Device for correcting bridge access road profile uses measurement device for evaluating the slope increase then metallic enclosure installed within the fill in front of the bridge are injected with a fluid in order to modify their volume

摘要

Device includes a measurement device for evaluating the slope increase. Metallic enclosure (24a-c) with expandable walls are installed within the fill (12) in front of the bridge (10,14,16) and are injected with a fluid in order to modify their volume.