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Drainage geocomposites and PVC geomembranes for highway tunnel lining

Features | October 1, 2022 | By: Daniele Cazzuffi, Massimo Cunegatti and Piergiorgio Recalcati

Figure 1. Tunnel view after gunite application The original design for the primary lining system for the Driskos Twin Tunnel along the Egnatia motorway in Greece, consisting of a PVC plasticized (PVC-P) geomembrane, called for a nonwoven geotextile, 500 g/m², as a puncture protection and drainage layer. The nature of the rock with high pressures […]


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