Thiele Geotech, Inc. takes pride in our reputation for responsive construction material engineering services. A dedication to service and a working relationship based on trust are cornerstones of this reputation. Our professional and technical staff strive to be available at all times. Engineering support is only a cellular call away, and, as always, is rooted in a practical approach with an innovative blend of traditional methods and new technology.

Thiele Geotech, Inc. (TG) is one of the very few agencies accredited by the American Association of State Highway and Transportation Officials (AASHTO), in the midwest area. The AASHTO program is focused solely on laboratories in the construction materials testing field. TG has selected the AASHTO program because it offers the most complete package for accreditation and proficiency sample testing. It is considered by many in the industry to be the founding accreditation program of reference. The accreditation and reference sample programs assures our clients that our equipment, procedures, and personnel are providing a standard of consistent reliability.

Within the AASHTO program are two agencies the AASHTO Materials Reference Laboratory (AMRL) and the Cement and Concrete Reference Laboratory (CCRL). These agencies conduct laboratory on-site inspections, quality systems reviews and distribute and analyze proficiency sample test data. TG participates in the AASHTO reference sample programs for soils, concrete aggregates, asphalt concrete aggregates, asphaltic concrete mixes, asphalt cement, and Portland cement concrete mixes.

AASHTO ACCREDITATION PROGRAM ACCREDITED FOR:

ASTM C 1077: Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation.
ASTM D 3666: Evaluating and Qualifying Agencies Testing and Inspecting Bituminous Paving Materials.
ASTM D 3740: Testing and/or Inspection of Soil and Rock Used in Engineering Design and Construction.

Construction material testing is performed by experienced technicians working under the direct supervision of a registered professional engineer. TG provides complete quality control testing and inspection services for earthwork, concrete, reinforcing steel, structural steel, masonry, and asphalt construction. Inspection and quality control tests are performed by ACI, NICET, AWS, and ICBO certified technicians. In addition, TG technical staff have City of Omaha Building Department Special Inspection Certifications. General categories of testing services:

SOIL

Subgrade Compaction
Trench Compaction
Earthwork Observation
Pile Installation Observation
Drilled Pier Placement Observation
Landfill Liners & Cover Testing

CONCRETE

Plant Quality Control of PCC Mixtures
PCC & Soil Cement Mix Designs
Slump, Air, Temperature Tests
Compressive Strength of Cylinders
Flexural Strength of Beams
Maturity Testing

ASPHALT

Plant Quality Control/Quality Assurance of ACC Mixtures & Aggregates
Mixture Design & Verification (Marshall & Superpave Methods)
Asphaltic Binder Viscosity
Nuclear Density Compaction Control
HMA Cement Content/Sieve Analysis
HMA Marshall Properties-Stability & Flow
HMA Maximum Mixture (Rice) Gravity
HMA Air Void & Volumetric Properties
HMA Tensile Strength Ratio
Core Thickness, Density, & Percent Compaction

AGGREGATES

Sieve Analysis
Soundness/Freeze Thaw Method
Soundness/Concentrated Salt Solutions
Abrasion
Specific Gravity & Absorption
Lightweight Pieces
Deleterious Materials
Organic Impurities
Coarse & Fine Angularity
Flat & Elongated Pieces
Sand Equivalent

SPECIAL INSPECTIONS

Shallow & Deep Foundations
Concrete & Reinforcing
Welding
High Strength Bolts
Structural Masonry
Spray Applied Fireproofing

MISCELLANEOUS

Floor Flatness Testing
Pavement Coring
Engineering Consultation

Thiele Geotech, Inc. is a leader in the use of recycled concrete and asphalt in construction. Our engineers developed a specification used by several agencies for the use of Recycled Aggregates in Infrastructure Construction.

For unique project requirements, the company has a fully equipped 43' x 8' mobile field laboratory designed for providing quality control services at remote locations. This unit provides the advantage of dedicated on-site staff and testing.

 


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