연구홍보포털

논문 초록 (Abstract)

Currently, the development and diversification of building materials is required along with the demand for multifunctional and high-performance buildings. In addition, the standards of insulation materials have been strengthened by government policies. Accordingly, this study intends to review the cement matrix using ordinary portland cement and powdered cork (BD051) for the development of a new insulation material. As for the experimental plan, through the basic experiment, W/C was selected as 40% and the addition ratio of BD051 was 30, 32.5, 35, 37.5, 40(%). Experimental variables are to examine table flow, air content, density, absorption rate, flexural strength, compressive strength, thermal conductivity and thermal resistance. In addition, the measurement method of experimental items except for thermal conductivity and thermal resistance is conducted and analyzed in accordance with the Korean Industrial Standards (KS). Thermal conductivity and thermal resistance are conducted and analyzed in accordance with ISO 22007 standards. As a result of the experiment, the table flow decreased as the addition ratio of BD051 increased. Air content increased as the addition ratio of BD051 increased. The density decreased as the addition ratio of BD051 increased. The absorption rate increased as the addition ratio of BD051 increased. Both the flexural strength and the compressive strength decreased as the addition ratio of BD051 increased. The thermal conductivity decreased as the addition ratio of BD051 increased. The thermal resistance increased as the addition ratio of BD051 increased. Therefore, as a result of examining the properties of cement matrix using BD051, it is considered that it can be presented as basic research data. In addition, it is determine