The preventing from intermixing of adjacent dissimilar soils and/or fill materials by the use of geosynthetics. As defined by European standards, the separation function is always used in conjunction with another function.
Without DuPont™ Typar® SF With DuPont™ Typar® SF
DuPont™ Typar® SF is an isotropic material, meaning that its physical properties are present in all directions. This mirrors the stresses and strains of a typical separation application.
DuPont™ Typar® SF
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Improves the load bearing capacity by separating fine-grained subgrade from the aggregate base Increase of the bearing capacity by preventing the loss of aggregate into soft subgrade
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Increases the compaction degree
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Reduces the deterioration of roads through frost heave effects
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Eradicates the need to remove weak subgrade
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Maintains the drainage capacity of the aggregate base
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Prevents migration of fine particles
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Reduces deformations (rutting)
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Ensures longer lifetime of construction
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