Technical Service Center, Geotechnical Services
Instrumentation and Inspections Group
Instrument Information
| Select a Type of Measurement |
|
| Drains & Flow (Seepage) | |
| Embankment & Structural Movements | |
| Information available: |
Explanation |
| Picture | Photo or Illustration of Typical Instrument and/or installation |
| Procedures | Installation, calibration, reading procedures, and maintenance. |
| Supplier Information |
Possible vendor to provide instrument and assistance. (By presenting this information, we in no way endorse products or vendors.) |
| Piezometer Type |
Measures |
Picture |
Procedure |
Supplier |
|
| Hydraulic, Master Gauge | Water Pressure | JPG | |||
| Hydrostatic Pressure Indicators | Water Pressure | JPG | Yes | ||
| Pneumatic | Water Pressure | JPG | Yes | RocTest, SlopeIndicator | |
| Stand Pipe | Water Depth/Pressure | JPG | Yes | RocTest, SlopeIndicator | |
| Uplift Pressures | Water Pressure | JPG | |||
| Vibrating-Wire | Water Pressure | JPG | RocTest, Geokon, SlopeIndicator | ||
| Measurement Device |
Type of Movement |
Picture | Procedure | Supplier | |
| Base Plates | Vertical Embankment | JPG | Yes | RocTest, Geokon | |
| Borehole Extensometers | Horizontal & Vertical Embankment | JPG | RocTest, Geokon, SlopeIndicator | ||
| Closure Points, Crack Meters | Horizontal & Vertical Structure | JPG | RocTest, Geokon, SlopeIndicator | ||
| Convergence Meters | Horizontal & Vertical Structure | JPG | Geokon, SlopeIndicator | ||
| Collimation Targets | Horizontal & Vertical Structure | JPG | Yes | ||
| Concrete Deformation Points | Horizontal & Vertical Structure | JPG | Geokon | ||
| Concrete Stress Cell | Horizontal & Vertical Structural | JPG | Yes | Geokon, SlopeIndicator | |
| Foundation Deformation | Vertical Foundation | Yes | Geokon | ||
| Inclinometer | Horizontal Embankment Deflection | JPG | Yes | RocTest, Geokon, SlopeIndicator | |
| In-Place Inclinometer | Horizontal Embankment Deflection | JPG | RocTest, SlopeIndicator | ||
| Inclinometer Settlement | Vertical Embankment/Foundation | JPG | SlopeIndicator | ||
| Internal Vertical Movements | Vertical Embankment/Foundation | JPG | Yes | RocTest, Geokon, SlopeIndicator | |
| Joint Meters | Horizontal & Vertical Structure | JPG | RocTest, Geokon, SlopeIndicator | ||
| Landslide Points | Horizontal & Vertical Surface | JPG | |||
| Load Cells, Flat Jack | Vertical Embankment | JPG | Yes | RocTest, Geokon, SlopeIndicator | |
| Measurement Points | Horizontal & Vertical Surface | JPG | |||
| Plumblines | Horizontal Structure | JPG | Yes | RocTest | |
| Shear Strip Indicators | Horizontal & Vertical Structure | JPG | Geokon | ||
| Surface Strain Gauges | Horizontal & Vertical Structure | JPG | RocTest, Geokon, SlopeIndicator | ||
| Stress Cells (Carlson Meter) | Vertical Embankment | JPG | |||
| Structural Deformation Points | Horizontal & Vertical Structure | JPG | |||
| Tape Extensometers | Horizontal & Vertical Structure | JPG | Yes | RocTest, Geokon, SlopeIndicator | |
| Tiltmeters | Horizontal Structure | JPG | RocTest, Geokon, SlopeIndicator | ||
| Total Pressure Cells | Horizontal & Vertical Structure/Embankment | JPG | Yes | RocTest, Geokon | |
| Whittemore Gauge | Horizontal & Vertical Structure | JPG | |||
| Seepage Device |
Measures | Picture | Procedure | Suppliers | |
| Drain Flows | Seepage Measurements | ||||
| Horizontal Drains | Seepage Measurements | ||||
| Seepage | Seepage Measurements | JPG | |||
| Turbidity Meter | Seepage Flow | ||||
| Other Device |
Measures | Picture | Procedure | Suppliers | |
| Thermisters | Temperature | JPG | Geokon, RocTest | ||
| Water Quality | Water Quality | JPG | |||
