A case study on various developments of soil reinforced embankment slope stability with natural fibre additives

IF 1.5 4区工程技术 Q3 ENGINEERING, CIVIL

Proceedings of the Institution of Civil Engineers-Engineering Sustainability Pub Date : 2023-01-03 DOI:10.1680/jensu.22.00080

Saurabh Kumar, L. B. Roy

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引用次数: 0

Abstract

In this work, an attempt is made to study the influence of jute fibre reinforcement with the help of three case studies discussed here. The first case study described laboratory model testing and numerical analysis performed on a modelled slope that simulated an existent embankment that failed on many occasions following overnight heavy rainfall. The second case study discussed how vegetation may minimise the likelihood of soil separation and the velocity of surface run-off by decreasing surficial soil erosion. Jute geotextile (JGT) has an excellent hydrophilic characteristic that aids plant development, for this reason, it was used. The third case study developed a multi-fibre approach to traditional geotextiles to create an eco-sustainable product(s) with superior geotechnical qualities for improving the efficiency of earthen structures using soft revetments. The conclusion of these case studies expressed the novel objective for the improvement of embankments with stability analysis. This research also arose with the soil sample testing and the numerical modelling using Geo-studio. The slope model will consider being reinforced with the different rows of jute tassels on the embankment for enhanced stability and a factor of safety. Hence, the presence of jute fibre geotextile results in better performance in the stabilization of soil and also with the minimum value of deformation and maximum value of the factor of safety.

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天然纤维加筋路堤边坡稳定性研究进展

本文试图通过三个案例来研究黄麻纤维增强的影响。第一个案例研究描述了实验室模型测试和对模拟边坡的数值分析，该边坡模拟了在夜间强降雨后多次发生破坏的现有路堤。第二个案例研究讨论了植被如何通过减少表层土壤侵蚀来减少土壤分离的可能性和地表径流的速度。黄麻土工布(JGT)具有良好的亲水性，有利于植物发育，因此被广泛应用。第三个案例研究开发了传统土工布的多纤维方法，以创造具有优越岩土质量的生态可持续产品，以提高使用软护坡的土结构的效率。这些案例研究的结论表达了用稳定性分析改善路堤的新目标。本研究还与土样测试和使用Geo-studio进行数值模拟有关。该边坡模型将考虑在路堤上加设不同排的黄麻流苏，以提高稳定性和安全系数。因此，黄麻纤维土工布的存在对土体的稳定性能更好，并且具有最小的变形值和最大的安全系数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Civil Engineers-Engineering Sustainability ENGINEERING, CIVIL-ENGINEERING, CIVIL

CiteScore

3.70

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： Engineering Sustainability provides a forum for sharing the latest thinking from research and practice, and increasingly is presenting the ''how to'' of engineering a resilient future. The journal features refereed papers and shorter articles relating to the pursuit and implementation of sustainability principles through engineering planning, design and application. The tensions between and integration of social, economic and environmental considerations within such schemes are of particular relevance. Methodologies for assessing sustainability, policy issues, education and corporate responsibility will also be included. The aims will be met primarily by providing papers and briefing notes (including case histories and best practice guidance) of use to decision-makers, practitioners, researchers and students.