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首页> 外文期刊>International journal of geotechnical engineering >Improving the engineering behaviour of residual soil with fly ash and treated natural fibres in alkaline condition
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Improving the engineering behaviour of residual soil with fly ash and treated natural fibres in alkaline condition

机译：用粉煤灰和碱性纤维治疗含有粉煤灰的剩余土壤的工程行为

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摘要

This study explores the possibility of using sustainable materials in the form of fly ash as a precursor in alkali activation (AA) reactions, as well as coir fibres as discrete reinforcement. For enhancing the longevity of fibres in an alkaline environment and improving the mechanical performance of the soil-fibre composite, an effort was made in this study to physically coat the natural fibre surface with linseed oil and turpentine oil. The effect of surface treatment on coir fibres was initially analysed by field emission scanning electron microscopy and energy dispersive x-ray tests. To evaluate the effects, unconfined compressive strength, indirect tensile strength, and flexural strength tests were performed at 7 and 28 days of curing on AA-treated soil reinforced with treated and untreated coir fibres. The test results demonstrated that treated fibres significantly enhanced the mechanical properties of the AA-treated soil in terms of peak stress and post-peak behaviour.
机译：本研究探讨了粉煤灰形式使用可持续材料作为碱活化（AA）反应的前体的可能性，以及作为离散加固的益智纤维。为了增强碱性环境中的纤维的寿命并提高土纤维复合材料的机械性能，在该研究中制定了努力，用亚麻籽油和松节油物理地涂覆天然纤维表面。最初通过现场发射扫描电子显微镜和能量分散X射线试验来分析表面处理对益官纤维的影响。为了评估效果，在用治疗和未处理的益毛纤维加固的AA处理的土壤中固化的7和28天进行效果，不连续的抗压强度，间接拉伸强度和弯曲强度试验。测试结果表明，处理的纤维在峰值应力和峰值后行为方面显着提高了AA处理的土壤的机械性能。

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