Abstract
For improving soil properties, use of natural fiber is advantageous because they are cheap, locally available, biodegradable and eco-friendly. Therefore, in the present investigation, coir fiber has been chosen as the reinforcement material and randomly included in to the soil at different percentages of fiber content, i.e., 0, 0.5, 1 and 1.5% by weight of raw soil. The soil used for this research is highly compressible soil. Length of fiber is considered as 20 mm for this study. The objective of this investigation is focused on the durability of soil reinforced with coir fiber. The compaction, unconfined compressive strength (UCC) and California bearing ratio (CBR) tests are conducted for each percentage of natural fiber mixed with soil. For finding the durability of coir-reinforced soil, the specimens for UCC test is prepared with optimum fiber content (OFC) by using concentrated hydrochloric acid (HCL) solution as pore fluid. The fibers with and without bitumen emulsion coating are used in the study. Thus, prepared samples are cured for 7 and 30 days. Based on the results obtained, it is observed that the inclusion of coir fiber improves the strength of the soil, and bitumen emulsion-treated coir fiber has more durability.
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Teja, M.D., Muttharam, M. (2022). Durability Study on Coir Fiber-Reinforced Soil. In: Satyanarayana Reddy, C.N.V., Muthukkumaran, K., Satyam, N., Vaidya, R. (eds) Ground Characterization and Foundations. Lecture Notes in Civil Engineering, vol 167. Springer, Singapore. https://doi.org/10.1007/978-981-16-3383-6_4
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DOI: https://doi.org/10.1007/978-981-16-3383-6_4
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