asphalt waterproof paint. Background technique [0002] Building waterproofing is an extremely important task for the construction industry. If there is a water leakage problem in a building, it will not only cause discomfort to the indoor environment, but even threaten people's health. At present, the waterproof construction of buildings generally adopts membrane waterproofing, waterproof coating waterproofing, and composite waterproofing combining the two. Although only membrane waterproofing is used with uniform thickness and stable material quality, the lap joints cannot be completely guaranteed during the construction process, and the bonding with the base layer will have an impact on building waterproofing. Only waterproof coatings are used for waterproofing. Although the construction is simple, the adaptab...

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Problems solved by technology

Although the thickness of the membrane is uniform and the quality of the material is stable, the lap joint cannot be completely guaranteed during the construction process, and the bonding with the base layer will have an impact on the waterproofing of the building.

Only waterproof coatings are used for waterproofing. Although the construction is simple, the adaptability to irregular bases and complex joints is strong, and the formed waterproof layer of the coating film has good integrity, but the quality of the waterproof layer is greatly affected by construction factors, and the uniformity of the coating thickness is relatively large. Difficult to control

The composite waterproofing combined with waterproof coating and waterproof coating has greatly improved the waterproof performance and waterproof life, but in the construction, due to the inconsistency between the waterproof coating material itself and the coiled material, such as polymer cement-based coating composite asphalt Coiled material, polyurethane coating composite asphalt coiled material, etc., the bonding between the coating and the coiled material is usually physical bonding rather than chemical bonding, so tearing and peeling will occur in the subsequent use process, causing water leakage and stringing of the composite waterproof layer Leaving hidden dangers; while the general non-curing asphalt coating composite coil has the function of self-healing, non-cracking and anti-water leakage, but it needs hot construction, and the safety and environmental protection of construction are difficult to meet

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