February 21, 2012
To improve access from the east to São Paulo city centre, main contractor Construbase Engenharia is building a road complex comprising three viaducts and access ramps. The greatest challenge in Brazil's largest city is the showpiece Padre Adelino viaduct, a 122m long single-arch, single-span, cable-stayed concrete bridge moulded in situ with a parabola-shaped arch and a single-cell post-tensioned cantilever caisson