Kauffman Center for the Performing Arts, Kansas City, Missouri, USA
The Kauffman Center for the Performing Arts located in Kansas City, MO has a floor space of 286,000 ft2. The glass atrium is the signature feature of this building (dimensions L x W x H: 317 ft x 73 ft x 70 ft) which connects the main entry to both performance venues.
Safdie Architects, USA
JE Dunn Construction Co., USA
|Planning, Structural Analysis & Atrium Construction||
Novum Structures LLC, USA
The glass facade and the glass skylight are supported entirely by the cable structure. This design was conceived as a cello’s strings fanning over a bridge and fret-board.
The structural analysis of the atrium steel‑glass structure was performed using RSTAB by the Dlubal customer Novum Structures. In addition, Novum was responsible for engineering, fabricating and constructing the project.
The two massive steel constructions that house the theatres (Muriel Kauffman Theatre and Helzberg Hall) hold the upper end of a series of parallel cable trusses. The low end of the cables are anchored externally in the second floor slab after crossing pipe columns that define the line of the glazed walls and act as cable stays. In addition, they form the primary roof and perimeter frame structure. Lightweight steel purlins, spanning between adjacent roof cable trusses, support the skylight glass units which are secured with Novum’s Edge Clamp Glass System. A secondary cable system of vertical and inclined cables supports the glass wall units and are secured with Novum’s Corner Clamped Glass System.
The atrium contains 48,300 ft² of insulating, laminated glass that is comprised of 1,147 irregularly shaped segments, each weighing 600 to 800 lbs. The primary rectangular glass panels on the roof are 2 1/16 in thick. The wall panels are 1 3/4 in thick.
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Since wind on laterally open structures is not addressed in the Eurocode, the 4 cases of the German DIN 1055 Part 4 are referenced.
3D model of the steel structure with the results of structural design according to GB 50017-2003 in RSTAB (© Novum Structures LLC)
SHAPE-THIN determines the effective cross-sections according to EN 1993-1-3 and EN 1993-1-5 for cold-formed sections. You can optionally check the geometric conditions for the applicability of the standard specified in EN 1993‑1‑3, Section 5.2.
The effects of local plate buckling are considered according to the method of reduced widths and the possible buckling of stiffeners (instability) is considered for stiffened sections according to EN 1993-1-3, Section 5.5.
As an option, you can perform an iterative calculation to optimize the effective cross-section.
You can display the effective cross-sections graphically.
Read more about designing cold-formed sections with SHAPE-THIN and RF-/STEEL Cold-Formed Sections in this technical article: Design of a Thin-Walled, Cold-Formed C-Section According to EN 1993-1-3.
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