Knowledge base

I. Introduction Soil Resistivity Test (SRT) is a geophysical technique used to measure the electrical resistivity of soil. This method helps assess soil corrosivity, design grounding systems, and optimize infrastructure. This article explores the principles, methods, applications, and comparisons of…

I. Introduction Contact Resistance Test (CRT) is a technique used to measure the quality of electrical connections. It assesses the contact resistance by measuring the voltage drop across a contact when current flows through it. CRT is widely used in…

I. Introduction Electrical Resistivity Imaging (ERI) is a geophysical imaging technique used to visualize subsurface structures by measuring the ground’s electrical resistivity. This method involves injecting electrical current into the ground through a series of electrodes and measuring the resulting…

I. Definition and Principle of ERT Electrical Resistivity Tomography (ERT) is a geophysical imaging technique used to visualize subsurface structures by measuring the ground’s electrical resistivity. This method involves injecting electrical current into the ground through a series of electrodes…

I. Introduction Electrical Imaging is an advanced geophysical exploration tool that is increasingly becoming a key technology in groundwater exploration, environmental monitoring, and engineering surveys. Its non-contact and high-precision characteristics make it stand out in various application scenarios. This article…