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  • 标题:Effects of fines content on hydraulic conductivity and morphology of laterite soil as hydraulic barrier
  • 本地全文:下载
  • 作者:Yamusa Bello Yamusa ; Nor Zurairahetty Mohd Yunus ; Kamarudin Ahmad
  • 期刊名称:E3S Web of Conferences
  • 印刷版ISSN:2267-1242
  • 电子版ISSN:2267-1242
  • 出版年度:2018
  • 卷号:34
  • 页码:1-8
  • DOI:10.1051/e3sconf/20183401005
  • 出版社:EDP Sciences
  • 摘要:Laterite soil was investigated to find out the effects of fines content and to identify the micro-structural and molecular characteristics to evaluate its potentiality as a compacted soil landfill liner material. Tests were carried out on natural soil and reconstituted soil by dry weight of soil samples to determine the physical and engineering properties of the soil. All tests were carried out on the samples by adopting the British Standard 1377:1990. The possible mechanisms that contributed to the clay mineralogy were analyzed using spectroscopic and microscopic techniques such as field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) and X-ray diffractometry (XRD). The laterite soil was found to contain kaolinite as the major clay minerals. A minimum of 50% fines content of laterite soil met the required result for hydraulic barriers in waste containment facilities.
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