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

Figure 3-9

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Slab 1B stained with sodium cobaltinitrite/rhodamine B from SD-090-019-001. This figure is comprised of two photographs of slab 1B labeled A and B. The slab was stained with sodium cobaltinitrite/rhodamine B. Photograph A is a picture of the entire stained slab. A large crack is visible approximately half way down the slab. Photograph B is a stereo optical micrograph of a reactive rhyolite particle. The particle has a crack running it and reactive materials are visible in the paste surrounding the particle. The figure also contains a table listing the litho types, their volume in milliliters and their volume as a percent of total volume. Volume was determined by water displacement from a sample gathered at a nearby river. The total volume of all of the lithos was 1,479 milliliters. The information in the table is as follows:

 

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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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