Comparison of X-ray Shielding Performance according to the Weight of unit volume of Heavy Weight Concrete Utilizing Electric Arc Furnace Oxidizing Slag.

전기로 산화슬래그 골재를 활용한 중량 콘크리트의 단위 용적 중량 변화에 따른 X-선 차폐 성능 비교

Electric arc furnace oxidizing slag from massively produced steel slag has been used in road bases and subbases, hot mix asphalt, and landfill. Electric arc furnace oxidizing slag contains iron (15%~30%) and has a high density of 3.0~3.7 ton/m3. Depending on the type and amount of concrete aggregates, the radiation-shielding characteristics can vary. Therefore, aggregates of electric arc furnace oxidizing slag can be considered for the production of radiation-shielding concrete. The experimental design of this study is experiments on Compressive strength experiments, X-ray irradiation experiments, and experiments related to the unit volume weight were carried out on hardened concrete. This experiment compared the performance evaluation of radiation shielding of concrete using electric arc furnace oxidizing slag.