Firm General

Groupe 3BAU

Rooted in post-tensioning, since 1948 with the pioneers Freyssinet, Guyon & Jean Muller
3BAU = Bridges + Buildings + Geotechnical
Segmental, extradosed & cable-stayed bridges
Post-tensioned buildings (slabs, cores, suspensions & foundations)
More than 29.644.000m2 of buildings designed in more than 64 countries
Designers specialized for the main PT systems (Freyssinet, DSI, BBR, Tensacciai, Mekano4, etc.)
Headquarters in Switzerland since 2004.

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