Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
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Practical Application of GGBS-Based Alkali-Activated Binder to Secondary Products of Concrete

고로슬래그 기반 알카리 활성 결합재의 콘크리트 2차 제품 적용성 평가

  • Sim, Jae-Il (Department of Architectural Engineering, Kyounggi University) ;
  • Yang, Keun-Hyeok (Department of Architectural Engineering, Kyounggi University)
  • Received : 2010.06.28
  • Accepted : 2010.07.31
  • Published : 2010.10.20
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Abstract

This study examined the practical application of ground granulated blast-furnace slag (GGBS) based alkali-activated (AA) binders for the development of cementless environmental-friendly secondary products of concrete, such as brick, shore protection blocks and interlocking blocks. The addition amount and type of alkaline ion to activate GGBS varied according to the diverse qualities of the secondary products of concrete required in Korean industrial standards (KS) and other specifications. Test results showed that the secondary products of concrete using GGBS-based AA binders surpassed the demanded capacities of KS and other specifications. In addition, shore protection block had a pH value close to neutral, enabling an advantageous environment for marine life. Therefore, the GGBS-based AA binders can be effectively applied to develop eco-friendly secondary products of concrete with reduced $CO_2$.

본 연구에서는 고로슬래그에 기반한 알카리활성 결합재를 이용한 벽돌, 호안용 블록 및 인터록킹 블록을 실험하여 친환경 무시멘트 콘크리트 2차 제품의 적용성을 평가하였다. 알카리활성화제의 종류와 양은 한국산업규격와 시방서의 콘크리트 2차 제품에 대한 요구성능에 따라 결정되었다. 실험결과 고로슬래그에 기반한 알카리활성 콘크리트 2차 제품은 한국산업규격과 시방서의 요구성능을 만족하였다. 특히, 고로슬래그에 기반한 알카리활성 결합재를 사용한 호안용 블록의 pH는 중성에 가까운 수준으로 어류의 식생에도 유리한 환경을 조성하였다. 고로슬래그 기반 알카리활성 결합재는 $CO_2$를 감소하는 친환경 콘크리트 2차 제품에 효과적으로 적용될 수 있다.

Keywords

References

  1. Hong GH, Kim SS. Review of the research trends and certification systems for the environmental concrete. Magazine of the Korea Concrete Institute 2007;19(2):16-21.
  2. Han HS, Jin YM. The future of concrete admixture industry for low carbon green growth. Magazine of the Korea Concrete Institute 2009;21(4):41-43.
  3. Yang KH, Song JK. The properties and applications of alkali-activated concrete with no cement. Magazine of the Korea Concrete Institute 2007;19(2):42-48.
  4. Kukko H, Mannonen R. Chemical and mechanical properties of alkali-activated blast furnace slag. Concrete Research 1982:16.1-16.16.
  5. Glukhovsky VD, Pakhomov VA. Slag-alkali cements and concrete. Budivelnik: 1978.
  6. Wang SD, Pu XC, Scrivener KL, Pratt PL. Alkali-activated slag cement and concrete : a review of properties and problems. Advances in Cement Research 1995;27:93-102.
  7. Yang KH, Song JK, Ashour AF, Lee ET. Properties of cementless mortars activated by sodium silicate. Construction and Building Materials 2008;22(9):1981-89. https://doi.org/10.1016/j.conbuildmat.2007.07.003
  8. Yang KH, Song JK. Workability loss and compressive strength development of cementless mortars activated by combination of sodium silicate and sodium hydroxide. Journal of Materials in Civil Engineering, ASCE 2009;21(3):119-27. https://doi.org/10.1061/(ASCE)0899-1561(2009)21:3(119)
  9. Yang KH, Sim JI, Nam SH. Enhancement of reactivity of calcium hydroxide-activated slag mortars by the addition of barium hydroxide. Construction and Building Materials 2010;24(3):241-51 https://doi.org/10.1016/j.conbuildmat.2009.09.001
  10. Gweok GH, Jee NY, Yoon SC. Experimental study on the practical use of secondary product of concrete contained alkali-activated slag. Journal of The Architectural Institute of Korea Structure & Construction 2007:23(1):121-28.
  11. Korea Industrial Standards. KS. Korean Standards Association; 2006.
  12. Shi C, Krivenko PV, Roy D. Alikail-activated cements and concretees. Taylor & Francis; 2006.
  13. Ministry of Construction & Transportation. The standard specification of river conservation work approval of ministry of construction & transportation, Korea Water Resources Association; 2007.
  14. Seo DS, Jeon JY, Kim JH, Kwon HJ, Park SB. An experimental study on water-purification properties of concrete using effective micro-organisms. Proceedings of the Korea Concrete Institute 2008:757-60.
  15. Jo YK. A study on the pH reduction of cement concrete with various mixing conditions. Journal of The Korea Institute of Building Construction 2008;8(4):79-85. https://doi.org/10.5345/JKIC.2008.8.4.079
  16. Korea Concrete Institute. Building code requirements for structural concrete and commentary. Kimoondang; 2008.

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