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Construction Materials Testing
Our construction materials testing group approaches each job with a focus on client service and comprehensive project management. The team sees projects through from start to finish, checking compliance, and overall project issues. If challenges do surface, the team has reliable response mechanisms to assist clients with resolutions. Clients stay informed about testing results with readably available electronic delivery.
The construction materials testing group’s credentials, backed by our ongoing commitment to client service and satisfaction, make us a Mid-continental leader in the areas of concrete, asphalt, steel, soils and other construction materials testing. Our field representatives hold certificates from ACI, NICET, ASNT and AWS. Our St. Louis, Collinsville, Overland Park and Memphis testing laboratories are AASHTO/AMRL-CCRL and Army Corps of Engineers approved, our St. Louis lab is MoDOT approved and Collinsville is IDOT approved for aggregate and concrete testing.
The CMT group has played an integral role in the successful completion of many landmark construction projects and is recognized for providing quality, reliable service to contractors, owners, engineers and architects in Missouri, Illinois, Kansas and Tennessee. The St. Louis CMT group recently surpassed 4,500 days without a lost time accident, a monumental safety achievement.
We specialize in the following types of testing:
Concrete Testing – Field Services
- Test slump, air content and temperature
- Prepare strength specimens
- Sample aggregates
- Test batches
- Batch plant inspections
- Coring
- Rebound hammer
- Windsor probe
- Floor flatness and levelness
- Pachometer and StructureScan™
Concrete Testing – Laboratory Services
- Compressive strength testing (cylinders, cubes and cores – all sizes)
- Flexural strength testing of beams
- Masonry – grout, block prisms, mortar flow, and bond-wrench tests
- Aggregates
- Mix designs/trial batches
- Flaw detection
Asphalt Testing
- Mix designs
- Marshall method
- Superpave technology
- Compaction control
- Coring
- Hot bin pulls/gradation
- Asphalt content
Soil Testing
- Moisture content, Atterberg limits, dry density
- Hydrometer/Sieve Analysis
- Compaction tests
- Modified & Standard Proctor and relative density
- Strength testing
- Consolidation
- California bearing ratio
- Permeability Resistivity and pH
- Swell tests
Steel/Non-destructive Testing
- Visual observation of welded connection
- Dye penetrant
- Magnetic particle
- Ultrasonic flaw detection (Phased Array)
- Bolt testing (tension/torque)
- Welder certification
Other Testing
- Fireproofing
- Intumescent paint thickness
- Roofing materials
- Asbestos and lead-based paint identification/abatement monitoring
- Special inspections as per IBC