In construction industry, large scales of construction waste has been produced with consumption of natural resources, but its efficient reutilization has not been sufficient yet. Therefore, this study has a main objective of using high volume of recycled aggregate by investigate the effect of replacement ratio of natural coarse aggregate by recycled one on the strength of concrete.

• 이승택(한서대학교 토목공학과, 석사과정) | Lee Seung-Taek
• 정희영(한서대학교 토목공학과, 석사과정) | Jung Hee-Young
• 김상철(한서대학교 토목공학과, 교수) | Kim Sang-Chel