Penniman & Browne boasts a fully equipped construction materials testing laboratory and field personnel. Our field work and laboratory analysis are supervised by licensed professional engineers. Our laboratory is certified by the U.S. Army Corps of Engineers and AASHTO. Field personnel are certified by their particular discipline including ACI, NICET, and AWS.
Our field and laboratory services include, but are not limited to:
- Concrete, mortar and grout testing
- Soil testing analysis services
- Foundation design and inspection
- Pile load testing
- Structural steel inspection
- Engineered earth fills
- Engineered masonry
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- Reinforcing steel placement
- Coring of concrete and asphalt
- Bituminous paving
- Sprayed-on fireproofing
- Visual weld inspection
- Roofing materials testing and inspection
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Soil and Aggregates Analysis: sieve analysis, gradation, atterberg limits, moisture content, specific gravity, moisture/density proctor, California bearing ratio, unconfined compression, direct shear, triaxial compression, classification, organic content, LA abrasion, amount-finer-than-200 sieve, plasticity index of soil, one-dimensional consolidation of soils, maximum soil index, minimum index and unit weight of granular soil, sand cone density, penetration test and split-barrel sampling of soils, thin-wall sampling of soils, drive cylinder method for in-place density, water content and density by nuclear methods
Concrete Analysis: mix design, compression strength, entrained air, unit weight, mortar/grout cubes, flatness, concrete coring, half-cell corrosion potential, petrographic analysis, concrete chlorides determination
Asphalt Analysis: core sampling, density, compaction, asphalt content, viscosity, aggregate gradation, penetration, remold marshall stability and flow, specific gravity, maximum density, mix designs from one to four points, rap mix designs
Metallurgical Analysis: physical properties verification – yield, tensile, elongation, reduction, shear, hardness; chemical analysis; non-destructive examination of metals – radiographic, ultrasonic inspection, magnetic particle, liquid dye penetrant, and visual inspection
Masonry: permeability, compressive strength, shrinkage, absorption and mortar match analysis
Other lab analysis services: verification of physical properties of plastics, epoxies and wood
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