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粘性土微结构定向性研究是掌握粘性土的工程性质的一个重要方面。本文介绍了岩组学中的一项新技术D/MAXⅢA型全自动织构测角仪的功能、结构、测试原理和结果解析,并首次将其应用于粘性土微结构定向性研究,取得了一些较为满意的成果。通过对某地膨胀土样的试验研究,表明这项新技术能全方位地定量地反映粘性土样微观结构的定向性特征,研究成果较好地解释了土的成因,受荷历史以及工程性质。这项新技术的应用将大大有助于提高粘性土微观结构定向性研究的水平。
The study of the microstructure orientation of cohesive soils is an important aspect of the engineering properties of cohesive soils. This paper introduces a new technique in the field of petrophysics: the function, structure, test principle and results analysis of the D/MAXIIIA automatic texture goniometer. It was applied to the study of the microstructure orientation of cohesive soil for the first time. Some of the more satisfactory results. Through the experimental study of an expansive soil sample, it is shown that this new technique can quantitatively reflect the directional characteristics of the microstructure of clay soil. The research results explain the origin of the soil, the history of loading, and the engineering properties. . The application of this new technology will greatly contribute to the improvement of the study of the microstructure orientation of cohesive soils.