Due to special chemical environment, sulfuric acid can be produced in sewerage system. This sulphuric acid may react with hardened cement paste and originate expansive products which can induce swelling and disaggregation of concrete. Therefore, the aim of this paper is to study the strength and acid resistance properties of cementless restorative mortar

• 김재환(에이엠에스엔지니어링 대표이사, 공박) | Kim, Jae Hwan
• 이준(한국건설생활환경시험연구원, 공박) | Lee, Jun
• 이봉춘(한국건설생활환경시험연구원, 공박) | Lee, Bong Chun
• 강석표(우석대학교 건축․인테리어디자인학과 교수) | Kang, Suk Pyo Corresponding Author