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  • The paper reviews state of the art in the area of reinforcing concrete on submicronic level, i.e. by fibers less than 1 micrometer in diameter. Materials suitable for utilization, methods of their incorporation into concrete matrix and contributions to concrete properties are discussed. Attention is devoted to the fact that compared to classic dispersed reinforcement, low-scale fibers not only prevent propagation of cracks, but also act as nucleation centers, thus increasing the level of cement paste hydration and improving its mechanical properties and chemical resistance. In order to be objective, technical and other difficulties that are so far encountered and potential drawbacks of the new materials are considered. Regard is given to the questions of submicronic fibers impact on health of workers that would get into everyday contact with these materials and also to the environmental issues.
  • The paper reviews state of the art in the area of reinforcing concrete on submicronic level, i.e. by fibers less than 1 micrometer in diameter. Materials suitable for utilization, methods of their incorporation into concrete matrix and contributions to concrete properties are discussed. Attention is devoted to the fact that compared to classic dispersed reinforcement, low-scale fibers not only prevent propagation of cracks, but also act as nucleation centers, thus increasing the level of cement paste hydration and improving its mechanical properties and chemical resistance. In order to be objective, technical and other difficulties that are so far encountered and potential drawbacks of the new materials are considered. Regard is given to the questions of submicronic fibers impact on health of workers that would get into everyday contact with these materials and also to the environmental issues. (en)
Title
  • Concrete reinforcement on submicronic level
  • Concrete reinforcement on submicronic level (en)
skos:prefLabel
  • Concrete reinforcement on submicronic level
  • Concrete reinforcement on submicronic level (en)
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  • RIV/68407700:21110/11:00183564!RIV13-MSM-21110___
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  • 191631
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  • RIV/68407700:21110/11:00183564
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  • Carbon; cement paste; hydration; nanofibers; nanotubes; reinforcement (en)
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  • [60BD5BD85F18]
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  • Bílý, Petr
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  • 21110
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