Residential Timber Buildings in Strasbourg, France
Customer Project
Modern 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 projects in France to exceed 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 aboveground floors is based on using several types of CLT panels, depending on the floor. That is, the higher the floor, the lower 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 to the pile heads.
For the design of the CLT panels and for seismic analysis, structural analysis software RFEM was used.
Project Location
Keywords
France Building Laminate and sandwich structures Timber structures
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Local Buckling of Flexural Members per ADM 2020 in RFEM 6
This article discusses the options available for determining the nominal flexural strength, Mnlb for the limit state of local buckling when designing according to the 2020 Aluminum Design Manual.
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Why the eHORA map of Austria gives different snow loads than your Geo-Zone tool?
- Why does the load wizard "Member Load from Area Load" give unnecessary concentrated loads?
- How can I carry out case-related design for different load situations?
- How can I modify the lamella thickness for a glulam section in RFEM 6?
- How do I define a member as a cantilever and not as supported at both ends for serviceability or deflection design?
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I would like to export nodal support forces of several load cases, load combinations and result combinations into an Excel spreadsheet in RFEM 6. How should I proceed?
- Where can find the option to hide the defined types (for example, design supports or effective lengths)?
- How do I create a user-defined Design Situation with my own chosen load combinations?
- How can I neglect torsion in the steel and timber design?
- How do I perform stability analysis to determine the critical load factor in RFEM 6?
Programs Used for Structural Analysis
- Why does the load wizard "Member Load from Area Load" give unnecessary concentrated loads?