Welcome to Geotech!
Knowledge base
Centralized High-Density Electrical Method System: Technical Principle and Case Analysis
TIPS：High-density resistivity method technology transforms subsurface imaging for engineers. This electrical resistivity tomography guide explains how the high-density resistivity method captures 2D and 3D geological structures. You will learn electrical resistivity tomography system architecture and real karst detection results. We…
A Comprehensive Guide to Electrical Resistivity Tomography (ERT)
TIPS：Electrical Resistivity Tomography (ERT) is a versatile geophysical method that maps subsurface resistivity through 2D cross-sections and 3D volumes. This comprehensive guide covers ERT fundamentals—from Ohm’s Law and four-electrode arrays to environmental applications and data interpretation. Learn how Geotechcn ERT…
Principles and Simulation Experiments of Potential Measurement Method
TIPS：Electrical resistivity method and induced polarization method form the foundation of geophysical electrical exploration. This guide explains how electrical resistivity method detects subsurface structures through current injection. You will learn induced polarization method principles for mineral discrimination. We compare electrode…
Basic principles and applications of geophysical exploration
TIPS：The high-density electrical resistivity method is an advanced geophysical technique that creates detailed 2D and 3D images of subsurface electrical properties. Also called electrical resistivity tomography (ERT), this method deploys dozens to hundreds of electrodes in automated arrays. It measures…
Principle of High-Density Electrical Resistivity Survey and Case Analysis
TIPS：High-density electrical resistivity surveys reveal underground structures without drilling. This guide explains how high-density electrical resistivity works in karst detection, mining void surveys, and engineering geology. You will learn field deployment tactics, WGMD-4 system specs, and how Geotech interprets resistivity…