132 Category 4: Special Projects 4 Owner Mairie de Toulon Architect Duchier Petra Architectes General Contractor Baudin Chateauneuf Engineering Office Baudin Chateauneuf Construction Period 10/2015 - 05/2017 The works on this project included studies, manufacturing, protection against corrosion and installation, mainly at night, of approximately 540 tons of steel framework and 570 m² of composite floor decks for the construction of an additional stand at the Toulon rugby stadium, the Mayol stadium. The structure is complex because of its geometry in a ¼ of a circle and as all the loads are transferred to the very small number of load-bearing elements at the ground floor. The assembly was realized on a very small urban site, at night. A global 3D model was realized with SCIA Engineer. As the structure is located in a seismic zone, the seismic analysis was carried out on a general model in which the steel structure, the reinforced concrete foundations and the deep foundation piles were modelled in order to take into account the interaction between the soil and the structure. The use of the stability analysis module made it possible to quantify the effects of the 2nd order on the structure. The use of the steel code check module, after the manual checking of the different critical lengths of the beams, resulted in a very significant time saving during the design of the framework while the planning constraints were very strong. A modal analysis allowed the estimation of the vibratory behaviour of the floors due to live loads such as people walking. Baudin Chateauneuf Contact Cédric Ricaud Address CS 30019 60 rue de la brosse 45110 Chateauneuf sur Loire, France Website www.baudinchateauneuf.com Baudin Chateauneuf was founded in 1919. Born in the production of electrical towers and farm sheds, the company is moving towards the construction of steel bridges. In 1954, the company sought to diversify its activity. Its mastery of metal logically leads Baudin to the area of metal frames. Nowadays Baudin offers a full range of services at the highest technological level in a lot of business areas: construction and renovation of civil engineering work, steel structures, mechanical engineering or general contractors. Mayol Stadium Redevelopment - Toulon, France
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