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    <title>effect of coffee husk ash on geotechnical properties of expansive soil</title>
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    <namePart>Gebissa Guta, Alemayehu</namePart>
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  <abstract type="Summary">Expansive soil is one of the widespread typical problematic soils that poses several challenges for civil engineers.Expansive soils are hard and strong when they dry out; swell and soften when the moisture content increases.Particularly roads built on expansive soil are susceptible to early damage due to the swelling and shrinkage characteristics of this soil under changing moisture conditions.This study consists of experimental studies on the treatment of expansive soil using Coffee husk ash (CHA).&lt;eng&gt;</abstract>
  <abstract type="Summary">Expansiver Boden ist einer der weit verbreiteten typischen problematischen Böden, der für Bauingenieure mehrere Herausforderungen darstellt. Expansive Böden sind hart und stark, wenn sie austrocknen; und erweichen, wenn der Feuchtigkeitsgehalt zunimmt. Vor allem Straßen, die auf expansivem Boden gebaut werden, sind auf Grund der Quellung und Schrumpfeigenschaften dieses Bodens unter wechselnden Feuchtigkeitsbedingungen anfällig für frühzeitige Schäden. Diese Untersuchung besteht aus experimentellen Studien zur Behandlung von expansiven Böden mit Kaffeeschalenasche (CHA).&lt;ger&gt;</abstract>
  <note type="statement of responsibility">vorgelegt von Meskerem Kebede Atahu</note>
  <note>GutachterInnen: Fokke Saathoff (Universität Rostock) ; Alemayehu Gebissa Guta (Universität Rostock) ; Emer T. Quezon (Ambo University) ; Abraham Woldemichael (Hawassa University)</note>
  <note type="thesis">Dissertation Universität Rostock 2020</note>
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      <title>The effect of coffee husk ash on geotechnical properties of expansive soil</title>
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