Timber-Concrete-Composite Beams with Discrete Perforated Steel Plate Shear Connectors
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Timber-Concrete-Composite Beams with Discrete Perforated Steel Plate Shear ConnectorsAutor(es)
Data
2023-06Cita bibliográfica
Otero-Chan, D., Estévez-Cimadevil, J., Martín-Gutiérre, E., Suárez-Riestra, F., & Vázquez-Rodríguez, J. A. (2023). TIMBER-CONCRETE-COMPOSITE BEAMS WITH DISCRETE PERFORATED STEEL PLATE SHEAR CONNECTORS. 13th World Conference on Timber Engineering, WCTE 2023, 5, 3296-3302. https://doi.org/10.52202/069179-0429
Resumo
[Abstract] This paper describes an experimental research on timber-concrete-composite (TCC) beams made with
discrete perforated steel plates shear connectors. The research included shear tests on different connectors made with
perforated steel plates glued with epoxy in timber ribs and short and long-term test on beams with 8.88 meters of span.
An unbonded tendon along with a self-tensioned system was used to limit the deflections of the beams on some of the
short-term tests. A locked tendon was also used in long-term tests.
The different proposals of shear connectors made with discrete perforated glued steel plates showed a great strength and
stiffness, with almost negligible slip between timber and concrete in service. This shear connectors, were used to design
8.88-meter span beams that showed a behaviour close to the full composite action in short-term tests, indicating a great
potential to design medium and long-span beams and floors.
Some of the beams have been subjected to long-term loads for more than two years in an interior and uncontrolled
environment. After that, the stiffness of the beams was evaluated under different test configurations and they were finally
Palabras chave
long-span floors
timber-concrete composite
discrete shear connector
glued steel plates
timber-concrete composite
discrete shear connector
glued steel plates