Site investigations on cavernous limestone for the Remouchamps Viaduct, Belgium ; Investigations en terrain calcaire sur le viaduc de Remouchamps, Belgique

peer reviewed ; POOR GROUND CONDITIONS on cavernous limestone created severe difficulties at the sites of four piers of the Remouchamps Viaduct. The discovery, during excavations for foundations, of large open cavities prompted a major re-appraisal of site investigation procedure, and also some redesign of the viaduct structure. ; La situation défavorable des fondations de quatre des piliers du viaduc autoroutier de Remouchamps posa des problèmes de construction. La présence de cavités karstiques largement ouvertes nécessita le re-dessin de la structure du viaduc.