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Characteristics of geopolymer based on recycling resources

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2012, 22(3), pp.152-157
  • DOI : 10.6111/JKCGCT.2012.22.3.152
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : April 13, 2012
  • Accepted : June 11, 2012

Yooteak Kim 1 Hyunjung Kim 1 Changsub Jang 1

1경기대학교

Accredited

ABSTRACT

In this study, geopolymer was prepared with reject ash and blast furnace slag using NaOH as an alkali activator and water glass. The aim of this study was to investigate the compressive strength variation according to the contents of NaOH and water glass and replacement ratio of reject ash (RA) and blast furnace slag (BS). The compressive strength measured after 28 days was 38.91 MPa for the geopolymer which consist of 100 % of BS with 1 wt% NaOH and 3 wt%water glass. The major factor for improving compressive strength was the alkali activator proportion and the replacement ratio of RA and BS.

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