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Home / Projects / Composite slab INCO 70.4 for the renovation of the Longchamp Racecourse (Paris) – France
Forjado colaborante INCO 70.4 hipodromo de longchamp recorte para banner incoperfil

Composite slab INCO 70.4 for the renovation of the Longchamp Racecourse (Paris) – France

Building type: Sports and multipurpose facilities

Country: France

Year of construction: 2017

Architecture: Dominique Perrault Architecture

Amount: 5000 m2

Work: Longchamp Racetracks

Finish: Galvanised steel

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The INCO 70.4 composite slab has been used for the comprehensive rehabilitation of the Longchamp racecourse, designed by the French architect Dominique Perrault.

The rehabilitation of the Longchamp racecourse in Paris, which began in 2016 and is expected to be completed in 2017, has a budget of 131 million euros. Its main investor, France Galop, has commissioned the complete renovation from the construction company Bouygues and the well-known French architect Dominique Perrault.

The Parisian Longchamp racecourse, inaugurated in 1857, is one of the most famous and iconic racetracks in the world. The site, located in the Boulogne forest (16th arrondissement) with more than 840 hectares of green areas, gives this project a unique environment that, together with its avant-garde design, aim to place it among the best racetracks on the current scene.

The composite slab, located in the main building of the racecourse, has been executed with the INCO 70.4 Composite Slab profile in galvanized steel S320GD and 1.20 mm thick. This 70 mm fret height profile provides excellent performance in the execution phase, allowing the project spans to be covered (3.50 + 3.50 + 3.50 m.) Without the need for intermediate shoring.

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Building characteristics
Industrial roof application loads
(1) For sections of the roof profile with 2, 3, 4 or more supports, indicate the greatest distances between supports that appear in your project.
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(1) For sections of the façade profile with 2, 3, 4 or more supports, indicate the greatest distances between supports that are presented in your project.
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Deck loads
(1) For sections of the roof profile with 2, 3, 4 or more supports, indicate the greatest distances between supports that appear in your project.
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Structure features
Composite slab characteristics
(1) For the sections of the composite slab with 2, 3, 4 or more supports, indicate the greatest distances between supports that appear in your project. Span length < 5,00 m.
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Characteristics of the facade
Roof typology

(1) Indicate the length of the span of the arch, which is the greatest horizontal distance between the supports of the curved roofing.

(2) Plan-view dimension representing the full length of the curved roof measured perpendicular to the arch span.

(3) Specify the obstructed area under the canopy, in square meters, as a proportion of the total area of the front or side (transverse or longitudinal) façade, in order to calculate the obstruction factor. If it is a closed construction or there is no obstruction area, indicate 0 m².

Environment characteristics
Type of environment
Attached documentation
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Contact information
Project data