73 lines
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HTML
73 lines
3 KiB
HTML
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<h1 class="logo"><a href="https://www.akdillon.net">AKDillon</a></h1>
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<li><a href="https://www.akdillon.net/misc/">Misc</a></li>
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<li><a href="https://www.akdillon.net/about/">About</a></li>
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<h1>MRD Civil Engineering Thesis Info</h1>
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<h3 id="abstract">Abstract</h3>
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<blockquote>
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<p>Frost heave is typically associated with the formation of segregation ice in
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fine-grained soil. Coarse-grained soil is generally considered to be non-frost
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susceptible. Field observations and laboratory experiments show that
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coarse-grained soil can be extremely ice-rich in specific conditions. Previous
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studies have shown that oscillation of the frozen-unfrozen boundary can lead to
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the formation of ice by a mechanism different from the segregation ice
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mechanism. Conditions related to the formation of ice in coarse-grained soil
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were investigated using modern laboratory techniques. Fourteen tests were
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conducted on five soil types. The thickness of soil subjected to freeze-thaw
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cycles was varied and controlled by the magnitude and duration of applied soil
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temperatures. The thickness of the ice formed increased when the sample
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drainage was limited or prevented during cooling. Under specific conditions,
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the formation of a discrete ice layer was observed in coarse-grained soils.
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Seven samples were scanned with the μCT scanner at the completion of the
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warming and cooling tests. The sub-samples scanned were analyzed in 2D
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cross-sections, and characterized as 3D reconstructions. Frost heave induced
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by the formation of ice was observed in both fine- and coarse-grained soils,
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including soils that were found to be traditionally non-frost susceptible.</p>
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</blockquote>
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<h3 id="downloadhttpstoragegoogleapiscomthermokarst-miscce_thesismrdilloncethesismanuscriptpdf"><a href="http://storage.googleapis.com/thermokarst-misc/ce_thesis/MRDillonCEThesisManuscript.pdf">Download</a></h3>
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<p>PDF format manuscript, 166 pages. Science Commons, 2012.</p>
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<h3 id="appendix-material-relref--moviesmd-">[Appendix Material]({{ relref . “movies.md” }})</h3>
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<p>Copyright © 2021 Danielle & Matthew Dillon</p>
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