Residential Timber Buildings in Strasbourg, France
Customer Project
Todays’ design methods and fabrication techniques of CLT panels allow for easier design and construction of high‑rise timber buildings.“Îlot bois de Strasbourg” is one of the first CLT building project in France that exceeds 98 ft in height. This building complex consisting of three high‑rise buildings provides commercial space on the ground floor and 146 residential units on the upper floors. The entire structure has a total area of 100,104 ft².
| Structural Analysis |
Ingénierie Bois Bischheim, France www.ingenieriebois.fr |
| General Contractor and Concrete Design |
Eiffage Construction Oberhausbergen, France www.eiffageconstruction.com |
| Architecture |
ASP Architecture Saint-Dié-des-Vosges, France |
| Investor |
Bouygues Immobilier Strasbourg, France www.bouygues-immobilier.com |
Model
Structure and Design
The structural concept of the building with 11 above-ground floors is based on using several types of the CLT panels, depending on the floor. That is, the higher is the floor the smaller is the panel thickness. The cross‑laminated timber walls ensure the stability of the building.
Due to the diaphragm effect of the floors, the horizontal forces caused by seismic activity and wind are transferred by the vertical supporting members to the foundations.
The floors are supported by a glulam column-beam system that does not contribute to the stability of the building. Some of the timber downstand beams are replaced by steel beams. The bottom reinforced concrete part of the structure (ground floor) is very important as it absorbs the vertical and horizontal loads from the upper floors and transfers them on the pile heads.
For the design of the CLT panels and for seismic analysis, the structural analysis software RFEM has been used.
Project Location
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Programs Used for Structural Analysis
RFEM
Main Program
Main Program
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
Price of First License
3,540.00 USD
3,540.00 USD
RFEM
Dynamic Analysis
Add-on Module
Dynamic analysis of natural frequencies and mode shapes of member, surface, and solid models
Price of First License
1,030.00 USD
1,030.00 USD
RFEM
Other
Add-on Module
Deflection analysis and stress design of laminate and sandwich surfaces
Price of First License
1,120.00 USD
1,120.00 USD
RFEM
Concrete Structures
Add-on Module
Design of reinforced concrete members and surfaces (plates, walls, planar structures, shells)
Price of First License
810.00 USD
810.00 USD
