Inventory of armourstone
1 Cerema, 23 avenue de l’Amiral Chauvin, BP 69, 49 136 Les ponts de Cé, France
2 Cerema, Technopôle Brest Iroise, BP5, 29 280 Plouzané, France
3 Union Nationale des Producteurs de Granulats, 3 rue Alfred Roll, 75 849 PARIS CEDEX 17, France
4 Compagnie Nationale du Rhône, 4 rue de Chalon-sur-Saône, 69 007 Lyon, France
5 Cerema, 151 rue de Paris, 02 100 Saint Quentin, France
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b Corresponding author: email@example.com
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Natural armourstone is widely used for hydraulic works, both in the coastal domain and in border of rivers and torrents, especially to protect against flood and the effects of waves and currents. To meet the expectations associated with this resource, an inventory of armourstone quarries was realized on a national scale in France. This inventory informs not only about the localization of quarries but also about the quality and the availability of materials. To fully optimize this inventory in a dynamic format, the association of all actors of the sector was preferred to archival research. This partnership approach led to project deliverables that can constitute durably a shared reference. The database can indeed be updated regularly thanks to the contacts established with the professionals of quarries. The access to this database is offered to a wide public: maritime and fluvial ports, local authorities in charge of planning and managing structures that protect against flood and other hydraulic hazards. This new database was organized considering its importance on the operational plan. This led to a hierarchical organization at two levels for each quarry face: first level, a synthesis sheet brings the essential information to realize choices upstream to the operational phases. Second level, a detailed specification sheet presents the technical characteristics observed in the past on the considered face. The atlas has two information broadcasting formats: a pdf file with browsing functions and a geographical information system that allows remote request of the database. These two media have their own updating rhythms, annual for the first and continue for the second.
© The Authors, published by EDP Sciences, 2016
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