摘要
土壤电阻率是电力设计中的重要参数,土壤电阻率值直接关系到电力设计安全。本文介绍了土壤电阻率测试的常用方法,重点分析了对称四极法的原理、仪器设备、计算公式和适用范围,结合工程实际,测量了土壤的电阻率,分析了影响电阻率值的因素,对照地层信息,分析了存在的差异和原因,验证了结果的准确性,为类似工程提供参考。
Soil resistivity is the key parameter for designing electrical projects,and its values directly connect with the project safety.The general methods to test soil resistance is introduced,and the principle of the symmetric four-electrode method,and its equipment,calculation formula and application scope are studied.Based on engineering examples,the electrode method is applied to measure the soil resistivity and to verify the accuracy of the tests by analyzing the factors to affect the resistivity and comparing with the stratum information.The engineering experience could be helpful to the similar projects.
出处
《工程勘察》
CSCD
北大核心
2011年第12期82-85,共4页
Geotechnical Investigation & Surveying
关键词
土壤电阻率
对称四极法
接地电阻
影响因素
soil resistivity
symmetric four-electrode
earth resistance
affecting factor
