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Structural Fire Integrity Testing of Lightweight Multiple Core Sandwich Structures
RISE - Research Institutes of Sweden, Safety and Transport, Safety.
RISE - Research Institutes of Sweden, Safety and Transport, Safety. (Fire Research)
RISE - Research Institutes of Sweden, Built Environment.
Chalmers, Gothenburg, Sweden.
2017 (English)In: Proceedings of the 6th International Conference on Marine Structures - MARSTRUCT. Progress in the Analysis and Design of Marine Structures, 2017Conference paper (Refereed)
Abstract [en]

Lightweight structures become increasingly important to reduce environmental impact and to improve payload/deadweight ratio of ships. Significant weight savings can be accomplished by replacing steel with fiber reinforced polymer (FRP) sandwich panels. An assessment is then necessary to ensure that equivalent fire safety is provided, since the structures are combustible. To support such assessments, this paper presents results from vertically loaded fire resistance tests of two structures: (1) a “conventional” FRP sandwich bulkhead with thermal insulation (providing load carrying fire resistance for 60 minutes) and (2) a multiple core FRP sandwich bulkhead without insulation. Both bulkheads were constructed for and tested with the same design load. The multiple core sandwich bulkhead demonstrated structural fire integrity performance well beyond 60 minutes whilst having a significantly lower structural weight and thickness. The new type of multiple core sandwich structure thus provides great potential, both from a weight-savings and a fire safety perspective.

Place, publisher, year, edition, pages
2017.
National Category
Other Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-29411ISBN: 9781138069077 (print)OAI: oai:DiVA.org:ri-29411DiVA: diva2:1091867
Conference
6th International Conference on Marine Structures - MARSTRUCT. May 8-10, 2017, Lisbon, Portugal
Available from: 2017-04-28 Created: 2017-04-28 Last updated: 2017-04-28Bibliographically approved

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