GEOTECHNICAL ENGINEERING
Geotechnical Engineering Services Include:
- Earthquake Engineering
- Earth Slopes and Embankments
- Erosion Control
- Excavation Characteristics
- Flood Control Structures
- Foundation Engineering
- Geologic Hazard Evaluations
- Ground Improvement
- Pavement Engineering
- Retaining and Buried Structures
- Site Investigations
- Slope Stability
- Soil Improvement
PAVEMENT ENGINEERING
Design methods used include:
- Asphalt Institute
- Portland Cement Association
- Maricopa Association of Governments (MAG)
- Arizona Department of Transportation (ADOT)
- Federal Highway Administration
- Federal Aviation Administration
FIELD-TESTING & INSPECTION
Equipment Used Include:
- Schmidt Hammer
- Ultrasonic Test Equipment
- Magnetic Particle Test Equipment
- High-Range Torque Wrenches
- R Meter (Pachometers)
- Windsor Probe
- Pull-Load Testing Devices
- Concrete Vapor Transmission Test Kits
- Thin Lift Nuclear Asphalt Gauges
- Coring Machines
- Floor Flatness Testing Devices
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GEOTECHNICAL TESTING
- Field Density Determination
- Density of Undisturbed Samples
- Atterberg Limits
- Moisture-Density Relationship
- Expansion/ Consolidation
- Permeability Testing
- Percolation Testing
- Corrosivity Testing
- Direct Shear Testing
AGGREGATE TESTING
- Liquid Limit & Plasticity Index
- Percent Passing No. 200 Sieve Screen
- Sieve Analysis
- Specific Gravity & Absorption
- Unit Weight of Aggregate
- Fractured Face Count
- Sand Equivalent
CONCRETE/ MASONRY TESTING
- Compressive Strength & Flexural Strength
- Mix Design/ Verification
- Slump, Air Content, Unit Weight, Temperature, Yield
- Time of Set
- Pre & Post-Tensioning Inspection
- Coring
ASPHALT TESTING
- Asphaltic Density Tests (nuclear)
- Density/ Thickness of Asphalt
- Extraction & Gradation
- Index of Retained Strength (Tensile Strength Ratio)
- Marshall Density, Stability & Flow
- Asphalt Mix Design
- Maximum Theoretical Specific Gravity
- Coring
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