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  <doc>
    <id>27527</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>Session B 1, 1</pageFirst>
    <pageLast>14</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Quality control of hydrophobic coatings with an integrated marker element by laser-induced breakdown spectroscopy (LIBS)</title>
    <abstract language="eng">Reinforced concrete structures are affected by damage caused e. g. by freeze-thaw effects or corrosion. Most damage processes are triggered by moisture transport including soluble substances. Hydrophobie coatings can be used for prevention of such damage, but quantitative on-site quality assurance methods are so far missing. A way to overcome this problem is to integrate marker substances into the coating, which can be detected by spectroscopic methods. Different types of marker elements have been tested. It can be shown that transition metals are best suited for the task. Currently a LIBS (laser-induced breakdown spectroscopy) System is developed for the measurement of penetration depth and content of the hydrophobic coating via the marker element in the peripheral zone of concrete.</abstract>
    <parentTitle language="eng">ICDC 2012 - 1st International congress on durability of concrete (Proceedings)</parentTitle>
    <identifier type="old">30347</identifier>
    <identifier type="isbn">978-82-8208-031-6</identifier>
    <enrichment key="eventName">ICDC 2012 - International congress on durability of concrete</enrichment>
    <enrichment key="eventPlace">Trondheim, Norway</enrichment>
    <enrichment key="eventStart">18.06.2012</enrichment>
    <enrichment key="eventEnd">21.06.2012</enrichment>
    <author>Gerd Wilsch</author>
    <author>Sebastian Goldschmidt</author>
    <author>Ernst Niederleithinger</author>
    <author>K. Bienert</author>
    <author>H. Schalk</author>
    <author>A. Molkenthin</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrophobic coating</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Marker element</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Quality control</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Depth of penetration</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Concrete repair</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Pitting corrosion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Chloride</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Exposure</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Freeze-taw cycles</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Laser-induced breakdown spectroscopy</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrophobierung</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Laser Induced Breakdown Spektroskopie</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Qualitätskontrolle</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>25151</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>805</pageFirst>
    <pageLast>811</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Taylor &amp; Francis</publisherName>
    <publisherPlace>London</publisherPlace>
    <creatingCorporation>Technische Universität Dresden</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Quality control of hydrophobic coatings with an integrated marker element by laser-induced breakdown spectroscopy (LIBS)</title>
    <abstract language="eng">Reinforced concrete structures are affected by damage, caused e.g., by freeze-thaw effects or corrosion. Most damage processes are triggered by moisture transport including soluble substances. Hydrophobic coatings can be used for prevention of such damage, but quantitative on-site quality assurance methods are so far missing. A way to overcome this problem is to integrate marker substances into the coating, which can be detected by spectroscopic methods. Different types of marker elements have been tested. It can be shown that transition metals are best suited for the task. Currently a LIBS (Laser Induces Breakdown Spectroscopy) system is developed for the measurement of penetration depth and content of the hydrophobic coating via the marker element in the peripheral zone of concrete.</abstract>
    <parentTitle language="eng">Concrete solutions 2011 - 4th International conference on concrete repair (Proceedings)</parentTitle>
    <identifier type="old">27852</identifier>
    <identifier type="isbn">978-0-415-61-622-5</identifier>
    <enrichment key="eventName">Concrete solutions 2011 - 4th International conference on concrete repair</enrichment>
    <enrichment key="eventPlace">Dresden, Germany</enrichment>
    <enrichment key="eventStart">26.09.2011</enrichment>
    <enrichment key="eventEnd">28.09.2011</enrichment>
    <enrichment key="date_peer_review">22.12.2011</enrichment>
    <author>K. Bienert</author>
    <author>H. Schalk</author>
    <author>A. Molkenthin</author>
    <author>Gerd Wilsch</author>
    <author>Sebastian Goldschmidt</author>
    <author>Ernst Niederleithinger</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Laser induced breakdown spectroscopy (LIBS)</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrophobic coating</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Quality control</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Depth of penetration</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Concrete repair</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Chloride</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
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  </doc>
</export-example>
