ERT Electrical Resistivity Tomography

Electrical Resistivity Tomography

ERT is an innovative method of imaging the subsurface, allowing engineers and stakeholders to visualize the distribution and variations of subsurface materials in shallow soils down to ~25 meters. This helps in understanding the geological structures, identifying anomalies, and mapping different soil and rock layers.

ERT maps 3D variations in the subsurface to delineate contaminant plumes. Our system reveals the extent, boundaries, and behavior of contaminant plumes, which is essential for remediation planning.
ERT monitors landfill sites. It characterizes waste layers, leachate migration, and containment systems, it is also possible to monitor electrical resistivity changes over time, revealing contaminant movement.
ERT considers subsurface hydrogeological properties, such as groundwater flow, aquifer characterization, and water content. By mapping electrical resistivity variations, we can identify flow paths, water-bearing zones, and groundwater barriers. This critical data supports sustainable water management, groundwater extraction and recharge systems.
ERT shows the subsurface impacts of development projects. It illustrates vulnerabilities created from construction activities, such as groundwater flow alterations, contamination, and instability. Our 3D data greatly assists and facilitates decision-making and mitigation planning.
ERT maps electrical resistivity differences in the subsurface to evaluate slopes, embankments, and other structures in environmental projects. It detects weak zones, moisture changes, and failure risks. This helps design stabilization and mitigation measures.

Non-Destructive

ERT is a non-destructive testing technique, it does not require invasive drilling or excavation, which is particularly advantageous when working in sensitive or congested areas requiring minimal disturbances.

Cost-effective

ERT is generally more cost-effective than other geotechnical techniques, such as drilling and sampling because it reduces the need for extensive materials removal and reinstatement.

High Resolution

ERT can provide high-resolution 3D images of the subsurface, allowing engineers to identify small-scale features such as fractures, voids, and weak zones. This level of detail is beneficial for understanding the potential risks associated.

Time Efficiency

ERT is invaluable for real-time monitoring of grout distribution during soil stabilization, foundation underpinning, and ground improvement projects. It assists in pre- and post-injection assessment, injection design, planning, and quality control, ensuring the effectiveness of the grouting process.

Versatility

ERT helps in delineating and quantifying contaminant plumes in the subsurface, non-invasively. It provides a detailed volumetric analysis, essential for effective and targeted remediation strategies.

Data Integration

ERT enhances geotechnical and environmental data, such as borehole logs, groundwater sampling, and laboratory test results. Facilitating engineering designs, and greatly assist in the and decision-making process.