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NeyAndPartners FootbridgeTervuren OPENING WEBBIG03@CorentinHaubruge
NeyAndPartners FootbridgeTervuren OPENING WEBBIG07@CorentinHaubruge

18.053

R0 Timber Footbrigde

Belgium

Tervuren

Context

As part of the optimization of the R0 East ring in Brussels, a comprehensive set of measures is being developed to promote sustainable mobility. One such measure is the construction of a footbridge over the Vier Armen junction in Tervuren. This bridge will provide a direct connection for cyclists and pedestrians over the high traffic lanes. Located in the Sonian forest, this new timber footbridge is 67.5 meters in length. The selection of wood for this project was not solely for aesthetic reasons, but also to take advantage of its structural properties, which were fully integrated into the structural design.

Particularities

The bridge design features an innovative pentagonal box girder structure with G-LVL panels. A variation in structure height, ranging from 5 to 7 m above the bridge deck, allows a low deck height to enhance cyclist comfort. The bridge deck itself is 6 m wide. The footbridge’s structure is composed of glued LVL panels, which were used for all the main structural elements. These panels are made of 2 to 7 layers of Kerto Q (from Metsäwood), resulting in a final thickness of up to 22 cm. The thickness of each panel has been carefully optimized to match the specific forces it will encounter. The cross section of the footbridge combines a deck, facades, and roof panels, which are joined by a series of inclined screws to transfer shear forces between each panel. Transversal LVL frames, placed every 3 meters inside the bridge, ensure lateral stability. The footbridge incorporates two steel portals at each end, which transfer these forces to the supports, enhancing the overall stiffness of the structure.

Given the bridge’s considerable span, it was divided into six segments, each no longer than 12 meters to comply with conventional transport limits. The segments were prefabricated on the ground near Tervuren Avenue, about 800 meters from the final installation site. The segments were joined using embedded steel plates and dowels, with special attention paid to creating moisture-resistant connections to ensure long-term durability.

To protect the wooden structure from environmental elements, the bridge features an extended roof made of aluminum panels that shields the structure from rain at a 45° angle. Construction was strategically planned in six stages to ensure that the wood was quickly covered and protected from water stagnation. This methodical approach significantly enhances the longevity and maintenance of the bridge.

Mission Type
Complete mission by Ney & PartnersTimber structure by WOW engineering
Location

Vier Armen, 3080 Tervuren, BELGIUM

Study
2021
Execution
2022
Architect
Ney and Partners
Client
Flemish Government & De Werkvennootschap (DWV)
Contractor
Holzbau Amannsblumer ZT GmbHViabuild
© Copyrights
Corentin HaubrugeNey & Partners

Modelisation

Complete Design
DCIM101MEDIADJI_0057.JPG
NeyandPartners ROoost F29K 02 WEBBIG©NeyandPartners
NeyandPartners ROoost F29K 04 WEBBIG©NeyandPartners
NeyandPartners ROoost F29K 05 WEBBIG©NeyandPartners
NeyandPartners ROoost F29K 01 WEBBIG©NeyandPartners

Construction site

230712 NEY TERVUEREN P0 0001
230712 NEY TERVUEREN P0 0002
230712 NEY TERVUEREN P0 0003
230712 NEY TERVUEREN P0 0004
230712 NEY TERVUEREN P0 0005
230712 NEY TERVUEREN P0 0006
231111 NEY TERVUEREN P2 0013 5000
231111 NEY TERVUEREN P2 0014 5000
231111 NEY TERVUEREN P2 0033 X 5000
231111 NEY TERVUEREN P2 0121 X 5000
231115 13h21 NEY TERVUEREN P3 R51 0056 X 5000
231115 13h23 NEY TERVUEREN P3 R51 0072 X 5000
231115 14h03 NEY TERVUEREN P3 R51 0155 5000
231115 14h05 NEY TERVUEREN P3 R52 0100 5000
231115 14h09 NEY TERVUEREN P3 R52 0114 5000
231115 15h10 NEY TERVUEREN P3 R52 0162 5000
231115 15h45 NEY TERVUEREN P3 R51 0293 X 5000
231115 15h48 NEY TERVUEREN P3 R51 0305 X 5000
231115 15h58 NEY TERVUEREN P3 R51 0349 X 5000
231115 NEY TERVUEREN P3 R51 0056 X Insta 2000x2000
231120 12h44 NEY TERVUEREN P4 R51 0023 X 3600
231120 14h10 NEY TERVUEREN P4 R51 0078 3600
231120 15h09 NEY TERVUEREN P4 R51 0176 3600
231122 11h09 NEY TERVUEREN P6 R51 0009 5000
231122 11h37 NEY TERVUEREN P6 R52 0057 5000
231122 12h42 NEY TERVUEREN P6 R51 0161 5000
231122 14h31 NEY TERVUEREN P6 R52 0258 5000
231122 15h37 NEY TERVUEREN P6 R51 0392 5000
231122 15h39 NEY TERVUEREN P6 R51 0398 X 5000
240112 NEY TERVUEREN P7 R51 0011 X 5000
240112 NEY TERVUEREN P7 R52 0008 5000
240118 NEY TERVUEREN P9 R51 0155 X 5000
240118 NEY TERVUEREN P9 R51 0208 X 5000
240119 NEY TERVUEREN P10 R51 0020 X 5000
240921 09h54 NEY TERVUEREN P12 0238 5000
240921 10h59 NEY TERVUEREN P12 0404 5000
240921 10h21 NEY TERVUEREN P12 0293 5000
240922 01h02 NEY TERVUEREN P12 0941 5000
240922 01h10 NEY TERVUEREN P12 0943 5000

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