Evaluation of Moisture and Gas Permeability of Surface Treated Concrete Member under Accelerated Weathering Condition

Abstract

It publishes the results of research work that studied to prevent the deterioration and conserve the building of architectural concrete. We accepted and compare the two coverings of concrete which were surface impregnation materials and coating agent, and verify the effect of moisture, gas permeability and neutralization control. As a result, it was clarified as follows. (1)The surface impregnation materials don’t change appearance compared with plane concrete, but it have not neutralization control. (2)The surface coating agents have visual change, but it have high effect on neutralization control. (3)It anticipates the correlation between gas permeability and neutralization control, but not between moisture concrete and neutralization control. It is necessary to apply the other methods of inspection.