Rhett is a founding Principal of WDP & Associates.

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A. Rhett Whitlock

A. Rhett Whitlock Ph.D., P.E., Principal
  | 703.627.0342  | VCARD  | Request Resume

Rhett is a nationally recognized expert in materials analysis, design, and construction procedures, with special emphasis on structural masonry, masonry veneer, stucco, EIFS, window systems, and other exterior building wall systems.

“I enjoy solving problems, and helping clients get out of a bind is what I most enjoy about our work at WDP. When the phone rings, there is often an urgent problem  - a safety issue has been revealed,  air or water leakage has developed in a building, or perhaps a structure has experienced a catastrophic failure.  Forensic  engineering is a challenging practice – one that is increasingly needed, due to the complexity of structural and building systems being designed, coupled  with leaner budgets and shorter construction schedules.  Also issues frequently develop due to the infusion of new products to the market which have inherent problems.”

Years with WDP

Rhett co-founded WDP & Associates in 1995, following 12 years of prior professional experience


  • Ph.D., Civil Engineering, Clemson University, Clemson, South Carolina, 1983
  • Master of Science, Civil Engineering, Clemson University, Clemson, South Carolina, 1981
  • Bachelor of Science, Civil Engineering, Clemson University, Clemson, South Carolina, 1979


  • Ph.D.‑ "Strength of Anchor Bolts in Masonry"
  • M.S. ‑ "Investigation of Splitting Stresses in Grouted Hollow Brick Masonry"


  • Professional Engineer: VA, MD, NC, SC, FL, MS, LA, NV, IA, IL, KS, PA, NJ, NJ, ME


  • ASTM C-15 Committee on Manufactured Masonry Units – Alan H. Yorkdale Award
  • American Society of Civil Engineers – O.H. Ammann Research Fellowship

Professional Affiliations

  • American Society for Testing and Materials
    • Committee C11 on Gypsum and Related Building Materials and Systems
    • Committee C12 on Mortars and Grouts for Unit Masonry
    • Committee C15 on Manufactured Masonry Units
    • Committee E06 on Performance of Buildings
  • American Society of Civil Engineers
  • Clemson University Civil Engineering Department Advisory Board
  • Construction Specifications Institute
  • The Masonry Society
  • Masonry Standards Joint Committee
  • National Trust for Historic Preservation

Technical Papers/Publications & Speaking Engagements

Rhett has written over 40 authoritative published articles and research reports for owners, universities, and industry trade magazines and journals.  Topics have ranged from moisture vapor problems with masonry facades to condition assessments and standard test methods to engineering simulation analyses.  He is also frequently invited to speak at conferences held by The Brick Industry Association (formerly known as the Brick Institute of America) and other national trade societies and professional associations.

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Latest News
Jun 27, 2017
Rhett Whitlock, President, received an Award of Merit from ASTM
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