Materials Testing Services

A & A is extremely proud of our full-service laboratory established in 2004 and accredited by AASHTO and the U.S. Army Corps of Engineers.

The A & A Materials Testing Laboratory offers the following array of lab testing services:

Soil Testing

  • Liquid Limit, Plastic Limit (AASHTO T89 & T90)
  • Particle Size Analysis with Hydrometer
  • Proctors (Standard and Modified)
  • California Bearing Ratios (CBR)
  • Soil Identification (AASHTO, USCS, USDA)
  • Point Load Testing for Rocks
  • Water Content Determination

Aggregate

  • Gradation with Wash

Full Concrete Laboratory

  • Compressive Strength Tests
  • Concrete Cylinders, Slump and Air
  • Grout and Mortar Cubes