Großmaßstäbliche Impaktversuche mit Stahlbetonplatten – Konzeptionierung und Vorbereitung

Research output: Contribution to conferencesPaperContributedpeer-review

Contributors

  • Marcus Hering - , Federal Institute for Materials Research and Testing Berlin (Author)
  • Georg Fiedler - , Federal Institute for Materials Research and Testing Berlin (Author)
  • Thomas Schubert - , Chair of Concrete Structures (Author)
  • Falk Hille - , Federal Institute for Materials Research and Testing Berlin (Author)
  • Götz Hüsken - , Federal Institute for Materials Research and Testing Berlin (Author)
  • Birgit Beckmann - , Chair of Concrete Structures (Author)

Abstract

The structural integrity of outer reinforced concrete (RC) containments of nuclear power plants provides an essential shield against external hazards. If this containment is damaged by an impact event, such as an aircraft crash, the question arises to which degree the reinforced concrete containment still has its protective capability. This concerns both purely structural protection and protection against liquids penetrating the interior of the containment. Due to the dimensions of the containment structures, it is difficult to perform real scale impact experiments, so in the past decades plate geometries at medium scale have been used for investigations. Detailed investigations on the structural behaviour of RC members or RC plates subjected to impact loading have already been presented in Just et al. [1], Hering [2], Hering et al. [3-5], Bracklow et al. [6; 7], Hille et al. [8] and Nerger et al. [9]. The following investigations deal with the single and multiple impact event (first hard impact and/or subsequent soft impact) on a RC specimen, which provides the basis for further investigations. A description of the test setup and the test procedure as well as a presentation of the test results from the impact tests are provided. Furthermore, the experimental program is presented, which the damaged RC specimens are to undergo to deal with the question of how much the impact-damaged RC structure has become permeable to liquid media, such as water and kerosene, depending on the intensity of the impact. The aim of these following investigations is to develop a test setup that can be applied to investigate the liquid penetration behaviour (LPB) of small, medium, and large-scale RC members. In addition to the liquid penetration experiments, the damaged specimens are to be examined by planar tomography to obtain the damage inside the specimen. The combination of damaging event, fluid penetration behaviour and tomography should enable a comprehensive understanding of the damage to the RC specimen.

Details

Original languageGerman
Pages278-285
Number of pages8
Publication statusPublished - 16 Oct 2024
Peer-reviewedYes

Symposium

Title11. Jahrestagung des Deutschen Ausschusses für Stahlbeton (DAfStb) mit 63. Forschungskolloquium
SubtitleGreen Intelligent Building
Abbreviated title11. Jahrestagung des DAfStb mit 63. Forschungskolloquium
Duration16 - 17 October 2024
Website
Degree of recognitionNational event
LocationBAM Bundesanstalt für Materialforschung und -prüfung
CityBerlin
CountryGermany

External IDs

ORCID /0000-0001-6666-5388/work/185312922
ORCID /0000-0003-2440-5670/work/185316559
ORCID /0000-0001-6916-0086/work/185316733

Keywords

Keywords

  • Anpralllasten, Impaktbeanspruchung, Anprall an Stahlbeton, Fallturm