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Effect of porosity on physical properties of lightweight cement composite with foamed glass aggregate

Abstrakt

This paper reports on a study of physical properties of lightweight cement composite. We investigate the possibility of replacing traditional aggregate with Granulated Ash Aggregate (GAA) and above all with Granulated Expanded Glass Aggregate (GEGA). For this purpose, 15 specimens of different percentage share of each aggregate in total aggregate volume were tested: 0%, 25%, 50%, 75% or 100% of foam glass aggregate (GEGA) partially replaced by ash aggregate (GAA) content in the cement composite. The water-cement ratio was constant and equal to w/c=0.5. Three grain sizes were analyzed: 2mm, 4mm (both GEGA) and 8mm (GAA). Numerical simulations of concrete specimen behavior under static loading were conducted with the implementation of elastic plastic model of each component. The study shows a significant impact of grain type and size on physical properties of lightweight concrete. Due to lower density of foamed glass aggregate, specimens shows various apparent density and porosity, which affect concrete properties. Compressive strength of concrete decreases with the increase in foam glass aggregate content; however specimens show different workability and in consequence porosity of lightweight concrete.

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Wersja publikacji
Accepted albo Published Version
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Creative Commons: CC-BY otwiera się w nowej karcie

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Kategoria:
Aktywność konferencyjna
Typ:
materiały konferencyjne indeksowane w Web of Science
Tytuł wydania:
II International Conference of Computational Methods in Engineering Science (CMES’17) strony 1 - 5
ISSN:
2271-2097
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Kurpińska M., Ferenc T..: Effect of porosity on physical properties of lightweight cement composite with foamed glass aggregate, W: II International Conference of Computational Methods in Engineering Science (CMES’17), 2017, EDP Sciences,.
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1051/itmconf/20171506005
Bibliografia: test
  1. L. Domagała, Cem. Wapno Beton 2 (2011) otwiera się w nowej karcie
  2. B. Grzyl, A. Kristowski, Czas. Tech. Bud. 2-B(6), (2014) otwiera się w nowej karcie
  3. M. Kurpińska, T. Ferenc, Shell Structures: Theory and Applications Volume 4, pp.549-552 (CRC Press/Balkema Taylor & Francis Group, London 2018) otwiera się w nowej karcie
  4. N. Ciak, M. Ciak, J. Harasymiuk, Effects of the lightweight concrete's composition's modification on its properties (IX Conference Days of Concrete Wisła, Poland, 2016)
  5. K.-Ch Thienel, Materialtechnologische Eigenschaften der Leichtbetone aus Blähton (Conference: TFB Seminar "Leichtbetone im konstruktiven Ingenieurbau" Berlin, Germany 1997)
  6. J. Pamin, R. de Borst, Arch. App. Mech. 68(9) (1998)
  7. J. Pamin, R. de Borst: Arch Mech 51 (3-4) (1999)
  8. J. Chróścielewski, A. Mariak, A. Sabik, B. Meronk, K. Wilde, Adv. Sci. Technol. Res. J. 10 (32) (2016)
Weryfikacja:
Politechnika Gdańska

wyświetlono 121 razy

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