The device and system for damping the convergence of a terrain, 1995 in the manufacture of such a device and system

摘要

Damping system of the convergence of a terrain (2), the system comprising a coating (3) covering at least in part, an external wall (11) of a tunnel (4) formed by segments (12) and located inside a cavity (13) made in the terrain (2), the coating (3) comprising a plurality of devices (1) comprising each a ceramic body defining at least one closed cavity.