Staff members in the Concrete, Geotechnical, and Structural Laboratory Group are experts on the various materials Reclamation uses to build and maintain its structures, particularly in the areas of concrete, concrete repair, soil, rock, and foundation materials. This group provides a wide variety of services including:

 
General Concrete and Geotechnical Materials Training (contact Janet White, 303-445-2373):  Photo of 100% humidity room
Concrete Materials (contact Katie Bartojay, 303-445-2374):
  • Concrete Specifications, Construction Support and Submittal Review
  • Concrete Materials Testing
  • Concrete Mix Design
  • Roller Compacted Concrete (RCC)
  • Self-Consolidating Concrete (SCC)
  • Controlled Low Strength Materials (CLSM)
 Photo of concrete mix lab
Concrete Repair and Concrete Coring (contact Westin Joy, 303-445-2382):
  • Polymeric Materials Design and Specifications
  • Concrete Repair Specifications, Construction Support and Submittal Review
  • Concrete Repair Materials and Techniques
  • Cementitious Grouting
  • Chemical Grouting Materials and Techniques
  • Concrete Condition Assessment
  • Concrete Core Sampling and Testing
 Photo of concrete repair on siphon
Photogrammetry for Condition Assessment (contact Matthew Klein, 303-445-2368):
  • Using high resolution photos to create point-cloud data for assessing structures and calculating volumes
 Photogrammetry rendering of bulkhead gate
Structural Testing (contact Warren Starbuck, 303-445-2317):
  • ASTM Standard Tests Utilizing Universal Testing Machines
  • Full-Scale Structural Testing Utilizing 5-million Pound Universal Testing Machine
  • Tensile Strength of Steel Specimens, Members, and Cables
  • Customized Testing Programs
  • Customized Testing Equipment Fabrication
  • Dynamic/Vibration Laboratory Testing
 Photo of dynamic direct tension testing machine
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
  • Direct Shear (7-inch and 12-inch diameter)
  • Triaxial Shear (with elevated temperatures and pore pressure measurements)
  • Indirect Splitting Tensile Strength
  • Uniaxial Compressive Strength
  • 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):
  • Index Testing
  • Static Testing
    • Direct Shear Strength (up to 12” specimens)
    • Triaxial Shear Strength (automated stress path system, up to 6” specimens)
    • Rotational Shear Strength
    • 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
    • Rip rap
 Photo of 100% humidity room
Hydrogeological Support (Contact Bethany Jackson, 303-445-2387):
  • 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 Khadija Ngozi-Bullock, 303-445-2375):
  • 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: 6/1/16