Publisher : The Korean Institute of Building Construction
DOI : 10.5345/JKIBC.2016.16.2.107
Title & Authors
An Experimental Study on Evaluation of Bond Strength of Arc Thermal Metal Spaying According to Treatment Method of Water Facilities Concrete Surface Park, Jin-Ho; Lee, Han-Seung; Shin, Jun-Ho;
In this study, the bond strength of metal spraying system by surface treatment of concrete (waterproof/corrosion method) in water treatment facilities was evaluated. The results showed that the system with Sa-P-R-(S) (sanding-perviousness surface hardener-surface roughness agent-metal spraying-sealing) led to the desirable performance. The bond strength, the coefficient of water permeability and air permeability were 3.7MPa, , and , respectively. In scanning electron microscope analysis, the microstructure of specimen coated with perviousness surface hardener was much denser than that without it. Therefore, the specimen coated with sanding-perviousness surface hardener-surface roughness agent-metal spraying-sealing had the best bond performance and was the most suitable system to concrete surface in water treatment facilities.
ozone;water permeability;air permeability;adhesion property;metal spray system;advanced water treatment;
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