Marie Curie School Timber-and-Steel Structures' Preliminary Design in Fontoy, France
The general contractor Demathieu Bard Construction commissioned Dlubal customer BET Moselle Bois to carry out the timber-and-steel structures' preliminary design. The projects are part of the Marie Curie School located in Fontoy, in the Moselle district.
Moselle District, France
KL Architectes, Metz, France
Bagard & Luron Architectes, Nancy, France
BMB-BET Moselle Bois, Saint Julien Lès Metz, France
Demathieu Bard Construction, Montigny-lès-Metz, France
RFEM Data for the Bicycle Shelter
New School Building Entrance
The wood structure of the school’s entrance is a half glued laminated timber frame. Web plate connections were used between the posts and the rafters. In the upper section, the rafters are supported at one end on a concrete wall.
The timber posts include a pinned support to the concrete floor with members spanning each post.
A longitudinal beam further supports the roof purlins.
New Bicycle Shelter
The bicycle shelter includes a steel frame with circular columns pinned at the ground level. The purlins and rafters are I-sections. The columns are rigidly connected to the rafters. An I-section plate is welded at the top of the column to secure the connection with the purlins.
The frames are oriented in the longitudinal direction and the purlins are fixed on each side.
A vertical slat cladding at the roof level is attached to the top purlins and bottom plates.
BET Moselle Bois carried out the 3D frame preliminary design utilizing RFEM structural analysis software. The required designs according to Eurocode 5 for the timber structure and Eurocode 3 for the steel structure were performed with the RF-TIMBER Pro and RF-STEEL EC3 add-on modules.
Project LocationRue de Verdun
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Extension of the RF-/STEEL Warping Erosion module | Lateral -torsional buckling analyzes of members according to the second -order theory with 7 degrees of freedom
RFEM/RSTAB add-on module RF-/JOINTS Steel-Tower | Hinged connections of lattice tower members according to EC 3
RFEM/RSTAB add-on module RF-/JOINTS Timber-Timber to Timber | Design of direct timber connections according to Eurocode 5
RFEM/RSTAB Add-on Module RF-IMP/RSIMP | Generation of Geometric Replacement Imperfections and Pre-deformed Replacement Structures
RFEM/RSTAB add-on module RF-/JOINTS Steel-Column Base | Hinged and restrained column bases according to EC 3
SHAPE-THIN determines the effective cross-sections according to EN 1993-1-3 and EN 1993-1-5 for cold-formed sections. You can optionally check the geometric conditions for the applicability of the standard specified in EN 1993‑1‑3, Section 5.2.
The effects of local plate buckling are considered according to the method of reduced widths and the possible buckling of stiffeners (instability) is considered for stiffened sections according to EN 1993-1-3, Section 5.5.
As an option, you can perform an iterative calculation to optimize the effective cross-section.
You can display the effective cross-sections graphically.
Read more about designing cold-formed sections with SHAPE-THIN and RF-/STEEL Cold-Formed Sections in this technical article: Design of a Thin-Walled, Cold-Formed C-Section According to EN 1993-1-3.
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Programs Used for Structural Analysis
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
Timber design according to Eurocode 5, SIA 265 and/or DIN 1052
Design of steel members according to Eurocode 3