Results 1 to 10 of about 39,703 (206)

Study on the combined influence mechanism of temperature, density and moisture content on the resistivity of loess [PDF]

Scientific Reports
In view of the limitations of single-point temperature measurement and single-factor analysis in soil resistivity research, this study takes the Malan loess in the southeast of the Loess Plateau in Shaanxi Province as the research object, and uses the ...
Yuanlong Bi, Bo Cui, Shuai Li, Nannan Fan, Tianfeng Gu, Rongxuan Feng   +5 more
doaj   +2 more sources

Soil-water resistivity curve of a tropical soil [PDF]

MATEC Web of Conferences, 2021
The evaluation of soil-water characteristic curve is one of the most important procedures in the matter of understanding the soil behaviour during wetting and drying processes.
Carnavale Thiago de Souza, Viana Ana Carolina de Campos, de Magalhães Paula Morais Canedo, de Campos Tácio Mauro Pereira   +3 more
doaj   +2 more sources

Soil resistivity and ground resistance for dry and wet soil [PDF]

Journal of Modern Power Systems and Clean Energy, 2017
In this paper, soil resistivity and ground resistance at two different sites near an electrical substation are measured using a grounding system grid with and without rods.
Md. Abdus Salam, Quazi Mehbubar Rahman, Swee Peng Ang, Fushuan Wen   +3 more
doaj   +2 more sources

Comprehensive analysis of correlations between soil electrical resistivity and index geotechnical properties

Results in Engineering
This study investigates the relationships between soil electrical resistivity and key geotechnical properties to develop predictive models for designing grounding systems in electrical substations.
Kornkanok Sangprasat, Avirut Puttiwongrak, Shinya Inazumi   +2 more
doaj   +3 more sources

Artificial Neural Networks Approach for Electrochemical Resistivity of Highly Organic Soil

International Journal of Electrochemical Science, 2011
The resistivity of highly organic soils was measured using electrochemical resistivity reactor. Artificial neural networks (ANNs) were developed for the prediction of the resistivity at the different organic content, porosity, water content, and ...
Afshin Asadi, Hossein Moayedi, Bujang B.K. Huat, Alireza Parsaie, Mohd Raihan Taha   +4 more
doaj   +3 more sources

Electrical resistivity evolution of compacted silty clay under drying−wetting cycles sequentially coupled with dynamic loads

Rock and Soil Mechanics, 2021
The performance evolution of subgrade soil under the coupling effect of drying?wetting cycle and dynamic load is essential for the safety and stability of the subgrade.
HU Zhi, AI Pin-bo , LI Zhi-chao, MA Qiang, LI Li-hua   +4 more
doaj   +1 more source

Development of A Soil Resistivity Calculator

Journal of Engineering Technology and Applied Physics, 2021
Soil resistivity is an important parameter for designing electrical earthing system. The measurement of soil resistivity is greatly influenced by moisture content, temperature, porosity, degree of saturation, number of soil layer(s),
Muhd Anas Ezhar, Siow Chun Lim
doaj   +1 more source

The influences of basic physical properties of clayey silt and silty sand on its laboratory electrical resistivity value in loose and dense conditions [PDF]

, 2017
Non-destructive test which refers to electrical resistivity method is recently popular in engineering, environmental, archaeological and mining studies.
Ahmad Tajudin, Saiful Azhar, Ahmad, Fauziah, Madun, Aziman, Saad, Rosli, Tajul Baharuddin, Mohamad Faizal, Wijeyesekera, Devapriya Chitral, Zainal Abidin, Mohd Hazreek   +6 more
core   +3 more sources

Optimal Inversion Method for Composite Layered Soil Model Considering Outlier Dispersion

IEEE Access, 2023
Accurate soil structure models are crucial references for substation grounding system design. Typically, inversion algorithms are employed to obtain uniform or horizontal layered soil models based on measured apparent resistivity.
Xiaobing Xiao, Yongxiang Cai, Xiaomeng He, Huapeng Li, Yue Li, Xinyi He, Tao Yuan, Qian Chen   +7 more
doaj   +1 more source

Influence of water content on the electrical resistivity of biocemented soils investigated through the shape of the water retention curve and considering chemical effects [PDF]

E3S Web of Conferences, 2023
Non-destructive tests, such as geophysical electrical resistivity tests, can be useful to determine how Biocementation treatment in soils is distributed in volume.
Fernández Rodríguez Román, Cardoso Rafaela   +1 more
doaj   +1 more source