Specimen size effect on the residual properties of engineered cementitious composites subjected to high temperatures

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Erdem T. K.

CEMENT & CONCRETE COMPOSITES, cilt.45, ss.1-8, 2014 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 45
  • Basım Tarihi: 2014
  • Doi Numarası: 10.1016/j.cemconcomp.2013.09.019
  • Dergi Adı: CEMENT & CONCRETE COMPOSITES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1-8
  • Anahtar Kelimeler: Engineered Cementitious Composites (ECC), Specimen size effect, High temperature resistance, Mechanical properties, Pore size distribution, HIGH-PERFORMANCE CONCRETE, MECHANICAL-PROPERTIES, PORE STRUCTURE, COMPRESSIVE STRENGTH, FIBER, EXPOSURE, STRAIN
  • Marmara Üniversitesi Adresli: Hayır

Özet

In this study, size effect on the residual properties of Engineered Cementitious Composites (ECC) was investigated on the specimens exposed to high temperatures up to 800 degrees C. Cylindrical specimens having different sizes were produced with a standard ECC mixture. Changes in pore structure, residual compressive strength and stress-strain curves due to high temperatures were determined after air cooling. Experimental results indicate that despite the increase of specimen size, no explosive spalling occurred in any of the specimens during the high temperature exposure. Increasing the specimen size and exposure temperature decreased the compressive strength and stiffness. Percent reduction in compressive strength and stiffness due to high temperature was similar for all specimen sizes. (C) 2013 Elsevier Ltd. All rights reserved.