Abstract
A northbound motorway close to the city of Barcelona has shown various deformation signs in its pavement and, as a consequence, it has been the subject of numerous studies and projects, aimed at reducing the road maintenance costs. In the area object of the present study, the road follows a slope, which is located below an old quarry converted in a waste disposal facility before the deformation signs appeared in the motorway. An extensive instrumentation system was installed along the slope adjacent to the motorway. The available monitoring data has allowed to identify the instability of the slope as the cause of the deformation signs in the motorway, as well as to locate the failure surface in various sections of the slope.
The paper describes the analysis of the evolution of the instability phenomenon and presents the stabilizing measure adopted. The reduction of the observed slope movement rate shows the success of the stabilizing measure.
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Acknowledgements
The work presented in this article is supported by Infraestructures.cat. The support provided by the Severo Ochoa program through the Grant CEX2018–000797-S funded by MCIN/AEI /https://doi.org/10.13039/501100011033 is also acknowledged.
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Di Mariano, A., Gens, A. (2023). Observation and Analysis of a Moving Slope. In: Ferrari, A., Rosone, M., Ziccarelli, M., Gottardi, G. (eds) Geotechnical Engineering in the Digital and Technological Innovation Era. CNRIG 2023. Springer Series in Geomechanics and Geoengineering. Springer, Cham. https://doi.org/10.1007/978-3-031-34761-0_61
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DOI: https://doi.org/10.1007/978-3-031-34761-0_61
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