171 Thermae of Spa The ‘Centre Thermal’is located on top of the hill “Annette et Lubin”, above the city of Spa. The steel frame consists of concentrically and eccentrically placed elliptical tubes which receive the torsion and bending. Each ellipse rests on the previous one by rectangles and tubular sections. The whole entity is supported by columns which are fixed on top with cables. The structure becomes stable through the connections of the tubes. The specific connections are modelled in a 3D-plate model to examine the mechanics . ESA-Prima Win software has been used as calculation tool. Short Description
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