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Abstract:	The articles deals with the recording of crack width changes and temperature developments in a road tunnel constructed of waterproof concrete. As part of the planning of repair concepts, specifically the repeatedly necessary repair of cracks in the reinforced concrete lining, crack widths and temperature effects were recorded for more than one year at selected locations. This enabled the determination of the relationship between cracking behaviour and temperature changes. The article describes the significant findings of this investigation programme. Der Beitrag behandelt die Erfassung von Rissbreitenänderungen und Temperaturentwicklungen an einem Straßentunnel, der aus einer wasserundurchlässigen Betonkonstruktion erstellt wurde. Für wiederkehrende notwendige Instandsetzungen an Rissen der Stahlbetoninnenschale wurden im Zuge einer Ausarbeitung zu möglichen Instandsetzungskonzepten über ein Jahr lang im Tunnel an ausgewählten Stellen Rissbreiten und Temperaturverläufe erfasst. Dabei konnten auch Zusammenhänge zwischen dem Rissverhalten und dem Temperatureinfluss herausgestellt werden. Nachfolgend wird über wesentliche Erkenntnisse dieses Untersuchungsprogramms berichtet.
Source:	Geomechanics and Tunnelling 7 (2014), No. 6
Page/s:	721-729
Language of Publication:	English/German

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