Nemetschek Engineering User Contest 2009 • Category 3: CAE Civil Works 129 3 Bowstring Bridge of Bamberg, Germany the max. calculated axial force. The third method was done by using the stability check of ESA-Prima Win in which a sinusoidal pre-deformation was given for the arches. Because the linear calculation resulted in compression in the tension bars between arch and deck, a non-linear calculation was needed. In the calculation of this project the use of ESA-Prima Win was very intense and diverse: • Non-linear calculation • Stability control • Building stages Description of how our experience with ESA-Prima Win proved its completeness • Dimensioning a 3D structure. • The possibility of using and combining the results of ESA-Prima Win in a flexible way. • The possibility of calculating graphical sections. • The possibility of using tension only elements for the modelling of the cables. • Stability calculation and second order calculations. This project proves the great diversity of ESA-Prima Win in checking the structure and the use of materials. Used modules • Base • 3D frame • Dynamics • Steel code check (DIN) • Stability • Physical non linear conditions
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