Construction of a Jo&Joe Hotel Building in Gentilly, France
Customer Project
This project represents a major technical challenge for the company Le Bras Frères, of which the new team embodies an internal generational shift highlighted by a significant desire to increase skills and productivity through new investments (acquisition of a size K2i machine, extension of production facilities, and so on).
| Investor | ACCOR |
| Architect | Jean-Paul Viguier and Associates |
| Engineering Office |
Le Bras Frères |
| Timber structure and facade | Le Bras Frères |
Model Parameters
Model
Design
This project was conducted on behalf of the ACCOR HOTELS hotel group, consisting of the construction of a JO&JOE Hotel building located in Gentilly in the southern region of Paris, France.
This construction project contains the features as described below:
- A completely concrete basement
- A ground floor made of concrete
- Second through eighth floors featuring a timber outline with concrete cores
The timber frame construction covers the following elements:
- CLT panels shaping facade walls
- CLT panels shaping interior walls
- LC timber columns
- LVL backing columns
- LC timber beams and lintels
- Steel beams
- Metal angles supporting the openings
- CLT panels shaping the floors
- COFRADAL floor
- Various achievements
The facades are covered with a liner tray-type metal cladding made of thin metal sheet. The use of spacers composed of metal angles, mechanically attached to the plates or the shell supports, allows three-dimensional adjustment.
The slats are fastened to metal rails and the thermal insulation is mechanically ensured thanks to spacers.
Design Software
A 3D model of the timber structure and the steel beams was generated to lower the loads on the shell (concrete cores and walls). The rest of the analysis focused on the design check of the CLT floors. The outlining of the layer structure of the CLT panels from the manufacturer (Egoin) and the design of the panels were performed by the RF-LAMINATE module, which integrates a wide range of CLT panel suppliers.
Each floor level is supported on the edges by CLT walls. The floors in the public areas of the hotel are supported by timber and steel beams. The design of the timber beams as well as their fire resistance were carried out with the RF-TIMBER Pro module according to Eurocode 5. The steel beams were designed according to the same principle based on Eurocode 3, relying on the RF-STEEL EC3 module.
Project Location
Keywords
Timber structure RFEM RF-LAMINATE RF-TIMBER Pro RF-STEEL EC3
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New
Timber Member Compression Perpendicular to the Grain acc. to NDS 2018 and CSA O86:19
A standard scenario in timber member construction is the ability to connect smaller members by means of bearing on a larger girder member. Additionally, member end conditions may include a similar situation where the beam is bearing on a support type. In either scenario, the beam must be designed to consider the bearing capacity perpendicular to the grain according to the NDS 2018 (Sect. 3.10.2) and the CSA O86:19 (Clause 6.5.6 and 7.5.9). In the new generation RFEM 6 and Timber Design add-on, the added feature 'design supports' now allows users to comply with the NDS and CSA bearing perpendicular to the grain design checks.
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