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Instrument Types and Subtypes

Each instrument type and subtype is defined by its applications, the measurements it provides, monitoring capabilities, and data range. This classification ensures accurate selection for project needs and reliable performance in geotechnical monitoring.

Tape Extensometer / Distance Gauge

Simple manual tool to measure changes in distance between fixed anchor points. Often applied in tunnels, slopes, or excavation sites. Reliable for periodic manual measurement programs.

Vibration Sensor

Sensor that records ground or structural vibrations in three directions, useful for monitoring construction impact. It also helps detect early signs of structural distress or instability.

Structure Monitoring Point

Fixed marker installed on a building or structure to monitor movement using surveying instruments. Data is typically collected with total stations or RTS systems.

Visualization Maps (2D/3D)

Graphical displays that represent spatial data in two or three dimensions make complex information easy to interpret. They improve decision-making, collaboration, and situational awareness in projects.

Variance Mapping

Visual representations showing the difference between planned and actual project data, such as excavation progress or ground conditions. They help project engineers to identify deviations and guide corrective actions, reducing delays and mitigating risk.

Vibration Monitoring

Measures ground or structural vibrations to assess their impact on surrounding environments. It is critical for protecting sensitive structures, ensuring compliance, and maintaining safety during construction activities.

Utility Mapping

The process of locating and documenting underground services, including water, gas, electricity, and telecommunications. It minimizes excavation risks, supports planning, and reduces costly service disruptions across the project lifecycle.

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