Free Access
Review
Fig. 4

Download original image
Coupe géologique du site et ouvrages. Le tunnel est représenté par sa voûte et son radier (il traverse le calcaire grossier inférieur et les argiles plastiques).
Geological section of construction site and works. The tunnel is represented by its vault and its base (it crosses the lower coarse limestone and plastic clays).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.