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american petrographic services

AET > Services > Materials

American Engineering Testing, Inc. (AET) provides engineering observations, special structural inspections and testing services for conformance with Uniform Building Code (UBC) Section 1701 and International Building Code (IBC) Chapter 17.  AET also provides comprehensive material testing services to monitor quality control on construction projects. These services include laboratory and field testing of soil, concrete, masonry, asphalt, aggregate, and building stone materials.  AET's St. Paul Materials division is AASHTO Accredited .

UBC & IBC Special Inspections

  • Observations of soils in excavations and judging their suitability for structural support

  • Observations of soils or bedrock in drilled pier foundations and judging their suitability for structural support

  • Observations during installation of driven pile foundations and judging their suitability to support the design loads

  • Observations of reinforcing steel in concrete structures to evaluate its compliance with project plans and specifications

  • Observations of post-tensioned (PT) tendons in concrete structures and observing stressing of the tendons

  • Observations during construction of masonry structures to evaluate reinforcement, construction techniques, proper materials, and conformance to project plans and specifications

  • Observations and testing of welded and high strength bolted structural connections to evaluate compliance with project plans and specifications

  • Testing of spray-applied fireproofing for compliance with UBC requirements and/or project specifications

Typical Testing Services:
  • Soil Testing
    • In-place moisture & density (sand cone & nuclear)
    • Standard & Modified Proctors
    • Sieve testing
    • Organic and nutrient testing
  • Concrete Testing
    • Document plastic properties (slump, air content, temperature and unit weight)
    • Casting test specimens
    • Strength tests of hardened concrete
    • Performance testing (freeze-thaw, shrinkage, and soundness)
    • Locating embedded reinforcing steel
    • Core removal from hardened concrete and strength testing
    • Chloride ion concentration
    • Mix designs and verification

    Bituminous / Asphalt Testing

    • Extraction / gradation tests
    • Marshall properties
    • Rice specific gravity
    • Field process control (thickness and density testing)
    • Thickness and in-place density by core removal
    • Mix design and verification
  • Aggregate Testing
    • Sieve analysis
    • Deleterious materials (MN/DOT and ASTM)
    • Specific gravity and absorption
    • Abrasion
    • Soundness
    • Unit weight
    • Insoluble residue
    • Crushing
  • Masonry Testing
    • Physical properties (including brick, block, retaining wall and building stone)
    • Block prism compression and bond strength
    • Brick prism bond and flexural strength
    • Sampling and testing of grout and mortar
  • Nondestructive Testing
    • Radiograph
    • Ultrasonic
    • Magnetic particle
    • Liquid penetrant
    • Visual
    • Borescope
  • Petrography

Personnel The special inspection services and testing are performed by qualified engineers, engineering assistants and engineering technicians trained to perform these services. Our personnel will provide the services on a periodic or full-time basis, depending on the requirements of the project specifications or job site conditions. Our employees are trained in the technical standard operating procedures performed, are certified either externally by Mn/DOT, NICET, ACI, ICBO, ASNT or other recognized certifying authority, or internally by AET.

Construction of Xcel Energy Center frame

 

 

 

 

 

 

 

 

 

 

 

Xcel Energy Center Project

 

In-house quality assurance / quality control systems are an important means of maintaining excellent performance

 

 

 

 

 

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