Forensic Geology/Petrography: What Aggregate Analyses Tell Us About Concrete?

March 15, 2022
Building Forensics, Building Technology, Concrete, Construction Services, Pavement, Petrographics / Chemistry

AET Webinar by Christopher Braaten, PG, CPG

Join Senior Petrographer, Chris Braaten, PG, CPG, in a pre-recorded webinar about how AET uses petrographic examination (following ASTM C294/C295) to evaluate aggregates that are proposed for use in concrete and other cementitious mixtures.

This petrography webinar covers

What is forensic geology/petrography?
Why use petrography?
Overview of problematic rock types and minerals
Potential impacts of aggregate components on concrete
Photos, thin sections, and scanning electron microscope (SEM) images of issues
Highlights of several forensic case studies

AET Webinar: Forensic Geology / Petrography: What Aggregate Analyses Tell Us About Concrete?

Christopher Braaten, PG, CPG is a Professional Geologist, a Certified Professional Geologist, and a Senior Petrographer at AET. He graduated from the University of Minnesota in Duluth with a degree in Geological sciences and began his career with AET in 2005. He worked as a Field Technician, a Bridge Inspector, and the Aggregate Laboratory Coordinator before qualifying as a Petrographer in 2011. Chris has performed petrographic analysis on construction aggregate from 49 US States and 18 different countries/territories.

Chris Braaten can be reached at cbraaten@teamAET.com