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Swiss rockfall gallery Mingèr completed five weeks ahead of schedule with Doka's Concremote Press Release / April 2023 Swiss rockfall gallery Mingèr completed five weeks ahead of schedule with Doka's Concremote The Mingèr gallery was recently inaugurated to protect the main road in the Engadine high valley in Switzerland from falling rocks and avalanches. The structure required an unobstructed clearance profile and an accelerated construction schedule in order to complete the gallery before winter. The contractor, Bezzola Denoth AG, relied on solutions from Doka to help it achieve this goal. The Engadine high valley in Switzerland is famous for its picturesque landscape, but also for the dangers of rockfall and avalanches that threaten the main traffic artery. To ensure the safety of road users, the 240-metre-long Mingèr Gallery was built near the village of Martina. Due to the geographical conditions – a mountain slope on one side and water on the other – it was important to ensure an unobstructed clearance profile so that traffic could continue as usual during construction. The solution came in the form of Doka UniKit, Doka’s universal engineering kit for heavy loads. To achieve the required spans, two electrically operated tunnel formwork travellers on rails were used. The powerful UniKit primary beams (including extensions) were combined with SL-1 beams to provide the necessary stability. The challenge for the contractors was to achieve the specified concreting sequence with different block lengths (10.0 / 12.5 / 15.0 m). Thanks to the crane-independent, foldable side formwork, it was possible to pass through the already existing concrete pillars while moving the formwork traveller. Another requirement for the contractor, Bezzola Denoth AG, was to complete the work before winter 2022. In addition to the shoring and formwork, this project also involved the use of Concremote, a digital service from Doka. Concremote uses sensors to measure the temperature and calculates the compressive strength of the concrete structure. The use of Concremote cable sensors halved the stripping time, allowing the project to be completed five weeks ahead of schedule. The early completion saved €40, 000 in costs. In brief: Project: Gallery Mingèr Location: Martina (Graubünden), Switzerland Type of structure: Avalanche and rockfall gallery General Contractor: Bezzola Denoth AG Completion: 2022 Systems used: - Heavy-duty supporting system SL-1 UniKit primary and secondary beams Services used: - Concremote - Ready-to-use-service - Formwork instructor Photos: Please include details of copyright for publication. Beautiful, but dangerous: roads on mountain slopes, as here in the Engadin high valley. Protection from avalanches or rockfall is provided by galleries such as the Mingèr Gallery built in 2022. Photo: Gallery Minger_1.jpg Copyright: Doka Successful partnership: Bezzola Denoth AG and Doka complete Mingèr gallery before winter. Photo: Gallery Minger_2.jpg Copyright: Doka Unrestricted clearance for traffic thanks to high-performance Doka UniKit – the universal engineering kit for heavy loads. Photo: Gallery Minger_3.jpg Copyright: Doka Reduced stripping time by 50% thanks to Concremote, resulting in five weeks earlier completion. Photo: Gallery Minger_4.jpg Copyright: Doka About Doka: Doka is a world leader in providing innovative formwork, solutions and services in all areas of construction. The company is also a global supplier of well-thought-out scaffolding solutions for a varied spectrum of applications. With more than 160 sales and logistics facilities in over 60 countries, Doka has a high-performing distribution network for advice, customer service and technical support on the spot and ensures that equipment is swiftly provided – no matter how big and complex the project. Doka employs 6, 800 people worldwide and is a company of the Umdasch Group, which has stood for reliability, experience and trustworthiness for more than 150 years. Press contact Doka GmbH Alexandra Weidinger Head of External Communication M +43 664 62 94 111 alexandra.weidinger@doka.com | www.doka.com |
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