Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Makroelementbildung in hochfestem Beton
The basics of corrosion of metals and especially steel in concrete are presented. Particular attention is paid to the influence of concrete properties on reinforcement corrosion. The most important property of concrete is its porosity, as it significantly influences the concrete electrolyte resistance and oxygen diffusion. Tests are described that were carried out to investigate macrocell corrosion in concrete. Beams made of normal-strength, high-strength and high-strength concrete with silica fume (high-performance concrete) served as test specimens. It was shown that macrocell corrosion remains largely unaffected by the strength class of the concrete. However, the addition of silica dust leads to very high electrolyte resistances, which hinders macrocorrosion. The performance of the cathodes was determined by recording current-potential curves. A lower performance of the cathodes in silica-containing concrete was found.
Makroelementbildung in hochfestem Beton
The basics of corrosion of metals and especially steel in concrete are presented. Particular attention is paid to the influence of concrete properties on reinforcement corrosion. The most important property of concrete is its porosity, as it significantly influences the concrete electrolyte resistance and oxygen diffusion. Tests are described that were carried out to investigate macrocell corrosion in concrete. Beams made of normal-strength, high-strength and high-strength concrete with silica fume (high-performance concrete) served as test specimens. It was shown that macrocell corrosion remains largely unaffected by the strength class of the concrete. However, the addition of silica dust leads to very high electrolyte resistances, which hinders macrocorrosion. The performance of the cathodes was determined by recording current-potential curves. A lower performance of the cathodes in silica-containing concrete was found.
Makroelementbildung in hochfestem Beton
Biembacher, Ingo (Autor:in) / Sasse, H. R.
01.01.2025
Aachen : RWTH Aachen University 1 Online-Ressource : Illustrationen (2025). doi:10.18154/RWTH-2025-00474 = Diplomarbeit, Rheinisch-Westfälische Technische Hochschule Aachen, 1998
Hochschulschrift
Elektronische Ressource
Deutsch
info:eu-repo/classification/ddc/624 , Beton , Diffusion , Elektrolyt , Hochleistungsbeton , Makroelement , Porigkeit , Riss , Silika , concrete , corrosion , cracks , elektrolyte , high-performance concrete , high-strength concrete , hochfester Beton , macrocell , metals , oxygen , porosity , silica
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