IMT’s accredited construction materials laboratories perform a wide variety of procedures and tests on civil and structural materials for qualification, quality assurance and quality control purposes. Our accredited scope is the most comprehensive in the region, and includes the procedures listed below.
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Hot Mix Asphalt (HMA)
- Theoretical Maximum (Rice) Density
- Oil Content (Ignition, Extraction)
- Gradation of Extracted Aggregate
- Specimen Preparation by Gyratory Methods
- Specimen Preparation by Marshall Methods
- HMA Mix Design
- Marshall Flow and Stability
- Core Density and Thickness
- Voids Analysis
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Soil
- Particle Size Analysis (Gradation & Hydrometer)
- Moisture Density Curves (Proctor)
- Liquid & Plastic Limits, Plasticity Index
- Soil Classification
- PH
- Specific Gravity
- Moisture Content
- Density
- Compaction Control of Granular Materials (WSDOT 606/ITD T74)
- Organic Content
- Soil Cement & Cement Treated Base M/D Curves, Strength, Mix Design
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Aggregate
- Sieve Analysis/#200 Wash
- Sand Equivalent
- Fractured Faces
- Flat & Elongated Pieces
- Sulfate Soundness
- Clay Lumps & Friable Pieces
- Lightweight Pieces
- Organic Impurities
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Concrete
- Compressive Strength
- Unit & Equilibrium Weight
- Flexural Strength (Center & Third Point Loading)
- Trial Batching
- Core Testing
- Mix Design
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Masonry Materials & Grout
- CMU Strength, Moisture & Absorption
- Masonry Grout Strength
- Masonry Prism Strength
- Mortar & Dry Pack, Damp Pack & Flowable Grout Strength (Cubes)
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