Piezometers are geotechnical instruments used in the measurement of pore water pressure in soil, dams, concrete structures, etc.Many different types of piezometers are used during geotechnical monitoring and instrumentation. Piezometer installation is done accurately and with precision to avoid future disruption in the readings.
Piezometer Installation in an embankment using Model EPP-30V
Encardio-rite Model EPP-30V is recommended for installation in an embankment.The following steps are followed for the VW piezometer installation procedure.
NOTE: Make sure to record the initial temperature and reading with the readout unit as it will form the zero reading for the piezometer. Also, note the barometric pressure at the time of initial reading.
Also Read: Vibrating Wire Piezometer – Types and Operating Principle
Piezometer Installation in soft soil using Model EPP-50V
NOTE: The piezometer cable should be properly guided through the drill rods & the piezometer or its cable should never be allowed to rotate inside the rods. Care should also be taken to ensure that the drill rod edges do not cut into the cable sheathing while installing.
NOTE: Make sure that the piezometer cable is inserted through the holes of the adaptor rod, coupling, and the first drill rod in that sequence, before fixing it. It is important to keep the piezometer fixed while rotating the adaptor rod, coupling, or drill rods, as any rotation will get damaged.
NOTE: Great care should be taken while unscrewing the drill rods from the rod adaptor as the piezometer cable running inside the drill rods does not get damaged due to abrasion from the drill rod surface or edges.
This was all about the piezometer installation procedure in an embankment and soft soil. If you’ve any questions or doubts, feel free to drop it in the comment section below.
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