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Geogrid Reinforced Crusher Wall, with Face in Stones and Galvanized Articulated Meshes Facing – Quadratum – Nova Lacerda, MT

This paper presents the case study of a geogrid-reinforced containment wall with facing of stones and galvanized articulated wire mesh, located in the city of Nova Lacerda, state of Mato Grosso. The containment structure with U-shaped geometry, has a height of 6m and a length of 49 m, being 25 m faced in the front and 12 m in each side. The reinforcements used in the structure were polyester geogrids, with nominal tensile strength in the main direction of 110 kN / m and 80 kN / m, both with 10% maximum strain at the nominal strength. Due to the specific project needs such as the vertical slope of the face, high load and constant vibrations, the galvanized wire mesh face was specified mainly due to its following properties: durability, ease of installation due to the innovative articulation system, possibility of localized deformation and safety. The containment structure was finished in the last semester of 2017, ensuring the success of the project, the required performance and the desired execution productivity.