Experimental investigations and design provisions of steel-to-timber joints with annular-ringed shank nails for Cross-Laminated Timber structures: Fid-Bau Portal

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Experimental investigations and design provisions of steel-to-timber joints with annular-ringed shank nails for Cross-Laminated Timber structures

Izzi, Matteo / Flatscher, Georg / Fragiacomo, Massimo / Schickhofer, Gerhard

Highlights•An experimental programme is carried out on nailed steel-to-timber joints in CLT.•Average and characteristic values of the strength capacities are evaluated.•Results are compared with the models given in current design codes and literature.•The overstrength factor $γ_{Rd}$ and the strength degradation factor $β_{Sd}$ are calculated.•Conservative values of $γ_{Rd}$ and $β_{Sd}$ are provided.

AbstractThis paper investigates the mechanical and the hysteretic behaviour of steel-to-timber joints with annular-ringed shank nails in Cross-Laminated Timber (CLT). These fasteners are used to anchor typical metal connectors, such as hold-downs and angle brackets, to the CLT panels. The experimental programme presented in the paper was carried out at the Institute of Timber Engineering and Wood Technology, Graz University of Technology (Graz, Austria). Average and characteristic values of the experimental strength capacities are evaluated and compared to the analytical predictions determined according to current structural design codes and literature. Furthermore, to fulfil the requirements of the capacity-based design, the overstrength factor and the strength degradation factor are evaluated and conservative values are recommended.

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Experimental investigations and design provisions of steel-to-timber joints with annular-ringed shank nails for Cross-Laminated Timber structures

Izzi, Matteo / Flatscher, Georg / Fragiacomo, Massimo / Schickhofer, Gerhard

Highlights•An experimental programme is carried out on nailed steel-to-timber joints in CLT.•Average and characteristic values of the strength capacities are evaluated.•Results are compared with the models given in current design codes and literature.•The overstrength factor $γ_{Rd}$ and the strength degradation factor $β_{Sd}$ are calculated.•Conservative values of $γ_{Rd}$ and $β_{Sd}$ are provided.

AbstractThis paper investigates the mechanical and the hysteretic behaviour of steel-to-timber joints with annular-ringed shank nails in Cross-Laminated Timber (CLT). These fasteners are used to anchor typical metal connectors, such as hold-downs and angle brackets, to the CLT panels. The experimental programme presented in the paper was carried out at the Institute of Timber Engineering and Wood Technology, Graz University of Technology (Graz, Austria). Average and characteristic values of the experimental strength capacities are evaluated and compared to the analytical predictions determined according to current structural design codes and literature. Furthermore, to fulfil the requirements of the capacity-based design, the overstrength factor and the strength degradation factor are evaluated and conservative values are recommended.

Experimental investigations and design provisions of steel-to-timber joints with annular-ringed shank nails for Cross-Laminated Timber structures

Izzi, Matteo / Flatscher, Georg / Fragiacomo, Massimo / Schickhofer, Gerhard

Highlights•An experimental programme is carried out on nailed steel-to-timber joints in CLT.•Average and characteristic values of the strength capacities are evaluated.•Results are compared with the models given in current design codes and literature.•The overstrength factor $γ_{Rd}$ and the strength degradation factor $β_{Sd}$ are calculated.•Conservative values of $γ_{Rd}$ and $β_{Sd}$ are provided.

AbstractThis paper investigates the mechanical and the hysteretic behaviour of steel-to-timber joints with annular-ringed shank nails in Cross-Laminated Timber (CLT). These fasteners are used to anchor typical metal connectors, such as hold-downs and angle brackets, to the CLT panels. The experimental programme presented in the paper was carried out at the Institute of Timber Engineering and Wood Technology, Graz University of Technology (Graz, Austria). Average and characteristic values of the experimental strength capacities are evaluated and compared to the analytical predictions determined according to current structural design codes and literature. Furthermore, to fulfil the requirements of the capacity-based design, the overstrength factor and the strength degradation factor are evaluated and conservative values are recommended.

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Title:

Experimental investigations and design provisions of steel-to-timber joints with annular-ringed shank nails for Cross-Laminated Timber structures

Contributors:

Izzi, Matteo (author) / Flatscher, Georg (author) / Fragiacomo, Massimo (author) / Schickhofer, Gerhard (author)

Published in:

Construction and Building Materials ; 122 ; 446-457

Publication date:

2016-06-14

Size:

12 pages

ISSN:

DOI:

https://doi.org/10.1016/j.conbuildmat.2016.06.072

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Annular-ringed shank nail , Steel-to-timber joint , Cross-Laminated Timber , Hysteretic behaviour , Calculation model , Capacity-based design , Overstrength factor , Strength degradation factor

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