49 Category 1: Buildings 1 Owner Hülster Immobilien GmbH & Co. KG Architect Architekturbüro Achim Becker General Contractor Fritz Meyer GmbH Engineering Office Ingenieurbüro Mentges Construction Period 06/2013 - 06/2014 3D structural design of a residential and office building with 57 housing units and 1500 m² of commercial space in the city centre of Siegburg. For this new building, IB Mentges optimally used 3D software tools from the Nemetschek Group. In this important regional project, the private contractor succeeded with providing 57 housing units of affordable housing for older people and a full-range food supplier in this downtown location. The challenge for IB Mentges lied in checking the earthquake loads. A simplified verification was not possible due to the geometry of the structure and stiffened elements in the ground plane. The 4 floors of the residential area were split to 4 sections on the ground plane and reconnected using a continuous structural slab. The foundation was planned outside of IB Mentges. IB Mentges transferred the 2D data from architects into a 3D data in Allplan where the structure was easily modelled. This 3D model was then transferred to SCIA Engineer through IFC and the analysis model was generated. The earthquake verification was performed in SCIA Engineer according to EC8. The checks of the floor and other supporting members under live loads were verified with the Frilo software. The reinforcement was designed in 3D, which is a common practice at IB Mentges. As a result, not only optimized planning results were obtained, but a poster made of the image of the reinforcement scheme decorated the client’s office. New Residential and Commercial Building - Siegburg, Germany SE AP Ingenieurbüro Mentges Contact Oliver Mentges Address Aulgasse 176 53721 Siegburg, Germany Website www.ib-mentges.de For 20 years the engineering company Mentges designs structures and buildings in concrete, steel or timber for industrial, commercial, residential and administrative purposes. The customer base today is crossing regional borders with nationwide projects. Mr. Mentges set BIM approaches in his thesis already in 1989 and therefore relies on the technology leader Nemetschek Group. Structural analysis and detailing with SCIA Engineer and Allplan is a real BIM. The consistent 3D design is not a goal in itself, but for the 3 engineers involved it represents a way to produce an optimal design with a minimised possibility of errors.
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