Open Access
G. Anil Kumar,
G. Prasanna Kumar,
Krupasindhu Biswal,
- Assistant Professor Department of Civil Engineering, Aditya Institute of Technology and Management, Tekkali Andhra Pradesh India
- Assistant Professor Department of Civil Engineering, Aditya Institute of Technology and Management, Tekkali Andhra Pradesh India
- Assistant Professor Department of Civil Engineering, Aditya Institute of Technology and Management, Tekkali Andhra Pradesh India
Abstract
The major interest in the utilization of synthetic fibers is used as reinforcing material for developing reinforcing effect into the entire soil composition laid bellow the structures whare as construction works are going on. Various articles are published on soil reinforcement, yet some of them fibers used are prepared by using with synthetic materials, one type of synthetic fibers were Recron fiber it is used as a reinforcing element to advance the soil mechanical and elastic properties. Std proctor test was performed based on IS Light weight compaction method and strength of subgrade of soil was calibrated based on CBR Test performed on different soil samples prepared with various fiber contents of 0%, 1%, 2%, 3%, 4%, 5% and 6% by weight of soil dry weight and on plain soil sample. Experimental study was demonstrated that optimal water content (OMC), ultimate dry density (MDD) and subgrade strength of soil increased with inclusion of fibrous material to the plain soil. ultimate dry density and plastic deformation of soil may decrease with increase fiber inclusion. Moreover, the subgrade strength of soil increases upon fibers addition with all different compositions in soaked and unsoaked conditions. California bearing ratio index results also presented here to show the effect of reinforcement performance on plain soil samples. Optimum fiber dosage obtained to be 5% for all the type of tests performed here. CBRI was resulting based on CBR test results, it was shown the maximum CBRI value was obtained 3.9 and 6.5 respectively for unsoaked and soaked conditions based on these results Reinforcement worked effectively in soaked condition then compared with unsoaked condition. The applications of recron fibers utilization improves the mechanical behaviour of expansive soil and it has more durable compare to the natural fiber reinforcement in the soil composition, performance of soil reinforcement effect has long period due to synthetic fiber addition to soil.
Keywords: Expansive soil, Recron fibers, light weight compaction, CBR (Soaked and unsoaked), CBRI.
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Journal of Polymer and Composites
| Volume | |
| Received | April 23, 2024 |
| Accepted | June 20, 2024 |
| Published | July 24, 2024 |