Material Testing
Frank H. Lehr Associates provides quality
assurance and quality control testing during construction for:
- Asphalt
- Concete
- Earthwork
- Piles
Asphalt
Plant
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Verification of Job Mix Formula
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Marshall Plugs (Air Voids, Bulk Specific
Gravity,
Maximum Specific Gravity, Stability, and
Flow)
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Extraction Tests
- FAA
Acceptance Testing
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Field
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Mix Placement including laydown
temperature, mat thickness,
and yield
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Compaction Testing - Nuclear Gauge
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Acceptance Testing
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Coring
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Concrete
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Monitoring Concrete Placement
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Sampling and Testing - Slump, Air
Content, Cylinders
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Reinforcing Steel Placement
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Swiss Hammer Testing
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Windsor Probe Testing
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Coring
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Earthwork
Laboratory Testing
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Identification and Classification
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Atterberg Limits
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California Bearing Ratio
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Consolidation
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Permeability
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Unconfined Compression
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Grain Size Analysis
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Moisture
- Density Relations (Proctor Test)
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Field Testing:
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Monitoring of Controlled Compacted Fill
Operations
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Footing Bottom Inspection
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Subgrade Inspections
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Field Density Testing
Piles
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Pile Load Tests
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Pile Driving Inspection
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