A geotechnical instrument used to monitor structural movement in three dimensions (X, Y, Z). Unlike sensors that stream data, it is read manually or automatically by a total station. Commonly installed on structures, railways, or with inclinometers, it provides accurate and easy-to-interpret displacement data.
Composite Instruments combine multiple sensors in one unit to monitor parameters like displacement, strain, or pressure. Installed in structures or boreholes, they provide integrated data, simplifying measurement and interpretation for geotechnical monitoring.
An instrument that measures pore water pressure using compressed gas and diaphragm movement. Often used in embankments, dams, and foundations for long-term stability monitoring.
An electronic surveying instrument that automatically measures angles and distances to reflective targets like prisms. In geotechnical monitoring, ATS continuously tracks 3D movements (X, Y, Z) of structures with high accuracy, reducing the need for manual surveys.
Survey markers installed inside tunnels to monitor settlement and ground movement over time. These points provide reference data to ensure tunnel safety and structural integrity.
Device that tracks ground settlement or heave by measuring the position of magnetic rings along a borehole. It helps assess deep ground movement at different soil or rock layers.
A derived instrument is not a physical sensor but a virtual one that calculates parameters using data from multiple instruments. For example, convergence (distance change between two points) and differential settlement (relative movement between two points) are derived values computed from sensors like 3D prisms or leveling points. Such instruments enable advanced data modeling and provide a clearer understanding of complex site behavior.
RTS is an advanced surveying instrument that automatically tracks and measures targets like prisms without manual operation. It records precise 3D coordinates (X, Y, Z) over time, making it widely used in geotechnical monitoring, construction, and structural health assessments.
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