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The contents of this report reflect the views of the author(s), who is responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Virginia Department of Transportation, the Commonwealth Transportation Board, or the Federal Highway Administration. This report does not constitute a standard, specification, or regulation. Any inclusion of manufacturer names, trade names, or trademarks is for identification purposes only and is not to be considered an endorsement.

Title:

Microwave Reflection Measurements of the Dielectric Properties of Concrete: Final Report

Authors:

Clemeña, G. G.

Year:	1983

VTRC No.:	84-R10
Abstract:	The use of microwave reflection measurements to continuously and nondestructively monitor the hydration of concrete is described. The method relies upon the influence of the free-water content on the dielectric properties of the concrete. Use of the method, on concrete blocks showed linear relations between the compressive strength, water-cement ratio, and block thickness with the dielectric properties. Some possible applications of the method are discussed.