Improved Fire Resistance by Using Different Types of Cements

  • Éva Lublóy
  • Katalin Kopecskó
  • György L. Balázs
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 10)


Composition and microstructure of hardened cement paste have important influences on the properties of concrete exposed to high temperatures. An extensive experimental study was carried out to analyse the post-heating characteristics of concretes subjected to temperatures up to 800 °C. Major parameters of our study were the content of supplementary materials (slag, fly ash, trass) of cement (0, 16 or 25 m%) and the value of maximum temperature. Our results indicated that (i) the number and size of surface cracks as well as compressive strength decreased by the increasing content of supplementary materials of cements due to elevated temperature; (ii) the most intensive surface cracking was observed by using Portland cement without addition of supplementary materials. The increasing content of the supplementary material of cement increased the relative post-heating compressive strength. Tendencies of surface cracking and reduction of compressive strength were in agreement, i.e. the more surface cracks, the more strength reduction.


Fire resistance Concrete Cement Supplementary materials 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Éva Lublóy
    • 1
  • Katalin Kopecskó
    • 2
  • György L. Balázs
    • 1
  1. 1.Department of Construction Materials and TechnologiesBudapest University of Technology and EconomicsBudapestHungary
  2. 2.Department of Engineering Geology and GeotechnicsBudapest University of Technology and EconomicsBudapestHungary

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