Macroscopic interpretation of nano-scale scattering data in clay

IF 1.5 4区 工程技术 Q3 ENGINEERING, GEOLOGICAL
G. Birmpilis, R. Ahmadi-Naghadeh, J. Dijkstra
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引用次数: 3

Abstract

The potential of X-ray scattering measurements for monitoring changes on the nano-scale in fine-grained materials in their natural wet state is demonstrated with a series of feasibility tests on well-controlled, kaolin samples, i.e. water content, pH and loading history. The results indicate that subtle changes on the nanometric scale, especially the particle orientations, can be measured with high fidelity using a standard laboratory Small and Wide angle X-ray Scattering instrument. This opens up possibilities for future in-situ loading tests with simultaneous monitoring of the evolving changes of the fabric in fine-grained soils.
粘土中纳米尺度散射数据的宏观解释
通过一系列控制良好的高岭土样品(含水量、pH值和加载历史)的可行性测试,证明了x射线散射测量在纳米尺度上监测自然湿态细粒材料变化的潜力。结果表明,使用标准的实验室小广角x射线散射仪可以高保真地测量纳米尺度上的细微变化,特别是颗粒的取向。这为未来的现场加载试验提供了可能性,同时监测细粒土壤中织物的演变变化。
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来源期刊
Geotechnique Letters
Geotechnique Letters ENGINEERING, GEOLOGICAL-
CiteScore
4.20
自引率
0.00%
发文量
42
期刊介绍: Géotechnique Letters provides a vehicle for the rapid international dissemination of the latest and most innovative geotechnical research and practice. As an online journal, it is aimed at publishing short papers, intending to foster the quick exchange of the latest advances and most current ideas without the delays imposed by printed journals, whilst still maintaining rigorous peer reviewing standards.
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