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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:

A Commentary on the Implementation of Virginia Test Method Number 39: Electrical Resistivity Testing of Waterproof Membranes

Authors:

Year:	1976

VTRC No.:	76-R57
Abstract:	It was concluded that the electrical resistivity test was not ideally suitable as an inspection tool, but was the only currently available nondestructive test for determining the effectiveness of a waterproof membrane system. Considerable judgment and care were needed to properly conduct the test and interpret its results, but experience in a project on Route 495 showed the procedure to be workable and of help in controlling installation of the membrane system.