GAUTRAIN PROJECT VIADUCTS

Abstract

The Gautrain Rail project is one of the most important projectsever developed and built by Bouygues Travaux Publics. Itconsists of developing, designing, constructing, operating andmaintaining a 77km long railway line. On the 77 km Gautrainproject tracks, particular emphasis is given to the viaducts withno less than 13 viaducts:• 2 viaducts with prestressed beams• 2 cast in situ concrete balanced cantilever viaducts• 9 precast segments viaductsDecks have two railways for the future train Electrostar. Thelengths of these viaducts range from 174m (Viaduct 02) to3278m (Viaduct 5c). The total length of all viaducts is about10km.The 2 cast in situ concrete balanced cantilever viaducts V5b(John Vorster) and V5d (Jean Avenue) ensure the crossing of twomajor highways between Johannesburg and Pretoria with astrong skew angle. The largest spans of these