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A platform for research: civil engineering, architecture and urbanism
Design Details at an Office Building with Unusual Solutions
In the course of the reorganisation of the scientific- and business-parc Berlin-Adlershof, the Innovation Center of Information Technology was built in 1997/1998 on behalf of WISTA Management GmbH. The architectural design allowed for an innovative concept with regard to german conditions. The system requirements and the desire to leave the primary construction largely visible with exposed steel led to a composite construction with some special technical solutions: 1) The Slimfloor ceiling system consists of axial beams with asymmetrical cross-section and a 210mm high trapezium profile. The total construction hight is 320mm with a span of 7.2m support grid and design in F90. The shear-plate-effect of the ceiling system had to be guaranteed for high horizontal forces; the concrete cover above the beams' flange amounted to only a few centimetres. This called for shear-stress to pass across the steel girder. 2) The main columns of the building form an inverted pyramid system. Considerable stabilization forces thereby develop as well as locally concentrated load-discharges at pivot-points. These are taken over by massive steel parts which project into the columns. Through additional pneumatic concrete-filling of the tube sections a composite construction develops, which at the same time guarantees the fire protection of the connection areas. 3) The storey columns were built with square pipes, which were filled with reinforced concrete to have F90 quality (90 minutes of fire resistance). 4) Further planning requirements required unusual design-solutions in detailing, e.g. i) shear plates with a hight shift ii) suspended conference rooms iii) suspension of the lower glass-facade The building was completed and put into operation in February 1999.
Design Details at an Office Building with Unusual Solutions
In the course of the reorganisation of the scientific- and business-parc Berlin-Adlershof, the Innovation Center of Information Technology was built in 1997/1998 on behalf of WISTA Management GmbH. The architectural design allowed for an innovative concept with regard to german conditions. The system requirements and the desire to leave the primary construction largely visible with exposed steel led to a composite construction with some special technical solutions: 1) The Slimfloor ceiling system consists of axial beams with asymmetrical cross-section and a 210mm high trapezium profile. The total construction hight is 320mm with a span of 7.2m support grid and design in F90. The shear-plate-effect of the ceiling system had to be guaranteed for high horizontal forces; the concrete cover above the beams' flange amounted to only a few centimetres. This called for shear-stress to pass across the steel girder. 2) The main columns of the building form an inverted pyramid system. Considerable stabilization forces thereby develop as well as locally concentrated load-discharges at pivot-points. These are taken over by massive steel parts which project into the columns. Through additional pneumatic concrete-filling of the tube sections a composite construction develops, which at the same time guarantees the fire protection of the connection areas. 3) The storey columns were built with square pipes, which were filled with reinforced concrete to have F90 quality (90 minutes of fire resistance). 4) Further planning requirements required unusual design-solutions in detailing, e.g. i) shear plates with a hight shift ii) suspended conference rooms iii) suspension of the lower glass-facade The building was completed and put into operation in February 1999.
Design Details at an Office Building with Unusual Solutions
Diekmann, Christoph (author)
Composite Construction in Steel and Concrete IV Conference 2000 ; 2000 ; Banff, Alberta, Canada
2002-05-22
Conference paper
Electronic Resource
English
Design Details at an Office Building with Unusual Solutions
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