Materials Testing
When you need a firm that can provide a one-stop shop for construction related QA/QC, look to our team at Olsson.
Here, you’ll find the staff and lab services you need under one roof. Our experts have a depth and breadth of experience in inspection and testing, including, but not limited to, soils, concrete, aggregate, masonry, reinforcing steel, wood, structural steel, precast concrete, fireproofing, and asphaltic concrete.
Olsson provides facilities and services you won’t find just anywhere, like our centrally located structural steel lab and Nondestructive Testing. Our labs are accredited by the AASHTO Materials Reference Laboratory and certified by the U.S. Army Corps of Engineers.
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Soils/Aggregate
Nuclear Density Testing
Sand Cone Testing
Dynamic Cone Penetrometer (DCP) Testing
Soil Classification and Identification (USCS/Visual-Manual/AASHTO)
Atterberg Limits
Particle Size Distribution (Sieves and Hydrometer)
Specific Gravity of Soils
Moisture Content, Density, Void Ratio, and Saturation of Intact Specimens
Moisture-Density Relationship (Proctor)
- Standard effort
- Modified effort
- Soil-chemical mixtures (cement, lime, fly-ash, etc.)
One-Dimensional:
- Consolidation
- Swell
- Collapse
Unconfined Compressive Strength
Triaxial Compression
- Unconsolidated – undrained
- Consolidated – undrained
- Consolidated – drained
Direct Shear
- Consolidated – drained
California Bearing Ratio (CBR)
Dispersive Characteristics
- Crumb
- Pinhole
Organic Matter
- Organic (ash) content of soil
- Organic impurities in aggregates
Permeability
- Flexible wall permeameter
- Permeability of granular soils
Aggregate Quality Testing
- Soundness – magnesium sulfate
- Abrasion – Los Angeles
- Specific gravity and absorption
- Clay lumps and friable particles
- Percentage of fractured faces
- Lightweight particles in aggregate
Concrete, Masonry, and Cement Testing Services
Fluid Concrete Testing (ACI Level I Field Tester Certification)
Concrete Strength Testing (ACI Concrete Strength Testing Technician)
Slump, Air Content, Unit Weight, and Yield Testing
Compressive Strength
- Hardened concrete
- Destructive
- Nondestructive
- Block and block prisms
- Cement, mortar, and grout
- Drilled cores and sawed beams
Sampling
- Fluid/plastic concrete, grout, and mortar
- Hardened concrete (cores/beams)
- Concrete masonry and related units
- Aggregates for concrete
Flexural Strength
- Third-point loading
- Center-point loading
- Splitting – tensile
Length Change of Hardened Concrete
Alkali-Silica Reactivity (ASR) Testing
Vapor Emissions and pH Testing
Relative Humidity Testing
Reinforcing Steel Locating (Profometer and GPR)
Floor Flatness and Levelness
Mix Design Verifications
Asphalt Laboratory Services
Reducing Samples
Theoretical Maximum Specific Gravity
Oil Content (Extraction or Burn Off)
Bulk Specific Gravity
Marshall Density, Stability, and Flow
Percent Air Voids
Mechanical Sieve Analysis
Mix Designs Verification
- Marshall
- HVEEM
- Superpave
Laboratory Certifications
AASHTO (AMRL/CCRL)
Arkansas, Kansas, Colorado, Iowa, Nebraska, Missouri, and Oklahoma Departments of Transportations
U.S. Army Corps of Engineers (USACE)
Structural Steel Field Testing
Skidmore Wilhelm – Bolt Testing
Ultrasonic/Phased Array
Magnetic Particle Testing
Liquid Dye Penetrant Testing
Radiographic Testing (X-ray)
Eddy Current
Writing Welding/Bolting Procedures
Magnaflux
Certification of Welders
Metals Laboratory
Certifications
American Concrete Institute (ACI)
American Society for Nondestructive Testing (ASNT)
American Portable Nuclear Gauge Association
Arkansas, Kansas, Colorado, Iowa, Nebraska, Missouri, and Oklahoma Departments of Transportation
National Institute of Certified Engineering Technologies (NICET)