60 Category 1: Buildings 1 World Archery Center - Lausanne, Switzerland SE Contact Patrick Besson, Cyril Chevallay Address Rue Du Centre 16 1023 Crissier, Switzerland Website www.mp-ingenieurs.ch Founded in 1994, our company, based in Lausanne Switzerland, operates in various domains of civil engineering. Specializing in structural design, we are experts in composite steel, concrete and wood, concrete construction, cellular beams ACB, seismic design and fire engineering. With advanced software, we are able to produce workshop drawings including site plans, construction drawings, and assembly and details with 3D rendering. Thanks to over 20 years of experience and knowledge, we can provide our clients with the most advanced solution from a technical and economical point of view, while respecting architectural constraints. Owner Fondation Internationale De Développement Du Tir A L’arc Architect J. Pittet et B. Tardin, Architectes EPFL - SIA - FAS General Contractor FIDTA Engineering Office MP Ingénieurs Conseils SA Construction Period 11/2014 - 06/2016 Under the leadership of its former president, the FIDTA built the World Archery Centre, which includes an outdoor field of 50 x 115 m and an indoor shooting gallery of 35 x 90 m. The construction site is located in the northern part of Lausanne (Vers-chez-les-Blanc), near its headquarters. The challenge with this design was to create a free area of H. 5.00 x W. 29.80 x L. 74.50 without using any load bearing elements on the ground floor. Both the basement and the ground floor are made of concrete. The structure of the storey has the particularity to support the roof and hold the first floor above the shooting hall. This main construction element is realized using a steel Vierendeel girder. The lower chord is in the plane of the floor, while the upper chord is in the plane of the roof. The raised floor is made up of a precast cellular slab in prestressed concrete and upper chords are connected and stabilized by ArcelorMittal Cellular Beams. SCIA Engineer was used to create a 3D model of the steel construction as well as of the concrete walls, in order to find complex stresses and deformations. The study of the frame angle was achieved thanks to plate modelling. In addition, stiffeners were sized with the steel connections pack. The software also allowed us to model cellular beams and take into account seismic forces. MP Ingénieurs Conseils SA
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