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Ara A. Jeknavorian, Ph.D.

Ara A. Jeknavorian, Ph.D.

Dr. Ara A. Jeknavorian is a consultant with Jeknavorian Consulting Services, Chelmsford, Mass. He received a Ph.D. in Analytical Chemistry from the University of Massachusetts-Lowell. He is a Fellow of both the American Concrete Institute and ASTM, and has served as past chairman of the ASTM chemical admixture sub-committee. Before starting his consulting practice, Jeknavorian was a member of the R&D group of the W.R. Grace Co., where he was responsible for developing new chemical admixture technologies and products. He is an inventor on 19 patents and has published more than 40 articles on chemical admixtures. His research interests include admixture technology development, probing cement-admixture interactions, and troubleshooting unexpected cement-admixture performance.

Ara A. Jeknavorian, Ph.D.'s Posts

Cement-Admixture Incompatibility Cement-Admixture Incompatibility

Understanding the problems and some simple fixes. Read more

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Viscosity Modifying Admixtures Viscosity Modifying Admixtures

A handy chemical admixture for the concrete producer Read more

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Polycarboxylate Superplasticizers Polycarboxylate Superplasticizers

What have we learned in the past 20 years? Read more

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Optimizing Admixtures for SCC Optimizing Admixtures for SCC

You can only achieve successful construction with self-consolidating concrete when the SCC mixture exhibits proper rheological parameters. Read more

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