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Steel and Composite Structures Volume 43, Number 4, May25 2022 (Special Issue) pages 419-429 DOI: https://doi.org/10.12989/scs.2022.43.4.419 |
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Mechanical properties of demountable shear connectors under different confined conditions for reusable hybrid decks |
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Florentia Kavoura, Angeliki Christoforidou, Marko Pavlovic and Milan Veljkovic
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| Abstract | ||
| In response to the sustainability requirements set in the EU Commission's "Green Deal" towards reduction of the greenhouse gas emissions, it is estimated that the structural design for deconstruction is going to contribute considerably to the sustainable development of the built environment. The demountability of multi-material structural systems basically depends on the shear connectors used in the structural system. This paper focuses on a type of demountable injected shear connector with an injected steel-reinforced resin (iSRR) which consists of spherical steel particles embedded in a resin. Its application to steel-toconcrete and steel-to-Fiber Reinforced Polymer (FRP) decks is presented along with its benefits. In parallel, an overview of the experimental and numerical research on the evaluation of the mechanical properties of the demountable bolted connectors with iSRR is discussed. Last, detailed finite element (FE) models and a parametric study are performed to quantify the confinement level of the SRR material influenced by the oversized hole diameter. | ||
| Key Words | ||
| demountable and reusable structures; demountable shear connectors; Fiber Reinforced Polymer (FRP) panels; injected steel-reinforced resin (iSRR) connections; multi-material floor system, confinement; sustainable structural design | ||
| Address | ||
| Florentia Kavoura, Angeliki Christoforidou, Marko Pavlovic and Milan Veljkovic: Faculty Of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN Delft, Netherland | ||