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Technical Service Center, Geotechnical Services
Instrumentation and Inspections Group

Instrument Information


Select a Type of Measurement
 
Water Pressure (Piezometers) Drains & Flow (Seepage)
Embankment & Structural Movements Other Measurements


Information available: Explanation:
Image Photo or Illustration of Typical Instrument and/or installation
Procedure Installation, calibration, reading procedures, and maintenance.


Water Pressure (Piezometers)
Piezometer Type Measures Image Procedure
Hydraulic, Master Gauge Water Pressure JPG PDF Yes
Hydrostatic Pressure Indicators Water Pressure JPG PDF Yes
Pneumatic Water Pressure JPG PDF Yes
Stand Pipe Water Depth/Pressure JPG PDF Yes
Uplift Pressures Water Pressure JPG PDF Yes
Vibrating-Wire Water Pressure JPG PDF Provided on Request


Embankment & Structural Movements
Meaurement Device Type of Movement Image Procedure
Base Plates Vertical Embankment JPG PDF Yes
Borehole Extensometers Horizontal & Vertical Embankment JPG PDF  
Closure Points, Crack Meters Horizontal & Vertical Structure JPG PDF  
Convergence Meters Horizontal & Vertical Structure JPG PDF  
Collimation Targets Horizontal & Vertical Structure JPG PDF Yes
Concrete Deformation Points Horizontal & Vertical Structure JPG PDF  
Concrete Stress Cell Horizontal & Vertical Structural JPG PDF Yes
Foundation Deformation Vertical Foundation     Yes
Inclinometer Horizontal Embankment Deflection JPG PDF Yes
In-Place Inclinometer Horizontal Embankment Deflection JPG PDF  
Inclinometer Settlement Vertical Embankment/Foundation JPG PDF Yes
Internal Vertical Movements Vertical Embankment/Foundation JPG PDF Yes
Joint Meters Horizontal & Vertical Structure JPG PDF  
Landslide Points Horizontal & Vertical Surface JPG PDF  
Load Cells, Flat Jack Vertical Embankment JPG PDF Yes
Measurement Points Horizontal & Vertical Surface JPG PDF  
Plumblines Horizontal Structure JPG PDF Yes
Shear Strip Indicators Horizontal & Vertical Structure JPG PDF  
Surface Strain Gauges Horizontal & Vertical Structure JPG PDF  
Stress Cells (Carlson Meter) Vertical Embankment JPG PDF  
Structural Deformation Points Horizontal & Vertical Structure JPG PDF  
Tape Extensometers Horizontal & Vertical Structure JPG PDF Yes
Tiltmeters Horizontal Structure JPG PDF  
Total Pressure Cells Horizontal & Vertical Structure/Embankment JPG PDF Yes
Whittemore Gauge Horizontal & Vertical Structure JPG PDF  


Drains & Flow (Seepage)
Seepage Device Measures Image Procedure
Drain Flows Seepage Measurements      
Horizontal Drains Seepage Measurements      
Seepage Seepage Measurements JPG PDF  
Turbidity Meter Seepage Flow      


Other
Other Device Measures Image Procedure
Thermisters Temperature JPG PDF  
Water Quality Water Quality JPG PDF  

Last Updated: 2010/10/26