Industrial hall and office Oudevaart-Zuid Warmenhuizen Konstruktieburo J. van der Schaaf Breelaan 21 1829 AS Alkmaar the Netherlands Tel.: +31 72-5110397 Contact: M. Mischa Nieuwboer Email: [email protected] Konstruktieburo J. van der Schaaf is a small company specialized in small and medium structures in wood, steel and concrete. Our working area concentrates in the northwest of the Netherlands, but we have projects throughout the country. The projects we engineer vary from modifications of domestic property, houses, small civil structures to medium industrial buildings. Customer satisfaction and descent engineering is our main objective. Up to date structural knowledge, technology for structural analysis and information technology are our major concerns. On behalf of E. de Graaf beheer bv, Architektenburo ir. G. Pronk bna designed a building existing of an industrial hall and an office. The building is situated on a development area Oudevaart-Zuid in Warmenhuizen (the Netherlands). Although Warmenhuizen is just a small village, it has a reasonable development area for regional companies. This part of the area is in development for the last few years. The local government is very keen on the appearances of the buildings in this area., while they take into account the limited budget of the regional companies. The architect managed to design a building according to the requirements of the constituent and the local government but still for a reasonable budget. The hall and the office building are two separate structures. Physically they are connected, but they are kept structurally undependable. The rectangular structure of the hall is made of steel frames with a steel lining facade. The circular office is a combined masonrysteel-concrete structure. The structure of the office is designed for a future extra story. To keep the partitioning of the building flexible, the first and second floor are supported only at the edge and at the centre with a single column. The first and second floor are made of reinforced cast in place concrete. The ground floor is made of prefabricated pretensioned concrete elements. The larger glass facades are provided with columns to bear the floors above. Building specifications Industrial hall: • Dimensions: length x width: 20,00 m x 20,00 m, height: 6,40 m • Floor: cast in place concrete, h=180 mm with beams 350x400 mm at the edge Office: • Dimensions: diameter: 10,300 m, height: 7,40 m (without optional story) • Ground floor: prefab pretensioned concrete elements on cast in place concrete beams 350x400 mm • First floor: cast in place concrete, h = 250 mm • Second floor: cast in place concrete, h= 250 mm Overall specifications: • Steel: a total of 11.841 kg • Concrete: 120 m³ cast in place • Foundation: 106 prefabricated concrete piles, pile tip level 14,75 m - N.A.P., pile length 12,00 m Used ESA-Prima Win modules For the calculation of these structures we used ESA-Prima Win version 3.50.466. Besides the base and language module the following modulus have been used: • 3D frame • 3D shell • Connection frame (EC3) • Steelcode check (NEN 6770/6771) • Dynamic document The entire construction is modelled in ESAPrima Win. By using 3D frame as well as 3D shell, we were able to put all the structural elements together. However, the office structure and the hall structure are only connected at the foundation. But it was the best way to make a calculation of the total concrete structure. The following arguments were important making the final decision about the structural analysis and the used modules: • Circular cast in place concrete floors of the office, supported by walls and columns • Only one internal column as centre support of the floors • Complete analysis of the foundation and floors • Accurate analysis of forces and deformations of the steel structure, including influences of connections Although it is not such a big problem to model the complete structure in ESA-Prima Win, we are looking forward to a better communication between the drawing and 124 Company Project Industrial hall and office Oudevaart-Zuid Warmenhuizen SCIA User Contest 2005 / Commercial and industrial building 3 Categorie
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