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Evaluation of Mechanical Properties and HPM Pulse Shielding Effectiveness of Cement-Based Composites

Author

Listed:
  • Michał Musiał

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Dominik Logoń

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Krzysztof Majcher

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Paweł Niewiadomski

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Tomasz Trapko

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Kamila Jarczewska

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Wojciech Pakos

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Adrian Różański

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Maciej Sobótka

    (Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland)

  • Damian Stefaniuk

    (Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA)

Abstract

In today’s world, protection against electromagnetic waves, including high-power microwave (HPM) pulses, is becoming increasingly important. Hence, the aim of this research was to select an absorbing admixture, which, when used in an appropriate quantity, improves the effectiveness of shielding against electromagnetic waves and, at the same time, satisfies the requirements that are important from a construction engineering point of view. Altogether, eighteen admixtures (including two types of fibers), added in different quantities, and three types of aggregate have been tested. The compressive and flexural strength test results show that the greatest improvement in the tested mechanical properties was achieved in the case of admixtures such as steel fibers, carbon black P803, ferrite, and fly ash. Regarding the effect of the admixtures on shielding effectiveness, the best results were obtained for graphite in the form of flakes, graphite in the form of powder, carbon black N990 and P803, polypropylene and steel fibers, and hybrid admixtures, i.e., ashporite aggregate with carbon black and ashporite aggregate with graphite flakes. Regarding both mechanical properties and HPM pulse shielding effectiveness, the best effects were achieved in the case of the specimens with a high steel fiber content.

Suggested Citation

  • Michał Musiał & Dominik Logoń & Krzysztof Majcher & Paweł Niewiadomski & Tomasz Trapko & Kamila Jarczewska & Wojciech Pakos & Adrian Różański & Maciej Sobótka & Damian Stefaniuk, 2023. "Evaluation of Mechanical Properties and HPM Pulse Shielding Effectiveness of Cement-Based Composites," Energies, MDPI, vol. 16(10), pages 1-20, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:10:p:4062-:d:1145886
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    References listed on IDEAS

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    1. Krzysztof Majcher & Michał Musiał & Wojciech Pakos & Adrian Różański & Maciej Sobótka & Tomasz Trapko, 2021. "A Systematic Review of HPM Energy Absorbers for Building Applications," Energies, MDPI, vol. 14(19), pages 1-22, September.
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