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Federal Highway Administration Research and Technology
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Report
This report is an archived publication and may contain dated technical, contact, and link information
Publication Number: FHWA-RD-01-165
Date: March 2002

Figure 3-61

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Flowchart for assessing the condition of the concrete aggregates as applied to NC-440-015. This flowchart from Volume 2 of the guidelines shows how to examine the coarse and fine aggregate structure and type to determine if the paste condition should be evaluated. For the Raleigh, North Carolina site, examination of the coarse and fine aggregate structure and determination of the coarse and fine aggregate type showed the following conditions to be present and led to the examination of the paste condition:

 

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