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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>CRITICAL REAPPRAISAL OF COLLOIDAL ACTIVITY OF CLAYS</title>
      <link>https://trid.trb.org/View/307957</link>
      <description><![CDATA[A micromechanistic interpretation of the Atterberg limits and colloidal activity is made, and, based on this, the role played by these parameters in the interpretation of test data is identified.  The study concludes that the liquid limit of soils is a reflection of their surface activity. It is dominantly influenced by the specific surface area and the associated physicochemical potential. The liquid limit is a measure of the water-holding capacity of soils under the influence of interparticle forces.  At the liquid limit, the soils have comparable strength.  The combined effects of the physicochemical properties are, to a large extent, reflected by the liquid limit.  Other conclusions drawn from the study are presented.]]></description>
      <pubDate>Mon, 30 Apr 1990 00:00:00 GMT</pubDate>
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      <title>WATER-HOLDING CAPACITY FOR HYDROMULCH</title>
      <link>https://trid.trb.org/View/65326</link>
      <description><![CDATA[It was the intent of this project to develop a reliable test for evaluating the water-holding capacity of various types of hydro-mulch fibers.  This was accomplished by refining an initial method which was a synthesis of the methods used by three major producer/testers of hydromulch fiber.  Both the initial and resultant methods are described as well as the process of refinement. /Author/]]></description>
      <pubDate>Wed, 22 Jun 1977 00:00:00 GMT</pubDate>
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      <title>"SNORKEL" ON COUNTY WATER TANKERS PERMITS REFILLS AT ANY LOCAL STREAM</title>
      <link>https://trid.trb.org/View/138913</link>
      <description><![CDATA[To eliminate refill trips by water tankers that run dry during road compaction work or dust abatement, Florida's Broward County Highway Department built a "snorkel unit" that takes water from any source.  Two water tanks with snorkel-type loading are mounted on F-800 Ford Tandems. One of the 3000 gal tanks was manufactured while the other was built and baffled by the road department's welding shop. The pump is powered by a high ratio power take-off.  A triple-pully belt drive was tried but proved unsatisfactory. The working end of the snorkel is a hollow metal tube with numerous one-fourth in. diam perforations that screen out debris when drawing stream water.  The 20-ft long tubular metal handle is attached to a short section of rubber hose. The snorkel swings any part of 180 deg which would in most cases put the truck in a loading position.  With the ratio we have on either truck a 3000 gal load can be taken on in 15 minutes.  It is estimated that the unit now provides double service at the job site because it can refine at local streams.  The materials used in fabricating the snorkels came from discarded equipment or salvage.]]></description>
      <pubDate>Tue, 22 Oct 1974 00:00:00 GMT</pubDate>
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      <title>THE PROBLEM OF WATER ABSORPTION BY LIGHTWEIGHT AGGREGATES</title>
      <link>https://trid.trb.org/View/101776</link>
      <description><![CDATA[IT IS DESIRABLE TO BE ABLE TO ASSESS OBJECTIVELY THE ABSORPTION OF WATER BY LIGHTWEIGHT AGGREGATES. EXISTING TECHNIQUES DO NOT LEND THEMSELVES READILY TO THIS. A SIMPLE, OBJECTIVE TEST IS DESCRIBED WHICH USES THE RELATIONSHIP BETWEEN LOOSE WET BULK DENSITY AND MOISTURE CONTENT OF THE TEST SAMPLE TO DETERMINE GRAPHICALLY THE MOISTURE CONTENT CORRESPONDING TO THE SURFACE-DRY STATE. IT IS POSSIBLE TO TEST AN AGGREGATE SAMPLE AFTER ANY (UNKNOWN) EXPOSURE HISTORY. EXAMPLES ARE GIVEN OF LYTAG, AGLITE AND LECA AGGREGATES, FOR SINGLE SIZES AND GRADED SAMPLES, DRY MIXED WET-AND-DRY AND SATURATED AND, DESPITE COMPLEX BEHAVIOR EXHIBITED BY AGGREGATES CONTAINING AN APPRECIABLE AMOUNT OF VERY FINE MATERIAL, THE TEST METHOD IS SEEN TO BE SUCCESSFUL. /A/RRL/]]></description>
      <pubDate>Mon, 14 Sep 1970 00:00:00 GMT</pubDate>
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