ABSTRACT

The bridge over Guadalquivir river, near Alcalá del Rio in Seville (Spain), that has nine spans of 30 m each, with a total length of 270 m, has suffer in the past a sinking of 14 cm and 6 cm on two of the central piers located in the centre of the river. The superstructure is isostatic and the foundation is constituted by two circular pier-piles of 1.50 m of diameter. Among different solutions the best technically and economically selected, was to use Jet Grouting injections