{"title":"Shear Strength Behavior of Clayey Soil Reinforced with Natural Agent-Treated Coir Fiber","authors":"Gautam, Vishnu G, Debjit Bhowmik","doi":"10.1007/s11204-024-09955-x","DOIUrl":null,"url":null,"abstract":"<p>Coir is a promising natural fiber that can be used for soil stabilization through fiber reinforcement. In this paper, weight gain, reduction in water absorption, and single-fiber tensile strength tests are performed to evaluate the application of different natural agents such as neem oil, kerosene, and cashew nutshell liquid (CNSL) in improving the mechanical properties and durability of coir fibers. Tri-axial tests are performed on soil specimens cured for 3, 28, and 180 days to determine the improvement in their shear strength when reinforced with coir fibers treated with different agents. The fiber reinforcement led to an increase in the shear strength of the soil by improving cohesion and friction angle. Among the different agents used, the CNSL is found to be the most effective agent for coir fiber treatment.</p>","PeriodicalId":21918,"journal":{"name":"Soil Mechanics and Foundation Engineering","volume":null,"pages":null},"PeriodicalIF":0.8000,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Soil Mechanics and Foundation Engineering","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s11204-024-09955-x","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, GEOLOGICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Coir is a promising natural fiber that can be used for soil stabilization through fiber reinforcement. In this paper, weight gain, reduction in water absorption, and single-fiber tensile strength tests are performed to evaluate the application of different natural agents such as neem oil, kerosene, and cashew nutshell liquid (CNSL) in improving the mechanical properties and durability of coir fibers. Tri-axial tests are performed on soil specimens cured for 3, 28, and 180 days to determine the improvement in their shear strength when reinforced with coir fibers treated with different agents. The fiber reinforcement led to an increase in the shear strength of the soil by improving cohesion and friction angle. Among the different agents used, the CNSL is found to be the most effective agent for coir fiber treatment.
期刊介绍：
Soil Mechanics and Foundation Engineering provides the Western engineer with a look at Russian advances in heavy construction techniques. Detailed contributions by experienced civil engineers offer insights into current difficulties in the field, applicable innovative solutions, and recently developed guidelines for soil analysis and foundation design.
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