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Coal bottom ash natural radioactivity in building materials

  • Miguel Ángel Sanjuán
  • Begoña Quintana
  • Cristina Argiz
Article
  • 32 Downloads

Abstract

The viability of ground coal bottom ash as a potential Portland cement constituent to be used in building materials is assessed. Currently, coal fly ash is used to produce Portland cements and concretes. However, coal bottom ash is mainly landfilled. Gamma spectrometry analysis, compressive strength, physical and chemical testing were performed. The ground coal bottom ash activity concentration index (I = 1.03) was compared to that of the coal fly ash (I = 1.11) provided from the same thermo-electrical power plant. Ground coal bottom ash could be used in building materials in the same way as coal fly ash as a Portland cement constituent.

Keywords

NORM Industrial residues Cement Radioactivity Activity concentration index Effective dose rate 

Notes

Acknowledgements

This study was realized under the EU’s COST Action TU1301 NORM4BUILDING. http://norm4building.org/.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Cements and Mortars DepartmentSpanish Institute of Cement and Its Applications (IECA)MadridSpain
  2. 2.Physics DepartmentSalamanca UniversitySalamancaSpain
  3. 3.Civil Engineering SchoolPolytechnic University of Madrid (UPM)MadridSpain

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