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Optimizing Fly Ash Concrete


Presented by: Karthik Obla, NRMCA  (BIO | EMAIL)
Time: 10:30 am EST
1.5 hours duration
Pricing: $50 (Members & N



To register online: Click the link next to the date above.

To register by fax: Download a Fax-Back Registration Form.

To contact nrmca: Call 240-485-1152, or email


Instructions for Webinar participation will be provided by, not NRMCA. Please add them to your
contacts in order to ensure proper delivery. Login instructions
will be sent within two business days of registration. 


System Requirements

PC-Based Attendees │ REQUIRED: Windows® 2000, XP Home, XP Pro, 2003 Server.

Macintosh®-Based Attendees │ REQUIRED: Mac OS® X 10.3.9 (Panther®) or newer.



Webinar Description:


What is the right amount of fly ash to use in concrete? Is as much as possible the right answer? What does the Code says? What do the specifications say? What happens to concrete performance with increasing fly ash? What about cost savings? What is the producer’s perspective? What is the
engineer’s perspective? Find out by attending this interesting seminar.


Presenter Bio:


Karthik Obla (Ph.D., P.E.) has over 18 years of experience in concrete technology, research, materials, and products. He oversees NRMCA’s concrete laboratory and research program. His expertise is in the field of concrete materials technology, specifications, and the use of mineral and chemical admixtures. He is a Fellow of ACI and a winner of ACI’s Young Professional Achievement Award. Dr. Obla is an active member of various ACI, ASTM, and TRB technical committees and serves as Chair for ASTM C09.49 – Pervious Concrete and ACI 232 – Fly ash. He has published over 50 technical articles in journals and has presented in several international conferences. He holds a Ph.D. in Civil Engineering from University of Michigan, Ann Arbor and is a licensed professional engineer in the state of Michigan and Maryland. He served as Vice-President and President for the ACI San Antonio Chapter. Prior to joining NRMCA in 2003 he was Technical Manager at Boral Material Technologies for several years.




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