153 Category 4: Special Projects 4 DENBOER CCI Contact Frank van der Wel Address Ambachtsweg 3 2964LG Groot-Ammers, The Netherlands Website www.denboercci.nl DENBOER CCI is an independent engineering firm composed of 15 colleagues, which provides civil, water and industrial constructions. Our projects are mainly to be found on the edges of land and water and they fulfil a variety of different functions. We combine our practical background with knowledge and science, thereby realizing achievable and cost efficient designs. Our mission is to keep working on a safe, usable, and sustainable future for both the individual and for companies. Owner Segno d’Arte Architect D+Z Architecten General Contractor Segno d’Arte Engineering Office DENBOER CCI Construction Period 08/2014 - 11/2014 As part of the beautification of a new office, our client requested a piece of art in the atrium of the office. The piece of art is produced by Segno d’Arte. The construction is a twisted truss that starts as an organized structure, but ends in ‘chaos’. The aluminium construction creates its own strength and stiffness; there are no additional parts inserted. The construction is 14 m long and 12 m wide. The entire construction supports itself on tension wires at 10 m high in the middle of the indoor atrium. The building phase, transport phase, and end phase were calculated and drawn to detail. The construction was built in parts and put together on site. From there, the construction was vertically lifted to its end position. 9 tension wires make its fixation. We made a model of the construction; the tension wires were also included as non-linear elements. Through a non-linear calculation, we found results for the building phase and end phase. After iteration, we found an optimum between deformations, internal forces, and locations of tension wires and anchor points. We also made a model to examine the anchor points and the tube wall. Local effects were considered. Hanging Art Work - Groot-Ammers, The Netherlands SE
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