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Mechanical Characteristics and Ductility of Glass Fiber Reinforced Concrete with Modified Matrix

Number of journal: №12-2018
Autors:

Moceikis R.
Kičaitė A.
Skripkiūnas G.
Yakovlev G.I.

DOI: https://doi.org/10.31659/0585-430X-2018-766-12-27-33
УДК: 691.328.43

AbstractAbout AuthorsReferences
Glass fiber reinforced concrete (GRC) is commonly used for production of various thin- walled concrete elements due to good flexural characteristics and high ductility. For decades, typical GRC matrix consisted of fine quartz sand and ordinary Portland cement (OPC) in which short glass fibers are dispersed. Recent studies in the fields of reactive powder concrete and durability mechanisms of GRC showed that there is a big potential in improving mechanical characteristics and durability of the composite when micro or Nano fillers are used. This article investigates workability, flexural toughness and ductility of several GRC compositions with different fillers (silica sand, fine granite, fine dolomite) and micro- additives (silica powder, metakaolin and dolomite powder). Ordinary CEM I 52,5R Portland cement (OPC) is used as a binder and polycarboxylate ether-based superplasticizer (PCE) is used as water- reducing agent. 12,7 mm length alkali resistant glass fibers (ARG) are dispersed for matrix reinforcement.
R. MOCEIKIS1, graduate student (This email address is being protected from spambots. You need JavaScript enabled to view it.)
A. KIČAITĖ1, Associate professor
G. SKRIPKIŪNAS1, Professor
G.I. YAKOVLEV2, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Vilnius Gediminas Technical University, Department of building materials and fire safety (11, Sauletekio al., Vilnius, 10223, Lithuania)
2 Kalashnikov Izhevsk State Technical University (7, Studencheskaya Street, Izhevsk, 426069, Russian Federation)

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For citation: Moceikis R., Kičaitė A., Skripkiūnas G., Yakovlev G.I. Mechanical characteristics and ductility of glass fiber reinforced concrete with modified matrix. Stroitel’nye Materialy [Construction Materials]. 2018. No. 12, pp. 27–33. DOI: https://doi.org/10.31659/0585-430X-2018-766-12-27-33 (In Russian).


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