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Manufacture of melting temperature controllable modified sulfur (MS) and its application to MS concrete

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2014, 24(6), pp.261-267
  • DOI : 10.6111/JKCGCT.2014.24.6.261
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

김진희 1 JINSUB CHOI 1 No-Hyung Park 2

1인하대학교
2한국생산기술연구원

Accredited

ABSTRACT

In this study, we manufactured melting temperature controllable modified surfur (MS) and studied the propertiesof sulfur modified cement concrete (SMC). We investigated the effects of sulfur and pyridine content on meltingtemperature of MS. The reaction is confirmed by measuring Raman spectrophotoscopy. The SMC was produced at Water(W)/Cement (C) = 45 wt%, Sand (S)/Aggregate (A) = 45 wt% and 5, 10, 15 and 20 % of MS on the basis of conventionalportland cement, respectively. And then physical properties such as compressive strength, splitting tensile strength andpermeability of SMC were measured. As MS added, permeability was decreased, while strength and spalling propertieswere improved. To confirm the safety of MS and SMC, pyrolyzed gas chromatography (P-GC) and gas hazard test wereconducted. The results showed that MS and SMC were relatively safe at an elevated temperature.

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