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ENVIRONMENTALLY-FRIENDLY SURFACE PROTECTION LAYER FORMATION METHOD FOR ENHANCED DURABILITY, PREVENTING SALT DAMAGE OF CONCRETE STRUCTURE AND STEEL STRUCTURE AND NEUTRALIZATION, WATERPROOFING, AND ANTICORROSION USING ELASTIC POLYMER COMPLEX MATERIAL
ENVIRONMENTALLY-FRIENDLY SURFACE PROTECTION LAYER FORMATION METHOD FOR ENHANCED DURABILITY, PREVENTING SALT DAMAGE OF CONCRETE STRUCTURE AND STEEL STRUCTURE AND NEUTRALIZATION, WATERPROOFING, AND ANTICORROSION USING ELASTIC POLYMER COMPLEX MATERIAL
An environment-friendly surface protection method is provided to increase durability of a concrete structure and a steel structure by preventing salt damage and neutralization and having waterproofing and corrosion-proofing functions using elastic polymer composite materials. An environment-friendly surface protection method for preventing salt damage and neutralization of a concrete structure and a steel structure and having waterproofing and corrosion-proofing functions using elastic polymer composite materials comprises the steps of: surface-finishing the surface of a concrete structure and a steel structure to remove laitance and impurities by wet-air jet grinding; washing the surface of the concrete structure and the steel structure to remove dust using a high-pressure washer; applying elastic putty materials on the surface of the concrete structure and the steel structure; forming a primer layer on the surface of the concrete structure and the steel structure using ceramic resins; forming a primary elastic membrane by applying and drying a composite for the formation of a primary elastic membrane including organic/inorganic composite resins and phase transition materials on the upper part of the primer layer; forming a secondary elastic membrane by applying and drying a composite for the formation of a secondary elastic membrane including organic/inorganic composite resins, phase transition materials and purifying materials on the upper part of the primary elastic membrane; curing the surface of the concrete structure and the steel structure primarily for 1~2 days at the temperature of 15~25°C and the relative humidity of 50~70% to minimize the harmful influence of temperature, load, impact, stain or damage; forming a degradation preventive layer by applying a composite for the formation of a degradation preventive layer including organic/inorganic composite resins, an emission for a panchromatic band and an emission for a far-infrared wavelength range on the cured surface of the concrete structure and the steel structure; and curing the surface of the concrete structure and the steel structure secondarily for 24 hours at the temperature of 20°C and the relative humidity of 70%.
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