KCI Concrete Journal

Korea Concrete Institute (한국콘크리트학회)
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ASR Effectiveness of High Volume Fly Ash Cementitious Systems Using Modified ASTM C 1260 Test Method

  • Shon, Chang-Seon (Dept. of Civil Engineering, Texas A＆M University) ;
  • Kang, Soo-Geon (Dept. of Architectural Engineering, Pusan National University) ;
  • Kim, Young-Su (Dept. of Architectural Engineering, Pusan National University)
  • Published : 2002.06.01
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Abstract

The role of high volume Class F fly ash in reducing expansion due to Alkali-Silica Reaction (ASR) was investigated. A series of modified ASTM C 1260 tests were performed under three different levels of NaOH normality, extending the test period to 28 days, using high- or low alkali cement, and Class F fly ash up to 58 ％ by mass of cement. A reactive siliceous fine aggregate was used. The test results confirm that HVFA replacement in a cementitious system significantly helps in controlling expansion caused by ASR.

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References

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