List of products by author: J. Friedl

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  Innovative traffic barrier for road and city tunnels

  Abstract: This paper presents a project of an innovative, safe and effective traffic closure system for road and city tunnels. This system, based on a net of flexible silicon components and carbon strings which forms together a “roller shutter”, should solve a problematic closure of a tunnel during emergency and maintenance situations. Every traffic lane has its own independently operated barrier. The...

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