Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
권호 표지
DOI QR코드

DOI QR Code

Manufacturing Zero-Cement Bricks by Replacing Cement with Recycled Aggregates and Blast Furnace Slag Powder

  • Park, Kyung-Taek (Department of Architecture Engineering, Cheongju University) ;
  • Han, Cheon-Goo (Department of Architecture Engineering, Cheongju University) ;
  • Kim, Dae-Gun (Department of Architecture Engineering, Cheongju University)
  • Received : 2012.08.14
  • Accepted : 2012.10.23
  • Published : 2013.02.20
Download PDF
⟨ Previous Next ⟩

Abstract

In this study, a zero-cement brick is manufactured by replacing cement with recycled aggregates and blast furnace slag powder. Experimental tests were conducted with standard sized samples of $190{\times}57{\times}90mm$ (KS F 4004), and this manufacturing technique was simulated in practice. Results showed that the zero-cement brick with 0.35 W/B had the highest compressive strength, but the lowest absorption ratio. This absorption ratio of zero-cement brick with 0.35 W/B was lower than the required level determined by KS F 4004. Hence, to increase the absorption ratio, crushed fine aggregate (CA) and emulsified waste vegetable oil (EWO) were used in combination in the zero-cement brick. It was found that the zero-cement brick with CA of 20% and EWO of 1% had the optimum combination, in terms of having the optimum strength development (12 MPa) and the optimum absorption ratio (8.4%) that satisfies the level required by KS. In addition, it is demonstrated that for the manufacturing of zero-cement brick of 1000, this technique reduces the manufacturing cost by 5% compared with conventional cement brick.

Keywords

References

  1. Lee JK. New Material Sufficing Modern Social Demands -Geopolymer-. Journal of the Korea Institute of Building Construction. 2010 December;10(6):27-31. https://doi.org/10.5345/JKIC.2010.12.6.027
  2. Yang GH, Song GK. The Properties and Applications of Alkali-Activated Concrete with No Cement, Journal of the Korea Concrete Institute. 2007 March;19(2):42-8.
  3. Yang GH, Sim JI, Song JK, Lee JH. Material Properties of Slag-Based Alkali-Activated Concrete Brick-Masonry. Journal of Architectural Institute of Korea. 2011 January;27(1):119-26.
  4. Han JS. An Improvement Method on the Using Problem of the Ground Granulate Blast-Furnace Slag as a Concrete Admixture in Ready-Mixed Concrete Plant. Journal of Architectural Institute of Korea. 2003 March;15(2):6-7.
  5. Ministry of Land (KR). [Recycled Aggregates Quality Standard]. Gwa-cheon (Korea): Ministry of Land; 2009. p. 82. Korean.
  6. Lee DH. Problem and Countermeasure of Recycled Aggregates for Concrete. Korean National Housing Corporation. Housing and Urban. 2004 August;83:29-35.
  7. Park KT, Son SK, Han CG. Quality Properties of Zero Cement Blast Furnace Slag Mortar Using the Recycled Fine Aggregates Depending on Mixing Factors. Journal of Architectural Institute of Korea. 2010 September;5(3):69-76.
  8. Park KT, Han CG, Kim DG. Effect of Fine Particle Cement on the Quality of Recycled Fine Aggregates Mortar Using the Blast Furnace Slag Powder. Journal of Architectural Institute of Korea. 2012 September;28(9):131-8.
  9. Agency for Technology and Standards (KR). KS F 4004 [Concrete Bricks]. Gwa-cheon (Korea): Korean Standards Information Center; 2011. Korean.
  10. Han MC, Song RF. Autogenous Shrinkage and Fundamental Properties of the High Strength Mortar Containing Waste Vegetable Oil. Journal of Korea Recycled Construction Resource Institute. 2010 March;5(1):97-102.
  11. Han MC, Kim TC. Autogenous Shrinkage of the High Strength Concrete Using Emulsified Waste Cooking Oil. Journal of Architectural Institute of Korea. 2012 September;28(9):139-46.