Deconstructable Timber-Concrete Composite Connectors

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Abstract

The application of deconstructable connectors in timber-concrete composite (TCC) floors enables the possibility of disassembly and reuse of timber materials at the end of building’s life. This paper introduces the initial concept of a deconstructable TCC connector comprised of a self-tapping screw embedded in a plug made of rigid polyvinyl chloride and a level adjuster made of silicone rubber. This connection system is versatile and can be applied for prefabrication and in-situ concrete casting of TCC floors in both wet-dry and dry-dry systems. The paper presents the results of preliminary tests on the shear performance of four different configurations of the connector system in T-section glulam-concrete composites. The shear performance is compared to that of a permanent connector made with the same type of self-tapping screw. The failure modes observed are also analyzed to provide technical information for further optimization of the connector in the future.
Original languageEnglish
Title of host publicationProceedings of the 2020 Society of Wood Science and Technology International Convention, "Renewable Resources for a Sustainable and Healthy Future"
PublisherSociety of Wood Science & Technology
Pages98-105
Number of pages8
ISBN (Electronic)978-1-7340485-0-6
Publication statusPublished - Jul 2020
MoE publication typeB3 Non-refereed article in conference proceedings
EventSociety of Wood Science and Technology International Convention - Portoroz, Slovenia
Duration: 12 Jul 202015 Jul 2020
Conference number: 63

Conference

ConferenceSociety of Wood Science and Technology International Convention
Abbreviated titleSWST
CountrySlovenia
CityPortoroz
Period12/07/202015/07/2020

Keywords

  • deconstructable connector
  • timber-concrete composite
  • push-out test
  • shear strength
  • slip modulus
  • failure mode

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