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Petrographic Analysis

Petrographic analysis can be applied to the concrete industry in numerous ways and thus helps to unlock the microscopic secrets of concrete’s big-picture ideas. By utilizing polarizing light microscopy, GeoStructures petrographers characterize concrete samples based on the following characteristics:

  • Composition of aggregates (ASTM C259)
  • Quality of cement paste (ASTM C856)
  • Water/cement ratio
  • Air void percentages (ASTM C457)
  • Depth of carbonation
  • Evidence of alkali-silica reactions (ASTM C856)

Our petrographers tailor their approach to fit client needs, thus providing insight into potential failure mechanisms, corrosion, weathering/leaching, fire damage, sulfate attack, freeze/thaw durability, and more!

  For inquiries related to Petrographic Analysis, please contact Justin Roth (

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