Durability of Natural Hemp Fibers Embedded in a Soil Matrix
Publication: Geo-Congress 2024
ABSTRACT
Reinforcing soil with natural fibers is perceived as sustainable and effective ground improvement technique. Wide-ranging researchers tackled the investigation of the undrained behavior of fiber-reinforced clays that targets only the short-term stability of geotechnical systems that are built utilizing fiber-reinforced clays, neglecting the long-term performance. There is a need for exploring the response of fiber-reinforced clays under fully drained conditions where long-term stability considerations govern the design and particularly expand the knowledge on the response of natural fibers within a drained testing setting whereby durability issues might affect the response of the composite. The objective of this paper is to investigate the durability of hemp fibers for long-term stability applications involving compacted clay systems. These objectives are achieved by conducting a total of six consolidated drained triaxial tests on fiber-reinforced natural clayey soil specimens compacted at 18% water content with 4-cm-long fibers and 1.25% fiber content by weight and one control sample. Results of durability tests indicated that the improvement in strength due to the addition of hemp fibers is lost for specimens that are allowed to cure for three weeks prior to drained testing.
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Information
Published In
Geo-Congress 2024
Pages: 106 - 115
History
Published online: Feb 22, 2024
ASCE Technical Topics:
- Clays
- Compacted soils
- Composite materials
- Consolidated soils
- Drainage
- Engineering materials (by type)
- Fiber reinforced composites
- Fibers
- Geomechanics
- Geotechnical engineering
- Irrigation engineering
- Materials engineering
- Soil dynamics
- Soil mechanics
- Soil properties
- Soil stabilization
- Soils (by type)
- Water and water resources
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