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Publication Number: FHWA-RD-01-165
Date: March 2002

Figure 3-42

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Flowchart for assessing general concrete properties based on visual examination as applied to MN-065-064. This flowchart from Volume 2 of the guidelines shows how to use visual examination of the concrete to determine if the paste aggregates need to be further evaluated. For this site, visual examination showed that the concrete met the following conditions that led to examination of the paste and the aggregate:

 

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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT).
The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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