May 20, 2021
11:30 AM - 1:00 PM
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Join us at 11:30 for our May Luncheon. We will have Jeff Groh and Marc Zacharias teach us about calorimeters and how the are utilized in our industry. Below is the link information to join the meeting remotely.
Calmetrix ACI Presentation
Thu, May 20, 2021 1:00 PM - 2:00 PM (EDT)
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Jeff Groh – U.S. Sales Manager, Calmetrix
Jeff is based in North Carolina and is the U.S. Sales Manager for the U.S. and Canada. In that role he consults with customers on instrument selection, training and applications support. Trained as an engineer, Jeff has spent 35 years in the analytical instrument market focused on calorimetry, thermal analysis and rheology, and in a variety of roles including sales, marketing, service and support and new product development.
Marc Zacharias – Managing Director, Calmetrix
Marc is Managing Director of Calmetrix, a privately owned company founded by professionals with extensive backgrounds in cement technology. He currently resides in France. Formerly of Grace, Marc as Business Director, along with colleague Paul Sandberg and Dr. Lars Wadso, developed a business model that incorporated the AdiaCal and IsoCal field calorimeters to support the sales and applications of Grace admixtures. In 2010, Marc formed Calmetrix and Grace spun off that technology to help launch Calmetrix. Since that time, Marc and colleagues have transformed Calmetrix into the premier supplier of semi-adiabatic and isothermal calorimeters to the cement and concrete industry, and recently introduced a revolutionary concrete rheometer.
Abstract of talk
This presentation will focus on the design and uses of semi-adiabatic calorimeters that are designed to simulate the conditions of concrete flatwork. They are housed in a rugged case designed for portability that makes them ideal for troubleshooting or quality control in concrete plants, field work or in mobile labs. Compliant with ASTM C1753, these powerful yet affordable tools find uses in mix design, material incompatibility, quality control of raw materials, estimation of setting time and a portable diagnostic and troubleshooting instrument for admixture, cement or fly ash field technicians. Just recently, the ability to assess maturity has been introduced and will be discussed.Register Now
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