Office and Retail Building Palazzo Meridia, Nice, France
Customer Project
The recent trend in high-rise construction is clearly dominated by timber as the most ecological and environmentally friendly material. The project promoter Nexity Resolutely is committed to constructive building solutions with a reduced carbon footprint through various labels and certifications included in their several office and commercial timber projects.Among these is the Palazzo Meridia which is currently the tallest CLT office building in France. The Dlubal customer CBS-Lifteam was responsible for the planning, supply and installation of the timber structure.
| Customer |
Nexity, Ywood www.nexity.fr |
| Architect | Architecture-Studio, France |
| Timber Structural Analysis and Design |
CBS-Lifteam www.cbs-cbt.com |
Model
The Palazzo Meridia is a 10-story office building, where 9 stories are constructed with timber. With a total height of 115 ft, its ground area is 181 ft long and 56 ft wide. The basement which accommodates 31 parking spaces, first floor and two staircases are made of reinforced concrete. A remarkable, open metal facade supports the corridors and allows the plants to climb up the facade.Calculation and Modeling
The concrete staircases act as bracing for the entire timber-frame structure consisting of visible glulam beams and CLT facade elements. Large CLT panels with dimensions of 11 ft x 56 ft and 9 ft x 56 ft were used for the facade walls and floors to speed up assembly. The building construction was reduced to 5 months saving a total of 10 days per story.For comparable results with the reinforced concrete design carried out by a partner engineering office, CBS-Lifteam created a multi-material timber and concrete model including all structure stiffnesses. In this context, the RF-DYNAM Pro module made it possible to determine the seismic forces and the deformations.
The structural analysis of the CLT elements was carried out with the RF-LAMINATE add-on module. RF-TIMBER Pro was used to dimension the components of the column-beam structure. Since the office building is located in a region prone to earthquakes, (in Nice, earthquake zone 4), a seismic analysis was considered assuming the horizontal forces would be transmitted by the CLT floors acting as diaphragms to the concrete staircases. The timber facades would not contribute additional bracing to the structure.
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New
Once you have determined the final tendon geometry in RF‑TENDON, exporting the model to a CAD program can be useful. For this purpose, the module includes the option to export the file in the .dxf file format.
Material Model Orthotropic Masonry 2D
The material model Orthotropic Masonry 2D is an elastoplastic model that additionally allows softening of the material, which can be different in the local x- and y-direction of a surface. The material model is suitable for (unreinforced) masonry walls with in-plane loads.
- When should the punching load be determined with the (un)smoothed distribution of the shear forces at the critical perimeter?
- I would like to perform the punching shear design on a column with connected downstand beams as a wall corner or Perform wall end. However, the module applies an internal column. Is it possible to adjust it?
- I am getting the message that my material does not meet the requirements of the current standard. How can I correct this?
- Is it possible to design bidirectional ribbed plates, unidirectional ribbed plates, or hollow core slabs in RFEM?
- Why are the values of a column base, head or center on the individual columns only displayed partially for the results from the calculation in RF‑CONCRETE Columns?
- In RF-/TIMBER AWC and RF-/TIMBER CSA, I receive the error that says torsion limit exceeded. How do I bypass this error message?
- Why is the strength always reduced by the kmod value of 0.6 during the calculation in the RF‑LAMINATE add‑on module, although I have load combinations with variable loads?
- Can I consider a reduction of the stiffness according to the German regulation NCI NA.5.9 in TIMBER Pro?
- What should be considered when using a failure of columns under tension in the RF‑/DYNAM Pro – Equivalent Loads add-on module?
- I have selected all available members for design in RF-/TIMBER Pro. Why are tapered members not designed?
Programs Used for Structural Analysis
Add-on Module
Timber design according to Eurocode 5, SIA 265 and/or DIN 1052
1,120.00 USD
Add-on Module
Deflection analysis and stress design of laminate and sandwich surfaces
1,120.00 USD
Add-on Module
Dynamic analysis of natural frequencies and mode shapes of member, surface, and solid models
1,030.00 USD
Add-on Module
Seismic and static load analysis using the multi-modal response spectrum analysis
760.00 USD
Add-on Module
Dynamic and seismic analysis including time history analysis and multi-modal response spectrum analysis
1,120.00 USD
Add-on Module
Nonlinear dynamic analysis to external excitations
1,120.00 USD
