폐내화물 및 탈황석고의 치환율 변화에 따른 3종 고로슬래그 시멘트와 순환잔골재를 사용하는 모르타르의 품질향상

Enhancement in the quality of mortar which uses uses 3-type blast-furnace slag cement and circulated fine aggregate, according to replacement ratio changes of waste refractories and desulfurized plaster

Recently amongst Korea's construction companies there has been heightened interest in environment load reduction and resource recycling. As a result, the construction industry is examining recycled materials alternative to cement and blast-furnace slag (BS henceforth) cement, such as waste refractories and desulfurized plaster. This study analyzes the liquidity and intensity characteristics of mortar according to changes in replacement ratios of waste refractories and desulfurized plaster, used as industry by-products in mortar environments that use BS 3-type cements and circulated fine aggregate. As a result, the greater the increase in replacement ratios of desulfurized plaster, the greater the increase in liquidity and air quantity, as well as compression strength.