May 23, 2024


12:00 PM - 1:00 PM EST

Contact Hours


Location Online - Course

One Hour Webinar


The Virginia LTAP, in partnership with the Virginia Transportation Research Council (VTRC), the research leg of VDOT, invites you to join us for a one-hour lunch and learn event. This new series will showcase VTRC’s transportation innovation and research.

These monthly, one-hour events will take place at various locations across the Commonwealth from 12:00 pm to 1:00 pm. You may join remotely via Zoom or attend in-person. Lunch will be provided for those who attend in-person. Those attending in-person will also receive some swag.


Raman spectroscopy has been used for the characterization of a variety of cementitious materials for nearly 50 years. However, hyperspectral mapping or Raman imaging is a relatively new technique that produces phase maps or spectral images of sample surfaces by collecting a Raman spectrum on every pixel.

Over the last 10 years, the capabilities of Raman imaging have significantly improved, primarily due to hardware and software advancements in the Raman confocal microscopes and spectrometers.

In this talk, I will outline recent applications of Raman imaging on construction materials and discuss opportunities as well as challenges. Specifically, Raman imaging allows highly accurate and precise mineral mapping of heterogenous ingredients of concrete (ranging from traditional aggregates to modern, blended cements). By collecting high-resolution (µm scale) and large-area (mm scale) Raman images of diverse systems, my group has recently demonstrated mineral quantification in complex phase assemblages.

In addition, most recently, we have also shown how this technique can be exploited to obtain phase-specific Particle Size Distributions (PSDs) in blended cements which are key for predicting myriad concrete properties such as workability, strength, and durability.


Nishant Garg

Assistant Professor, Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois.

Nishant Garg is an Assistant Professor at the Department of Civil and Environmental Engineering at University of Illinois at Urbana-Champaign since 2018. He completed his Postdoctoral research at Princeton University (2016-2018) and obtained his Ph.D. in Nanoscience at Aarhus University, Denmark in 2015. At Illinois, his research group focuses on the characterization and chemistry of construction materials, and is supported by agencies such as the Illinois Department of Transportation (IDOT), US Department of Energy (DOE), National Science Foundation (NSF) and the Advanced Research Projects Agency – Energy (ARPA-E). In 2021, he was awarded the Stephen Brunauer Award from the Cements Division of the American Ceramic Society.

Registration and Payment

The following registration fees cover the session, all course materials and meals:


Click here for UVA TTA's general registration information, cancellation policy, and refund policy. UVA TTA accepts the following credit cards: American Express, VISA, MasterCard, and Discover. Credit card information cannot be taken over the phone. Alternatively, after registering you can print out a voucher to send in with your payment. After you have completed the transaction you will receive an automatically generated email confirming registration and payment if applicable. Final confirmation and instructions will be sent out during the week prior to the class date.