69 Category 2: Civil Structures 2 Owner Waterwegen en Zeekanaal NV Architect Zwarts & Jansma Architects Engineering Office Arcadis Construction Period 2018 - 2020 The present Theunis bridge will be replaced by three new bridges, two road bridges with cantilever bicycle lanes and a tram bridge, to allow for four-layer container transport on the Albert Canal. The Theunis bridge can be seen from the Antwerp ring and is situated close to Sportpaleis, one of the largest concert halls in Belgium. The bridge is designed in such a way that each element follows the flow of forces that hold the bridges in place. The three bridges are curved in two planes and span a total length of 170 m, divided into three spans of 32.5 m, 105 m and 32.5 m. Due to the complexity of the bridge geometry, SCIA Engineer was used to check the statics and stability of each element as well as the dynamics of the bicycle lanes and the bridge resistance against fatigue. For the tram bridge, a special model was made to calculate the rail-bridge interaction, due to the transversal movement at expansion devices had to be limited to 2 mm. SCIA Engineer was used to perform non-linear calculations to determine the correct relative displacements of the rails. As the side spans are short in comparison to the main long span, the reaction forces in abutments directed upwards. It was decided to work with reverse abutments so that simple supporting devices (working mostly in compression) could be used. Burgemeester Gabriel Theunis Bridge - Antwerp, Belgium Arcadis Contact Karen Troen Address City Link Posthofbrug 12 2600 Antwerpen, Belgium Website www.arcadis.com Arcadis is the leading global Design & Consultancy firm for natural and built assets. It is a worldwide engineering and consultancy company which delivers design, engineering, consulting and management services in the infrastructure, water, environment and building sectors. Arcadis was established in 1888 and now has over 350 offices in over 40 countries around the world and a revenue of €3.4 billion. The company is active in projects in more than 70 countries and gives clients access to a 27,000 people strong pool of knowledge and resource.
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