Laboratory compaction and triaxial compression tests were performed to assess the compaction characteristics and load deformation response of a sandy silt reinforced with randomly oriented recycled carpet fibers. Discrete, randomly distributed fiber inclusions significantly increase the peak shear strength, reduce the postpeak strength loss, increase the axial strain to failure, and, in some cases, change the stress-strain behavior from strain softening to strain hardening for a sandy silt. Fiber inclusions also impede the compaction process, causing a reduction in the maximum dry density of reinforced specimens with increasing fiber content. The strength losses associated with in-service saturation are significantly reduced with fiber reinforcement. It is suggested that large volumes of recycled waste fibers can be used as a value-added product to enhance the shear strength and load deformation response of soils.
Behavior of a Sandy Silt Reinforced with Discontinuous Recycled Fiber Inclusions
Transportation Research Record: Journal of the Transportation Research Board
01.01.2000
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Behavior of a Sandy Silt Reinforced with Discontinuous Recycled Fiber Inclusions
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