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Title:	Use of a yielding zone to repair the Gotschna Tunnel / Einsatz einer Knautschzone bei der Sanierung des Gotschnatunnels, Klosters (CH)
Abstract:	During the renovation of the Gotschna Tunnel from 2019 to 2020, prefabricated elements made of Compex were used for the first time as a deformable yielding zone in the invert zone. The client, construction management, construction company and supplier of the compressible elements worked closely together to implement the design specifications. Consequently, the expectations of the special building material in terms of the production quality of the prefabricated elements and handling on the construction site were more than met. The parties involved in the construction thus see potential for further applications and further developments of Compex. Bei der Sanierung des Gotschnatunnels im Zeitraum 2019 bis 2020 wurden erstmals Fertigteile aus Compex als deformierbare Knautschzone im Sohlgewölbe eingesetzt. Bei der konkreten Umsetzung der Vorgaben aus der Planung arbeiteten Bauherr, Bauleitung, Bauunternehmen und Knautschkörperlieferant eng und vertrauensvoll zusammen. So wurden die Erwartungen an den Sonderbaustoff in Bezug auf die Qualität bei der Herstellung der Fertigteile und dem Handling auf der Baustelle mehr als erfüllt. Die am Bau Beteiligten sehen daher Potential für weitere Anwendungen und Weiterentwicklungen von Compex.
Source:	Geomechanics and Tunnelling 15 (2022), No. 1
Page/s:	132-140
Language of Publication:	English/German

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