用田口法评价纤维增强细粒土的强度和微观结构特征

Q4 Materials Science

International Journal of Microstructure and Materials Properties Pub Date : 2019-08-20 DOI:10.1504/IJMMP.2019.10022946

Ajay Kumar, D. K. Soni

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引用次数: 4

摘要

本文研究了田口技术优化聚丙烯纤维（PPF）增强粘性土无侧限抗压强度的可行性。还报告了UCS优化的主导因素。用蛋壳粉和氯化钠处理土壤，并对7天、14天和21天的固化样品进行测试。样品是通过田口技术生产的正交排列实验设计制备的。通过方差分析对实验结果进行分析。最后，通过实验验证了优化条件。还研究了扫描电子显微镜（SEM）和能谱仪（EDS）的结果，以探索受试土壤的微观结构变化和元素分析。总体而言，研究的重点是添加剂增强软弱土壤的潜力和田口技术解决工程问题。研究结果可用于路面设计和地基处理。

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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Strength and microstructural characteristics evaluation of a fibre reinforced fine grained soil using Taguchi technique

The viability of Taguchi technique to optimise the unconfined compressive strength of polypropylene fibre (PPF) reinforced cohesive soil has been investigated in this paper. Dominating factors for UCS optimisation have also been reported. Eggshell powder and sodium chloride were used to treat the soil and 7, 14 and 21 days cured specimens were tested. The samples were prepared by design of experiments produced by Taguchi technique those arranged in orthogonal arrays. Experimental results were analysed by performing analysis of variance. Finally, optimised conditions were experimentally verified. Scanning electron microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDS) results were also studied to explore the microstructural changes and elemental analysis of subjected soil. Overall the study focuses on the potential of the additives to strengthen the weak soil and Taguchi technique for engineering problems. Results obtained from this study might be used for pavement design and ground improvement during foundation works.

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来源期刊

International Journal of Microstructure and Materials Properties Materials Science-Materials Science (all)

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： IJMMP publishes contributions on mechanical, electrical, magnetic and optical properties of metal, ceramic and polymeric materials in terms of the crystal structure and microstructure. Papers treat all aspects of materials, i.e., their selection, characterisation, transformation, modification, testing, and evaluation in the decision-making phase of product design/manufacture. Contributions in the fields of product, design and improvement of material properties in various production processes are welcome, along with scientific papers on new technologies, processes and materials, and on the modelling of processes.