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Abstract:	Der Einsatz von Inhibitoren wird weltweit als technisch und wirtschaftlich interessante Alternative zur konventionellen Instandsetzung von Stahlbetonbauten betrachtet, da der Betonabtrag erheblich reduziert oder sogar ganz wegfallen kann. In diesem Aufsatz werden die Resultate von praxisnahen Laboruntersuchungen vorgestellt (aktive, d. h. laufende Bewehrungskorrosion, unterschiedliche Bewehrungsüberdeckung, unterschiedlicher Chloridgehalt im Untergrund bzw. im “Altbeton”, Makroelementwirkung). Keines der drei geprüften Systeme war in der Lage, die Korrosionsgeschwindigkeit zu reduzieren oder sogar zu stoppen. Corrosion Inhibitors for the Rehabilitation of Chloride Contaminated Reinforced Concrete Structures The use of inhibitors is considered worldwide as a technically and economically interesting alternative to the conventional repair of reinforced concrete structures since the removal of concrete can be considerably reduced or completely omitted. In this contribution the results of practical laboratory investigations are presented (active, e.g. ongoing corrosion, different concrete cover depths and chloride contents of the substrate or “old concrete”, macroelement effect). None of the three tested systems was able to reduce the corrosion rate or to stop the corrosion.
Source:	Beton- und Stahlbetonbau 106 (2011), No. 3
Page/s:	187-196
Language of Publication:	German

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