Prohlížení Acta Polytechnica CTU Proceedings. 2022, vol. 33 dle autora "Feldrappe, Volkert"

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    • A new performance test to evaluate the sulfate resistance of concrete by tensile strength measurements 

      Autor: Feldrappe, Volkert; Haufe, Johannes; Ehrenberg, Andreas; Vollpracht, Anya; Matschei, Thomas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Concrete structures without sufficient durability can be damaged by sulfates in groundwater and from surrounding rock layers. To evaluate the performance of a concrete mixture, precise and performance-oriented test methods ...

    • Stability of concrete containing blast-furnace slag following exposure to cyclic elevated temperature 

      Autor: Iravani, Ahmad; Feldrappe, Volkert; Ehrenberg, Andreas; Anders, Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Concrete is widely used in constructions such as industrial floors or airducts in steel- and casting industry where it is often exposed to long-term or cyclic elevated temperatures. For these applications, thermal stability ...