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Fiche 1,  Justifications,  Anglais

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In the context of the discussion on geotextiles in Section 2.8.2.3, this could be called a geogrid effectiveness factor.  1, fiche 1, Anglais, - geogrid%20effectiveness%20factor

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Geogrid: A deformed or nondeformed netlike polymeric material used with foundation, soil, rock, earth, or any other geotechnical engineering-related material as an integral part of human-made project structure or system.  1, fiche 1, Anglais, - geogrid%20effectiveness%20factor

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FEF [fabric effectiveness factor] is the ratio of the cycles to failure of the fabric reinforced specimens to the control specimen without fabric.  1, fiche 1, Anglais, - geogrid%20effectiveness%20factor

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The key toward the reinforcement-based design of geotextiles in reflective crack prevention in bituminous pavement overlays is the fabric's effectiveness as determined by laboratory testing or experience. Quantitatively, it is defined as follows: FEF=N_r/N_n where FEF=fabric effectiveness factor, N_r=number of load cycles to cause failure in the fabric-reinforced case, N_n=number of load cycles to cause failure in the nonreinforced case. Values of FEF vary widely when based on laboratory tests (as they usually are), the range being from 2.1 to 15.9 ....  1, fiche 1, Anglais, - geogrid%20effectiveness%20factor

Fiche 1,  Justifications,  Français

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Routes. Interfaces antifissures [...] Pour dimensionner correctement une structure, il faut tout d'abord définir le type de fissure à traiter (fatigue, retrait thermique), puis prendre en compte le genre de structure de chaussée (rigide, semi-rigide, souple). On se posera enfin la question sur l'efficacité d'une structure textile en relation avec les sollicitations auxquelles elle sera soumise.  1, fiche 1, Français, - coefficient%20d%27efficacit%C3%A9%20d%27une%20grille

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Grille : Type de géotextile constitué d'une superposition ou d'un entrecroisement, ou d'un liage de fils, filaments, bandelettes, etc., et présentant une structure ouverte, c'est-à-dire dont les ouvertures ont des dimensions très supérieures aux dimensions apparentes des constituants.  2, fiche 1, Français, - coefficient%20d%27efficacit%C3%A9%20d%27une%20grille

Fiche 1,  Justifications,  Espagnol