Innovative composite slab system with integrated installation floor

Andrea Frangi, Mario Fontana, Martin Mensinger

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


The paper presents a novel type of composite floor system using cellular beams. A major benefit of the system is the integrated installation floor, providing additional value to the floor. The system is based on half cellular beams made of existing hot-rolled sections. The openings in the cellular beams allow placing installations in all directions, thus providing excellent flexibility to the user when maintaining or changing installations. The paper first presents the general design and details of the construction of the novel floor system. The results of tests on the dynamic behaviour and the load-carrying capacity are then presented and compared with common calculation models for composite slabs. Finally, the paper presents an example of a first building where this type of floor system will be used.

Original languageEnglish
Pages (from-to)404-409
Number of pages6
JournalStructural Engineering International: Journal of the International Association for Bridge and Structural Engineering (IABSE)
Issue number4
StatePublished - Nov 2009


  • Bending tests
  • Cellular steel beams
  • Composite slab
  • Integrated installation floor
  • Vibration tests


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