In this study, it was developed geopolymer concrete of alkali-activated using the mixed fly ash and blast furnace slag. and it was developed the interlocking block using the developed geopolymer concrete. In addition, the bending strength and water absorption rate of the interlocking block was tested by KS standard. The test results were as follows. The water adsorption ratio of the BSF4 specimen was under 10%, and the flexural strength of that was over 5MPa

• 하기주(경일대학교, 건축학부, 정교수) | Ha, Gee-Joo
• 이동렬(경일대학교, 건축학부, 조교수) | Yi, Dong-Ryul 교신저자
• 하재훈(사)건설기술정책연구원, 선임연구원) | Ha, Jae-Hoon