https://orcid.org/0000-0002-8070-4571
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ABSTRACT
Growing awareness on the environment has picked up momentum in the recent years. This has led the world towards the development of sustainable concepts and designs using locally available, natural materials. Natural fibers in the original as well as in the modified forms find immense applications in the field of engineering. Most of the surface modification compositions commonly adopted for the enhancement of fiber properties utilize harmful and expensive chemicals. This ultimately turns the fibers into potential source of leachates. The possibility of leachate formation and its effect on the environment need to be investigated in the case of surface-modified natural geotextiles. The effect of a newly devised surface modification formulation for coir geotextiles on the surrounding environment under various experimental conditions has been studied. The results of the study confirm that the coating is toxic-free and eco-friendly in terms of chemical concentrations and microbial growth. The promising results obtained from this study indicate the possibility of application of surface-modified geotextiles as a sustainable solution for a wide range of geotechnical engineering problems.
摘要
近几年来, 人们对环境的认识不断提高. 这使得世界朝着利用当地可用的天然材料开发可持续概念和设计的方向发展. 天然纤维的原纤维和改性纤维在工程领域有着广泛的应用. 大多数用于增强纤维性能的表面改性组合物通常使用有害且昂贵的化学品. 这最终将纤维转化为潜在的渗滤液来源. 以表面改性天然土工布为例, 研究渗滤液形成的可能性及其对环境的影响. 研究了在不同试验条件下, 椰壳土工织物表面改性配方对周围环境的影响. 研究结果证实, 这种涂料在化学浓度和微生物生长方面无毒, 环保. 从这项研究中获得的有希望的结果表明, 表面改性土工织物作为一个可持续的解决方案广泛的岩土工程问题的应用的可能性.
Acknowledgments
The authors are thankful to the Kerala State Council for Science, Technology and Environment, Kerala, India (Grant No. ETP/23/2013/KSCSTE) for providing financial assistance for the research work under the Engineering Technology Programme(ETP). The first author acknowledges the Department of Technical Education, Government of Kerala, India for providing an opportunity to do research under the Quality Improvement Programme (QIP).