Geotechnical Laboratory & Field Support Services

Geotechnical Laboratory & Field Support staff are experts on the various materials Reclamation uses to build and maintain its structures, particularly in the areas of soil, rock, and foundation materials.  This group provides a wide variety of services including:

 
Geotechnical Materials Training (contact Robert Rinehart, 303-445-2395):
  • Customizable Geotechnical Materials and Field Testing Training
  • Earth School
 Photo of 100% humidity room
Rock Testing (contact Evan Lindenbach, 303-445-2336):
  • Physical and Index Properties including bulk density, specific gravity, porosity and absorption
  • Determination of Pulse Velocities and Ultrasonic Elastic Constants at varying stress states
  • Direct Shear (7-inch and 12-inch diameter)
    • Concrete or Rock
    • Static or Cyclic
    • Constant Normal Load or Constant Normal Stiffness
  • Normal Stiffness of Rock or Concrete Fractures
  • Triaxial Shear (with elevated temperatures and pore pressure measurements)
  • Indirect Splitting Tensile Strength
  • Uniaxial Compressive Strength, Static or Cyclic
  • Point Load Test
  • Tilt Table
  • Slake Durability
  • Drillability Tests
  • Rock Permeability
  • Petrographic Analysis
 Photo of indirect tension test
Soil Testing (contact Robert Rinehart, 303-445-2395):
  • Internal Erosion Testing
  • Index Testing
  • Static Testing
    • Direct Shear Strength (up to 12” specimens)
    • Triaxial Shear Strength (automated stress path system, up to 6” specimens)
    • Torsional Ring Shear, drained or undrained
    • Expansion/Consolidation
    • Fully Softened Strength and Residual Strength
  • Dynamic Testing
    • Cyclic Simple Shear (up to 5Hz)
    • Cyclic Triaxial Shear (up to 5Hz)
  • Consolidation Testing
    • One-dimensional consolidation
    • One-dimensional swell/consolidation for expansive clay and rock
  • Permeability Testing
    • Constant Head Permeability (up to 19” specimens)
    • Combined settlement & Permeability
    • Flexible Wall Permeameter including Flow Pump testing
  • Construction Materials Testing
    • Chemical Stabilization of Soils
    • Concrete aggregates
    • Riprap
    • Filter sand evaluations, including cementation potential
 Photo of 100% humidity room
Hydrogeological Support (Contact Jong Beom Kang, 303-445-2375):
  • Aquifer Characterization
    • Full Scale pump test
    • Correlations with CPT dissipation and Hydraulic Profiling logs
  • Hydrogeologic 3D Modeling to support the design and analysis of:
    • Construction dewatering design
    • Source infiltration galleries
    • Aquifer storage and recharge
 Photo of scale model embankment test
Site Investigation Support (Contact Tyler Chatfield, 303-445-2371):
  • Cone Penetration Testing
  • Standard Penetration Test Energy Measurement/Calibration
  • Field Vane Shear Test Investigation
  • Other In-Situ Property Testing
 Photo of CPT test rig
Last Updated: 1/7/22