72 SCIA User Contest 2007 • Category 3 • CAE Civil Works CAE Civil Works 3 A steel and concrete engineering company The engineering firm Stendess was founded by an experienced team specialising in the study and design of steel constructions. From its establishment in 2002, Stendess has made high quality and full service provision its top priority. Thanks to this integral service, where the design of the metal superstructure and the concrete substructure are calculated and drawn by experts in the same office, the building owner and principal contractor retain 100 % control over the complete structure. Stendess can follow up on cross-border projects in accordance with most standards and codes: Eurocode, NBN, NEN, DIN, NF, AISC, Britisch Standards and specific national codes. Key activities • Industrial buildings: steel factories, power plants, depots, etc, • Other buildings: service buildings, concert halls, sport facilities, swimming pools, apartment buildings, • Bridge constructions: arch bridges, cable –stayed bridge, suspension bridges, bascule bridges, swing bridges, orthotropic bridge, mixed steel-concrete bridges,… • Off-shore projects: lock gates, Roro, oil rigs, … • Industrial equipment: silos, cranes, craneways, storage tanks,… • Erection engineering: longitudinal and transverse repositioning, skidding, lifting, bridge launching… Locations of the constructions: Belgium, the Netherlands, France, Germany, United Kingdom, Spain, Sweden, Saudi Arabia, Greece, Singapore, Chili, Brasil, Cameroun, Russia, Thailand … Ingenieursbureau Stendess N.V. Address Grote Baan 18 • 9920 Lovendegem (BE) Telephone +32 9 370 71 25 Fax +32 9 372 43 95 Contact Mr ir. Jurn De Vleeschauwer Email [email protected] Website www.stendess.com Bridge ‘Olsene’ across the ‘Leie’ river The existing concrete bridge had to be replaced by a new bridge and this for two reasons. Firstly, the stability of the existing bridge was no longer guaranteed for the increased traffic intensity. Secondly, the free passing under the existing bridge was limited in height and width and too small for the current ships to pass. The new bridge is a steel bridge with a span of 110 m, consisting of 2 drive lanes of 4 m and 2 lanes for pedestrians of 2,5 m. The bridge is an arched bridge (bowstring) with inclined arches of which the cross sections vary as well in height and in width along the bridge span. For the bridge deck an orthotropic steel deck with longitudinal trapezoidal stiffeners was chosen. The bridge is different from a classic bowstring bridge because the suspensions of the deck at the arch are not connected to the main deck beams. The suspensions are connected at the transverse beams, which support the main deck beams. The whole bridge was completely preassembled in the workshop, so that the assembly on the spot could be done smoothly. Bridge ‘Olsene’ across the ‘ Leie’ river Used software • SCIA•ESA PT, ESA-Prima Win
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