Abstract
The soil reinforcement interaction is a major issue in the design of reinforced soil structures. In order to study it, pullout parameters such as pullout friction or cohesion between reinforcement and soil are selected. The pullout parameters are determined by means of the pullout test. The reinforcements were embedded in a granular medium. Reinforcements increase the shear stress in the soil mass through the tensile force in the reinforcement. The reinforcement used were natural geotextiles, mainly due to its eco-friendly and biodegradable nature. The natural geotextiles were anchored in order to enhance the pullout resistance. Wooden anchors were used due to its non-corrosive nature. On adding anchors, the passive pressure area between the anchors and the geotextile increases during the pullout procedure, as a result of which the pullout resistance of the reinforcement increases. The Geotextile- Anchor system is tested using the pullout test where the variables used are anchor density, anchor length (20, 15 and 10 cm) and overburden pressure (2, 3, and 5 kPa). From the experimental results, the pullout resistance of soil under loading conditions increased on the provision of anchors in the reinforcement and its effectiveness increases with increase in overburden pressure.
Published Version
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