Abstract
Effect of glass fibre inclusion on the shear strength and deformation mode of clayey soil has been investigated in this study by conducting consolidated undrained triaxial test under varying confining pressure. Three different lengths of glass fibres (10, 20 and 30 mm) with 0.25% fibre content were used as reinforcement. Inclusion of glass fibre enhances the shear strength parameters and changes the specimen deformation mode which is also highly influenced by the confining pressure. 20 mm long fibres are found to provide optimum benefit in shear strength development. The positive pore pressure tends to develop more with longer fibre and under higher confining pressure. Inclusion of fibres progressively spreads the local bulging of unreinforced specimen to the entire specimen length. The bulging of specimen is reduced with longer fibre and higher confining pressure. The reinforced specimen seems to stand like an intact column at 400 kPa confining pressure with least bulging.
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Patel, S.K., Singh, B. (2022). Strength and Deformation Aspects of Glass Fibre-Reinforced Clayey Soil. In: Dey, A.K., Mandal, J.J., Manna, B. (eds) Proceedings of the 7th Indian Young Geotechnical Engineers Conference. IYGEC 2019. Lecture Notes in Civil Engineering, vol 195. Springer, Singapore. https://doi.org/10.1007/978-981-16-6456-4_16
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DOI: https://doi.org/10.1007/978-981-16-6456-4_16
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