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    <id>62431</id>
    <completedYear/>
    <publishedYear>2024</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>246</pageFirst>
    <pageLast>256</pageLast>
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    <edition/>
    <issue/>
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    <type>conferenceobject</type>
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    <title language="eng">Innovative lightweight floors made of prestressed CFRP-reinforced concrete – from research to construction practice</title>
    <abstract language="eng">The presented joint research project “CaPreFloor”, which started in&#13;
2023, aims to employ prestressed textile-reinforced concrete using carbonfibre-reinforced polymer (CFRP) to design lightweight floor elements. This allows the reduction of common steel-reinforced concrete floors of 30 cm thickness to a maximum of 6 cm for office, residential, and hotel buildings.&#13;
Lower material consumption significantly contributes to the conservation of resources and minimises the carbon footprint. In addition, the prefabrication of these floor elements results in high and consistent quality, short construction times and enhanced reusability of the components.&#13;
A team of experts from various research and practice fields works on this project to achieve the set goal. Currently, open questions include the anchorage and load transfer of the prestressed CFRP reinforcement, structural failure indication, the behaviour of CFRP reinforcement and high-performance concrete at elevated temperatures, as well as fire resistance and sound insulation. As a result, an extensive test programme on different size scales will be conducted. Practical aspects, such as design, field of application and life cycle, as well as the development of an automated production plant, are also considered.&#13;
The paper will present considerations related to the geometry and design, material selection, manufacturing, ecological footprint, and intended experimental test programme. Four different geometries and two different CFRP reinforcements are being examined. As a result, the developed floor must fulfil all practical requirements in building construction.</abstract>
    <parentTitle language="eng">Supplementary Proceedings_Befib</parentTitle>
    <enrichment key="eventName">XI International Symposium on Fiber Reinforced Concrete (Befib 2024)</enrichment>
    <enrichment key="eventPlace">Dresden, Germany</enrichment>
    <enrichment key="eventStart">15.09.2024</enrichment>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="eventEnd">18.09.2024</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <author>M. Dombrowski</author>
    <author>A. Hückler</author>
    <author>Ludwig Stelzner</author>
    <author>Dustin Häßler</author>
    <author>L. Heidemann</author>
    <author>S. Reinhold</author>
    <author>B. Zeitler</author>
    <author>J. Früke</author>
    <author>T. Lenz</author>
    <author>H. Theuerkauf</author>
    <author>S. Söll</author>
    <author>B. Reyher</author>
    <author>M. Schlaich</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Lightweight floor system</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Prestressed CFRP concrete</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Fire resistance</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Sound insulation</value>
    </subject>
    <collection role="institutes" number="">7 Bauwerkssicherheit</collection>
    <collection role="institutes" number="">7.3 Brandingenieurwesen</collection>
    <collection role="themenfelder" number="">Infrastruktur</collection>
    <collection role="themenfelder" number="">Fire Science</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
  </doc>
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