Enlargement Works at the Airport of Liege (Belgium)

The airport of LiOge in Belgium has been the subject of major works for several yearjSince the country was regionalized a few years ago, the Wlloon Region has invested over 1,5 milliard Bel g ian francs. Several new buildings have already been constructed.rThe most spectacular wor, however,lTs the enlargement of the current apron. Work in progress involves a total area of 130,000 m 2 of pavement. The selected pavement type is 28 cm of continuously reinforced concrete. This paper discusses several stages of the works: - preliminary studies, from the geology of the site to the choice of the structure; specifications for the quality of the concrete pavement and mix design studies; - trial sections to determine the most appropriate position and distribution of reinforcing steejj