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Cement Mortars with Addition of Fly Ash from Thermal Transformation of Sewage Sludge and Zeolite

Author

Listed:
  • Paweł Ogrodnik

    (Institute of Safety Engineering, The Main School of Fire Service, 52/54 Słowackiego Street, 01-629 Warsaw, Poland)

  • Gabriela Rutkowska

    (Institute of Civil Engineering, Warsaw University of Life Sciences, 166 Nowoursynowska Street, 02-787 Warsaw, Poland)

  • Jacek Szulej

    (Faculty of Civil Engineering and Architecture, Lublin University of Technology, 40 Nadbystrzycka Street, 20-618 Lublin, Poland)

  • Mariusz Żółtowski

    (Institute of Civil Engineering, Warsaw University of Life Sciences, 166 Nowoursynowska Street, 02-787 Warsaw, Poland)

  • Aleksandra Powęzka

    (Faculty of Safety Engineering and Civil Protection, The Main School of Fire Service, 52/54 Słowackiego Street, 01-629 Warsaw, Poland)

  • Artur Badyda

    (Faculty of Building Services, Hydro- and Environmental Engineering, Warsaw University of Technology, 00-653 Warsaw, Poland)

Abstract

The aim of research was an influence evaluation of fly ash and zeolite on selected parameters of cement mortar. The scope of the research includes studies of composition and properties of fly ash itself from the thermal transformation of sewage sludge and natural zeolite (clinoptilolite). The research also included the determination of selected mechanical properties of designed mortars, both under normal conditions and after initial thermal loads. A mortar was designed based on CEM I 42.5 R Portland cement with different content of the applied additive in the amount of 5, 10 and 15% of the cement weight. In the course of experimental work, the bending strength of mortars heated at 20, 300, 500, 700 °C were tested. The resulting beam halves (40 × 40 × 160 mm) were used to test the compressive strength. The collected results made it possible to compare the properties of the mortars. The experiment confirmed the possibility of producing cement mortars modified with fly ash from thermal transformation of sewage sludge and zeolite from tuff deposits. The average compressive strength for the mortar containing 5% fly ash and zeolite was set at 28.7 and 27.1 MPa, respectively.

Suggested Citation

  • Paweł Ogrodnik & Gabriela Rutkowska & Jacek Szulej & Mariusz Żółtowski & Aleksandra Powęzka & Artur Badyda, 2022. "Cement Mortars with Addition of Fly Ash from Thermal Transformation of Sewage Sludge and Zeolite," Energies, MDPI, vol. 15(4), pages 1-21, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:4:p:1399-:d:749616
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    References listed on IDEAS

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    1. Aleksandra Powęzka & Paweł Ogrodnik & Jacek Szulej & Mariusz Pecio, 2021. "Glass Cullet as Additive to New Sustainable Composites Based on Alumina Binder," Energies, MDPI, vol. 14(12), pages 1-22, June.
    Full references (including those not matched with items on IDEAS)

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