Effect of Prewetted Pumice Aggregate Addition on Concrete Properties under Different Curing Conditions

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KABAY N., KIZILKANAT A. B., Tufekci M. M.

PERIODICA POLYTECHNICA-CIVIL ENGINEERING, cilt.60, sa.1, ss.89-95, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 60 Sayı: 1
  • Basım Tarihi: 2016
  • Doi Numarası: 10.3311/ppci.7767
  • Dergi Adı: PERIODICA POLYTECHNICA-CIVIL ENGINEERING
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.89-95
  • Anahtar Kelimeler: Curing conditions, frost resistance, mechanical properties, pumice, shrinkage, HIGH-PERFORMANCE CONCRETE, FREEZE-THAW RESISTANCE, LIGHTWEIGHT AGGREGATE, AUTOGENOUS SHRINKAGE, STRENGTH, PREVENTION
  • Yıldız Teknik Üniversitesi Adresli: Evet

Özet

This study researches the effects of different curing conditions on the properties of high strength concrete containing presoaked pumice aggregate (PA). Fine normal weight aggregate is substituted by an equal volume of 1h and 24h presoaked PA at 50% and 100% fractions and a total of five concrete mixtures were prepared. After kept in water, air and hot weather, the performance of concretes were evaluated by determining their physical and mechanical properties at 28 days. Hot weather was found to be the most detrimental condition where the highest strength drops were observed. Frost resistance of concretes was improved with the use of presoaked PA at 50% replacement ratio. The use of presoaked PA also decreased the shrinkage values of concrete specimens. The results showed that the use of presoaked PA in high strength concrete at 50% replacement ratio could contribute to concrete properties when exposed to inadequate curing conditions.