1 Ocak 2018 Dergi makalesi Açık Erişim

Ozhan, Hakki O.

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/29723</identifier>
  <creators>
    <creator>
      <creatorName>Ozhan, Hakki O.</creatorName>
      <givenName>Hakki O.</givenName>
      <familyName>Ozhan</familyName>
      <affiliation>Altinbas Univ, Dept Civil Engn, Mahmutbey Dilmenler Cad 26, TR-34218 Bagcilar Istanbul, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Effects Of Temperature Increase In 0.5 M Mgcl2 Solution On Hydraulic Capability Of Anionic Polymer-Treated Geosynthetic Clay Liners Used As Barriers</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2018</publicationYear>
  <dates>
    <date dateType="Issued">2018-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/29723</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1061/(ASCE)EE.1943-7870.0001451</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Geosynthetic clay liner (GCL) is a lining material that consists of a bentonite layer sandwiched between two geotextiles. To simulate the interaction between an aqueous solution and a barrier material, triaxial permeability and free swell tests are performed on a GCL that is permeated with 0.5 M MgCl2 solution. The temperature of the solution is 20, 40, and 60 degrees C, with 0.5, 1, and 2% anionic polymer by mass added to the GCL. Test results indicate that although temperature increase causes a slight increase in the swell index of the GCL, it results in a significant increase of up to 2 orders of magnitude in permittivity. The GCLs are also tested with deionized water. The increase in permittivity is attributed to a decrease in the viscosity of the permeation fluid. Adding 1% anionic polymer to the GCL results in almost 2 orders of magnitude decrease in permittivity. Anionic polymer-treated GCLs can be used effectively in aggressive MgCl2 solutions by both decreasing the permittivity and increasing the swell index of the GCLs.</description>
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