STANDPIPE PIEZOMETER
Simple and economic measurement of groundwater pressures in soil and rock can be carried out using Casagrande type (standpipe) piezometers.
Description
Geosense® Casagrande piezometers are made up of low air entry porous plastic or ceramic elements which are connected to standpipe tubing and lowered into a predrilled borehole. Alternative types may be driven or pushed into soft soil.
Where Casagrande type piezometers are being installed then the porous element is surrounded by filter sand and a Bentonite seal placed above this response zone.
Water level measurements are normally taken using a water level meter (dip meter) or in the case of artesian pressure a Bourdon pressure gauge is attached to the top.
Additional information
| Brands | |
|---|---|
| Materials |
HDPE, Alumo Silicate, PVC |
| Tip pore size |
60µ |
| Tip permeability |
3 x 10-4 m/s |
| Standpipe Thread |
¾” BSPM |
| Standpipe length |
1, 3m |
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About brand
Geosense Ltd is one of Europe’s leading manufacturers and suppliers of instruments to the geotechnical, civil engineering, mining and environmental industries.
Geosense products are used globally in major projects in more than 68 countries. With a comprehensive in-house design and manufacturing capability, we can provide products not only to tight deadlines but also to suit custom-engineered solutions for specific project requirements.
Geosense specialises in the manufacture of vibrating wire and MEMS sensors, which are used to produce a wide range of instruments. In addition we manufacture automated data acquisition systems to complement our sensors, including wireless systems.
Data Sheets
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