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    <id>64617</id>
    <completedYear/>
    <publishedYear>2025</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>11</pageLast>
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    <title language="eng">Assessment of the Application of Scaling Concepts for Blast Effects Analysis</title>
    <abstract language="eng">Blast testing finds its implementation in several applications, e.g. for the purpose of investigation into accidental or intentional explosions, or for an assessment of the level of protection provided by a certain structural configuration. Analytical and/or semi-empirical methods are generally limited to preliminary assessments prior to blast testing. Applications of numerical simulations with hydrocodes coupled with finite element methods (FEM) can only reduce the amount of blast testing required, as these necessitate fulfillment of the fundamental prerequisites of model verification and that of model validation.&#13;
Field tests are implemented for contact detonations as well as near-field blast scenarios and shock tube tests for far-field blast scenarios. However, these can be extremely resource intensive. Reliable small-scale experiments are a promising alternative.&#13;
The concepts of dimensional analysis and similarity based on Buckingham’s Π-theorem (1914) have been applied in different fields. For applications to the phenomenon of shock wave propagation, Hopkinson-Cranz or cube-root scaling is a well-established concept. When it comes to scaling the structural response, research has predominantly focused on structures made of metallic materials. Scaled investigations with concrete or reinforced concrete (RC) structures remain limited. The lack of even the most basic guidelines (far from any ‘standardized scaling methods’ for blast tests) show that scaling as a method is not yet established in blast effects analysis.&#13;
In this preliminary study, we present a systematic approach and evaluation of scaling of blast effects analysis for RC slabs in order to develop guidelines for resource efficient testing methods. We study the blast scenario at two different scales. The focus of these investigations has been on evaluation of scaling of dynamics using pressure sensors, acceleration sensors and fiber optic sensing cables for distributed acoustic sensing (DAS). Further, the resulting plastic behavior upon blast is characterized by distributed strain sensing (DSS) along the same cables.</abstract>
    <parentTitle language="eng">27th International Symposium on Military Aspects of Blast and Shock (MABS27)</parentTitle>
    <enrichment key="eventName">27th International Symposium on Military Aspects of Blast and Shock (MABS27)</enrichment>
    <enrichment key="eventPlace">Colmar, France</enrichment>
    <enrichment key="eventStart">06.10.2025</enrichment>
    <enrichment key="eventEnd">10.10.2025</enrichment>
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    <author>Amit Agasty</author>
    <author>Rene Costard</author>
    <author>Marcus Hering</author>
    <author>Sebastian Chruscicki</author>
    <author>Konstantin Hicke</author>
    <author>Götz Hüsken</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Similarity and scaling</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Blast</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>RC-slabs</value>
    </subject>
    <collection role="ddc" number="624">Ingenieurbau</collection>
    <collection role="institutes" number="">2 Prozess- und Anlagensicherheit</collection>
    <collection role="institutes" number="">7 Bauwerkssicherheit</collection>
    <collection role="institutes" number="">7.2 Ingenieurbau</collection>
    <collection role="institutes" number="">7.4 Baustofftechnologie</collection>
    <collection role="institutes" number="">8 Zerstörungsfreie Prüfung</collection>
    <collection role="institutes" number="">8.6 Faseroptische Sensorik</collection>
    <collection role="themenfelder" number="">Infrastruktur</collection>
    <collection role="themenfelder" number="">Security</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
    <collection role="institutes" number="">2.5 Konformitätsbewertung Explosivstoffe/Pyrotechnik</collection>
    <collection role="institutes" number="">2.4 Prüfung und Bewertung von Explosivstoffen/Pyrotechnik</collection>
  </doc>
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