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

Figure 3-60

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Flowchart for assessing the condition of the concrete paste as applied to NC-440-015. This flowchart from Volume 2 of the guidelines shows how to examine the paste and air void system to determine if further evaluation of the aggregates is required. For the Raleigh, North Carolina site, examination of the paste and air void system showed the following conditions to be present, which led to the examination of 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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