Structural and Excavation Health
Vibrating Wire Piezometer
The RST Vibrating Wire Piezometer provides excellent long-term accuracy, stability of readings and reliability under demanding geotechnical conditions. Vibrating Wire Piezometers are the electrical piezometers of choice as the frequency output of VW devices is immune to external electrical noise, and able to tolerate wet wiring common in geotechnical applications. The frequency
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Assessing performance and investigating stability of earth fill dams and embankments.
Slope stability investigations.
Monitoring water levels in wells and standpipes.
Monitoring pressures behind retaining walls and diaphragm walls.
Monitoring pore pressures during fill or excavation.
Monitoring pore pressure in land reclamation applications.
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DT Series Dataloggers
The DT2055B: 5/10 Channel Vibrating Wire/Thermistor Data Logger is a low cost, battery powered data logger, designed for reliable, unattended monitoring of up to 10 sensors which may be any mix of vibrating wire sensors and thermistors, typically 5 vibrating wire sensors with their associated thermistors.The DT2055B is ideal for remote locations or instruments that require frequent reliable data recording. It connects to all vibrating wire sensors including piezometers, crack meters and strain gauges; however, the DT2055B Ten Channel Data Logger will not connect to vibrating wire sensors with auto resonant circuitry.
Data logger setup and data collection is done using the Ultra-Rugged Field PC2 or a laptop. RST’s DT Logger Host Software is also included.
Casagrande Standpipe Piezometer
RST’s Casagrande Standpipe Piezometer tip consists of a slotted PVC body that encloses and protects a porous plastic filter element. A PVC Riser Pipe (available from RST) is connected to the tip and extended to the surface. A CPVC body is available for leachate extraction. The Casagrande Standpipe Piezometer is mainly used for measurement of piezometric levels and pore water pressures in soil and rock formations where the time lag and high displacement requirements inherent in standpipes are not crucial, and where the presence of standpipes will not hinder construction. Water elevation in the riser pipe is measured using a Water Level Meter. Alternatively, a Vibrating Wire Piezometer can be lowered in the pipe to allow remote reading.
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Monitoring of pore pressures in dams and embankments.
Slope stability investigation and leachate extraction.
Groundwater sampling, monitoring, dewatering and drainage operations.