Nemetschek Engineering User Contest 2009 • Category 2: CAE Housing & Buildings 35 2 Office buildings for Drisag minimum height of 100 mm were used. To guarantee the stability of these horizontal boxes, pretensioning with cables was needed. To support the business volume between level 14 m and 21 m, a complete framed steel structure was build. Use of ESA-Prima Win Description of technical questions to be solved with ESA-Prima Win The challenge in this project was to design a low budget steel construction taking into account a minimal construction height and the severe restrictions that were to be met such as a minimal number of columns and bracings maximum free space inside the building. Finding the balance between a low cost structure and taking into account the severe restrictions was a high creative demand in the static layout and the dimensioning of the structure. Description of our experience with ESA-Prima Win in realizing the project. For this project ESA-Prima Win proved its power to calculate at high speed large structures with a great number of elements and a great number of combinations. And more, ESA-Prima Win proved that even for large structures the non linear calculations could be done in an acceptable way and time. Used modules • Base • 3D frame • Non linear calculations • Steel code check (EC3)
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