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Operations Topics	Promotion Topics	Technical Topics	Safety & Environmental Topics

Presented by: David Rothstein, DRP Consulting  (BIO)
Time: 10:30 am EST │ 1.5 hours duration
Pricing: $50 (Members & Non-Members)

Webinar Description:

Concrete petrography can be a useful, insightful and economical tool to gain an understanding of the performance of concrete and other cement-based construction materials. It can also be a poorly understood exercise in that is ultimately more frustrating than rewarding for clients. This seminar will highlight the basics of concrete petrography and show how it can become part of a broad tool kit in troubleshooting concrete construction.

This session will focus primarily on issues relevant to concrete suppliers--such as materials QA/QC, early-age cracking, low strength, and the control of air, but other topics such as scaling, freeze-thaw damage, and alkali-silica reaction are also fair game. The goals of the seminar include conveying how a petrographic examination is done, how to coordinate and manage investigations that use concrete petrography, how to sample for concrete petrography, how to know what petrography can tell you and how to recognize what petrography can't tell you.

Presenter Bio:

David Rothstein, Ph.D., P.G. is the principal of DRP Consulting, Inc. (DRP) a firm specializing in petrographic analysis of concrete and other cement-based construction materials as well as natural rock products. He has more than twenty years of professional experience in petrographic analysis, focusing on concrete and construction materials for the past thirteen years. He holds degrees in Geology from the University of California-Los Angeles (Ph.D.), Northern Arizona University (M.S.) and University of Wisconsin-Madison (B.S.). Dr. Rothstein was a post-doctoral research fellow in the Department of Civil Engineering at Northwestern University in Evanston, Illinois from 1999-2001. He is a professional geologist licensed in California and Illinois.

Dr. Rothstein is an active member of the American Concrete Institute (ACI), the American Society of Testing and Materials (ASTM, the International Concrete Repair Institute (ICRI) and the American Institute of Professional Geologists (AIPG). He serves as a voting member on committees in ACI and ASTM involved with concrete durability, petrography, aggregates and chemical reactions. He has presented work at national meetings of the American Concrete Institute, the American Ceramics Society, the American Geophysical Union, the Geological Society of America, the International Cement Microscopy Association, and the Transportation Research Board.
 

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