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001327
2025-01-23

Extension of Pierre Menanteau School Complex and Construction of Multi-Purpose Hall in Le Boupère, France

In Le Boupère, the old multi-purpose hall, built in 1970, had to be demolished. It was no longer up to standard and could not be renovated without significant investment. The Pierre Menanteau school was in need of more space and modern facilities. Therefore, the municipality decided to meet its needs in a single project.
Project in Boupère replacing an outdated multi-purpose hall and extending the Pierre Menanteau school complex
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Multi-Purpose Hall in Le Boupère, France

Project Presentation

This project in the municipality of Le Boupère consists of two parts.

The first part involved the modernization and extension of the Pierre Menanteau school, creating two new classrooms, a covered playground, and a redesigned playground with an educational garden.

The second part consisted of creating a new multi-purpose hall comprising two areas separated by a removable partition: a small area used for school activities during the day and for social activities in the evening, and a large area used for sports clubs, social activities, events, and local celebrations.

The new buildings have been designed to be energy efficient, using bio-sourced materials (straw, wood fiber) to reduce the carbon footprint and meet today's environmental challenges. The project also includes reusing the old parquet flooring of the town hall.

Structural Design

For this project, the company LCA Construction Bois was commissioned to design and build the timber structures, which represent 130 m³ (28,596 imp gal) and 1,207 m² (12,992 ft²) of timber frame walls, including 355 m² (3,606 ft²) of straw insulation, 1,140 m² (12,271 ft²) of cladding, and 33 exterior timber components made of composite materials and curtain walls.

We are particularly interested in the multi-purpose hall. The largest area, used for sports and other activities, comprises a main structure consisting of four glulam portal frames spanning 18 m (59 ft), with a height of 7 m (23 ft) at the ridge. The gable roof, featuring photovoltaic panels, is supported by asymmetrical tapered beams. Timber frame walls form the two gables of the structure, bracing the frame structure. The gable attached to the small hall has an opening of 9.5 m (31.2 ft), allowing for the installation of the removable partition system.

The smaller space attached to the main hall consists of a timber-framed structure and a glued-laminated timber frame that forms a multiple roof. The roof overhangs provide a space for a raised terrace, and are supported by metal beams of circular cross-section.

Structural Analysis Software

The engineering office of the LCA Construction Bois company carried out the global modeling of the multi-purpose hall using RFEM 5.

The RF-TIMBER Pro add-on module was used to analyze and design the laminated timber structures and framing system in compliance with EN 1995.

As the project is located in Seismic Zone 3, a seismic analysis was carried out using the modules of the RF-DYNAM Pro family.

Location 85510 Le Boupère
France
Investor Le Boupère City Council, France
Architect KASO Atelier d’architecture
Structural Design and Construction LCA Construction Bois

Project Specifications

Model Data

Number of Nodes 1335
Number of Lines 1711
Number of Members 1590
Number of Surfaces 75
Number of Load Cases 38
Number of Load Combinations 235
Number of Result Combinations 17
Total Weight 99.905 t
Dimensions (Metric) 41.563 x 37.005 x 8.411 m
Dimensions (Imperial) 136.36 x 121.41 x 27.6 feet
Program Version 5.31.01

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Events
Videos
Models to Download
Knowledge Base Articles
Visualization of the shear flow result diagram and acting forces on a timber panel wall
In this article, the design of a timber panel wall with the beam panel thickness type is performed.
Illustration of equivalent lateral force method for seismic analysis in structural engineering
This article provides a comprehensive overview of essential seismic analysis methods, explaining their principles and applications, as well as the scenarios in which they are most effective
Fire design according to Chapter 16 of the NDS [1] for wood members and surfaces is available in the Timber Design add-on. This article shows how the charring of wood and reduced cross-sectional dimensions can be accounted for in the fire design with an example from AWC Technical Report No. 10 [2].
KB 001825 | WebService & API for Analysis of Construction Stages
When calculating regular structures, data input is often not complicated, but it is time-consuming. Save your valuable time with input automation. The task described in the present article is to consider the stories of a house as single construction stages. Data are entered using a C# program so that the user does not have to enter the elements of the individual floors manually.
Screenshots
Product Features
Feature 002901 | Plywood Materials According to ANSI/APA PRG 510 Plywood Standard (USA/CAN) in RFEM Material Library

In the material library of RFEM, you can find plywood materials according to the US and Canadian standards ANSI/APA PRG 510 Plywood (USA/CAN).

Feature 002870 | Charring Diagram

For the fire resistance design of timber surfaces, you can display a charring diagram depending on the time of fire exposure.

It is also possible to print this charring diagram into the printout report.

Feature 002824 | OSB Material for USA and Canada

In RFEM, the oriented strand board (OSB) material is available for the USA and Canada. The material parameters are taken from the "Panel Design Specification manual".

Feature 002792 | Timber Panel Element

Using the "Beam Panel" thickness type, you can model timber panel elements in 3D space. Simply specify the surface geometry and the timber panel elements are automatically generated using an internal member-surface construct, including the element connection stiffness. The Beam Panel thickness type is defined using the Multilayer Surfaces add-on.

A "beam panel" provides you with the following advantages:

  • Single-sided or double-sided sheathing
  • Automatic calculation of a semi-rigid coupling between studs and sheathing
    • Nailed sheathing connection
    • Stapled sheathing connection
    • User-defined sheathing connection
  • Representation as a complete geometric 3D object (frame, studs, surface, etc.), including eccentricity and automatically calculated stiffness between elements
  • Consider openings via surface cells
  • Design of the individual structural elements utilizing the Timber Design add-on (full shear wall design planned for a future release)
  • Other material options available (e.g., particle board, gypsum, or fiberboard sheathing with cold-formed steel sections)
Frequently Asked Questions (FAQ)

Do I need to add a line hinge/line release for the CLT wall-to-floor connection in the Building Model add-on?
How can I add counteracting dead loads (0.9*D) in NBC load combinations?
How can I perform member design by case for different settings in the design configuration?
How can I exclude the dead load in NBC load combinations when performing a deflection check?
What is the conservatism factor for CLT in Timber Design?
How can the NDS and CSA O86 factors be manually adjusted for consideration in the Timber Design add-on?
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