The structure had problems that started even before it was completed, mainly as a result of subsidence caused by a drop in the water table. The builders attempted to compensate for this subsidence, and for a tendency of the ground to shift, by sinking supporting posts down to firmer soil, since construction could not be delayed. These measures were only partially successful. Further damage occurred once the building was in use. Excessive force applied to structural members during the installation of certain exhibitions such as the Exposition Internationale de la Locomotion Aérienne caused damage, as did acid runoff from the horse shows.