Characteristics and Application of Electrical Resistivity of
Soil-Stone Composite Medium

doi:10.3969/j.issn.1674-0696.2014.02.20

Abstract

Abstract: The earth-rock particles features , rock content , Illoisture content and cOlllpaction degree of the Illultiphase soi\ - stone composite medium have a great illlportant effect on lhe electrical resistivity characteristics. Because of the correlation between each faclor , the conductivity of Illultiphase soil-stone cOlllposite medium becallle cOlllplicaled. Based on the current electrical resistivity models of unsaturated and pure soil ancl rock meclia , the physical Illoclel of the concluctivity for Illulti 田 phase earth-rock composite mecliulll was establishecl , ancl the theoretic relationship between electrical resistivity ancl the physical characteristic parameters was presentecl. Accorcling to the research , the feature parameter of earth-rock cOlllposite mecliUlll is proposecl in clifferent neecls basecl on resistivity testing technique.

Key words: hydraulic engineering, soil-stone composite medium, electrical resistivity

摘要： 由于多相士石复合介质的士石颗粒特性、含石量、含水量、压实程度等均对电阻率特性产生重要影响，且各影响因素之间具有关联性，使得多相士石复合介质的导电性能变得极其复杂c 基于现有的非饱和纯士介质和岩石介质的电阻率模型，构建了土石复合介质导电特性的物理模型，推导了士石复合介质的电阻率大小有l物理特征参数之间的理论关系。研究表明:基于多相土石复合介质电阻率测试技术可以针对土石填方了程质量评价的不同需要反演士石复合介质特征参数。

关键词: 水利工程, 土石复合介质, 电阻率

CLC Number:

U615
TV31

Wang Kui, Zhao Mingjie. Characteristics and Application of Electrical Resistivity of Soil-Stone Composite Medium[J]. Journal of Chongqing Jiaotong University(Natural Science), 2014, 33(2): 90-94.

汪魁，赵明阶. 土石复合介质电阻率特性理论及应用研究[J]. 重庆交通大学学报（自然科学版）, 2014, 33(2): 90-94.

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Characteristics and Application of Electrical Resistivity of Soil-Stone Composite Medium

土石复合介质电阻率特性理论及应用研究

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