Nemetschek Engineering User Contest 2009 • Category 5: CAE Special Projects 201 5 sphere of influence of the already existing poles. This, too, was included in the design, by using Scia Engineer - set to specific boundary conditions - to determine possible reactions. Design During the design process, IMd worked closely together with the architect. First, ideas were pitched and shared using drawing sketches. Soon, however, Scia Engineer was employed to determine a clear 3D-model of the construction. The constructive challenges (a 12-metre cantilever and a 12-metre column-free protruding span) have led to a project, the form of which directly relates to the construction’s dimensions. Construction and design were carefully integrated during the design process, in order to achieve not only aesthetic appeal, but also efficiency; both within the set financial boundaries. Scia Engineer proved to be of great value; any alteration in the construction’s shape was rapidly processed, and IMd was able to determine which consequences the alterations would have for the steel moulding. Scia Engineer was also used for both constructions to determine their ideal constructive shapes, within the boundary conditions of the architect, as well as the already existing building. Changes in the design could be implemented rapidly, after which the various options could be compared. Communicating through 2D-models about these 3D-shapes has proved to be rather problematic. This 3D-package, which produces clear images, was a very good solution to that problem. All in all, the well-tuned co-operation between the architect and IMd, with the use of Scia Engineer, has led to a constructive design that fits in nicely with the already existing building. It has met with all the architect’s demands and wishes, as well as those of the eventual employer; on top of that, the design proved to be financially feasible. Development and execution During the design process, IMd optimised the steel construction as much as possible, which means that during the subsequent phase, this only needs to be completed. The 3D computational model was then used to create the 3D construction drawings. These drawings, together with the completed Scia Engineer computations, were sent to the steel sub-contractor, who will finish the detailed construction. 2009 will see the outset the construction works, which are to be completed before the start of the 2009-2010 theatre season. Theatre with cantilevered steel construction
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