Your Project Technical data of the project Project title: Living on water Physical Location: Middelburg in the Province of Zeeland Site owner: WBU Walcherese Bouw Unie Architect: Architectuurstudio Herman Hertzberger Engineering office: ABT Adviesbureau voor Bouwtechniek te Velp General contractor: WBU Walcherese Bouw Unie Location: Middelburg in the of Province of Zeeland Total weight of the steel structure: +/- 75000 kg Dimensions: +/- 20 x 20 x 11 meter Building costs: +/- 450000 Euro Building period: 2000 Short description of the project Architectural design The idea was to build in the Netherlands - land of water - houses on water. Just like the houseboats, but larger. The design of this house floating on the water is from architect Herman Hertzberger. His first design was made in 1986 and thereafter developed till a villa with three levels. The location is Middelburg in the Province of Zeeland. To make the house floating, it is placed on large pipes with a diameter of 2,2 meter and a wall thickness of 18 mm. These pipes are connected together to form a shape of a hexagon. On this hexagon, a frame of steel beams is connected to form a platform for the house. To reduce loading the house is made of a light steel structure with wooden floors and walls. The bridge to the wall is used to fix the house in position. Structural aspects The first idea from the architect was to make a triangle of pipes to float the house. But to stabilize the construction on the water, it was necessary to design a more equal form. This leads us to the hexagon. The problem was to calculate the deformations while floating on the water. For that purpose the construction was based on springs. It is not only the horizontal and vertical deformation, but also the rotation, which is important, because of capsizing of the whole construction. That was the reason to use Esa-Prima-Win for three-dimensional structures. After putting the whole structure in the computer is was easy to calculate deformations, rotations etc. in each loading situation. Also it was easy to use the output to calculate the Eigen Frequency. Use of ESA-Prima Win Description of the technical questions to be solved with ESAPrima Win: The problem was to calculate the deformations while floating on the water. For that purpose the construction was based on springs. It is not only the horizontal and vertical deformation, but also the rotation, which is important, because of capsizing of the whole construction. A description of your experience with ESA-Prima Win when realising the project: Using ESA-Prima Win gives us the opportunity to analyze the structure to find the deformations to calculate Eigen Frequency. Modules used: Base 2D frame 2D grid Dynamic document. Motivation of the jury Technical level of the design & the calculations: A good and & detailed analysis, for the calculation of the deformations while floating on water the construction was based on spring foundation. Originality and prestige: An uncommon and innovative project but ready for mass production? Attractive & complete presentation: Clear and concise presentation with all info needed & clear images. Optimal use of the functionalities: Appropriate use of the modules. 3 SCIA User Contest Catalog
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