Print Email Facebook Twitter A preliminary investigation of the potential benefits of using the ASTRA Bridge for short-span bridge deck refurbishment projects in Switzerland Title A preliminary investigation of the potential benefits of using the ASTRA Bridge for short-span bridge deck refurbishment projects in Switzerland Author Zumstein, Marco (ETH Zürich) Chen, Qian (ETH Zürich; University of British Columbia) Adey, Bryan T. (ETH Zürich) Hall, Daniel M. (TU Delft Design & Construction Management; ETH Zürich) Date 2022 Abstract How bridge refurbishment projects are performed requires a trade-off between the speed and cost of the project and the amount of traffic disturbances during the project. A possible way to help reach a better balance between these two extremes is the ASTRA Bridge developed in Switzerland. The ASTRA Bridge is a 236-meter long steel ramp system on wheels, which is placed on top of the bridge deck undergoing refurbishment to enable vehicles to continue to pass over the bridge while construction work progresses underneath. This study illustrates new refurbishment processes by using the ASTRA Bridge and presents the first quantitative analysis of the effects of using the ASTRA Bridge on the time, costs and traffic disturbances associated with bridge refurbishment. The bridge investigated is a short-span (50 m long) highway bridge requiring refurbishment of its superstructure. The analysis indicates that the use of the ASTRA Bridge resulted in reductions in duration and costs (14% and 3% for the example), and a substantial reduction in user costs (51% for the example). Although more analysis is required for different types of refurbishment projects, the initial results indicate that the ASTRA Bridge may become an integral part of future highway bridge refurbishment projects. Subject ASTRA Bridgeconstruction automationcost reductiondiscrete-event simulationhighway bridgesinfrastructure refurbishmentprocess modellingtraffic disturbances To reference this document use: http://resolver.tudelft.nl/uuid:b38264d8-b3f6-450e-9693-61271caa8628 DOI https://doi.org/10.1080/15732479.2022.2152842 Embargo date 2023-07-01 ISSN 1573-2479 Source Structure & Infrastructure Engineering, 1-19 Bibliographical note Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. Part of collection Institutional Repository Document type journal article Rights © 2022 Marco Zumstein, Qian Chen, Bryan T. Adey, Daniel M. Hall Files PDF A_preliminary_investigati ... erland.pdf 3.76 MB Close viewer /islandora/object/uuid:b38264d8-b3f6-450e-9693-61271caa8628/datastream/OBJ/view