General contractor: FCC a.s., Prague, Czech Republic Length: 52m With: 27m Height: 17m Volume: 14 500m3 Mass: 136 000kg of steel + 30 000kg of ribbed sheets. Why is this project important? The building is located on one of the main streets of Prague connecting airport with downtown. It will be very visible and will dominate at this part of the city. Why is this project so special? The new steel structure is to be connected to existing reinforced concrete frame structure and utilize stiffness of this structure up to 2nd floor. On the roof of concrete part of building was erected steel frame structure several years ago. This structure will become a part of a new steel structure but it must be strengthened due to new loads. Several problems have occurred within the work over the steel design. The claim was bolted connections of members and possibility of floor after floor assembling (no continuous columns), shape of bearing steel structure (pyramid turned upside down), no fixed-end anchorage on existing concrete frame structure (only hinges) and big forces in anchorage. Use of ESA-Prima Win Description of the technical questions to be solved with ESA-Prima Win: The first problem was the geometry of designed steel structure. Using of DXF files created in AutoCAD solved this one. The other one was a static diagram of structure and its stiffness regarding the claims for assembling. A description of your experience with ESA-Prima Win when realising the project: I would say that my experience with ESA-Prima Win is long enough (over 10 years now) and the fact that I am a faithful user means my satisfaction with software. There was no surprise for me when realising the project. I appreciate a flexibility of the program and its fastness. There are some details I would welcome but nothing fundamental. Modules used: Nexis 32 release 3.30.09, P3D, DO1, OP 71 SCIA User Contest Catalog
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