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Assessment of disproportionate collapse for multi-storey cross-laminated timber buildings

Mpidid Bita, H; Currie, NGR; Tannert, T

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Authors

H Mpidid Bita

Prof Neil Currie N.G.R.Currie@salford.ac.uk
Professor Structural EngineeringPractice

T Tannert



Abstract

This paper investigates the risk of disproportionate collapse following extreme loading events. The methodology mimics a sudden removal of a loadbearing wall of a twelve - storey CLT building. The ductility-demand from the dynamic simulation is checked against the ductility supplied by the structural components and their connections. The analyses focus on rotational stiffness (k) of the joints by considering three different sub-structural idealisations according to the required modelling details and the feasibility of model reductions. To resist the imposed dynamic forces, the required k-values may be too large to be practically achieved by means of off-the-shelf brackets and screw connections. Improved structural detailing as well as adequate thickness of structural elements need to be considered in order to reduce the probability of disproportionate collapse.

Citation

Mpidid Bita, H., Currie, N., & Tannert, T. (2016, August). Assessment of disproportionate collapse for multi-storey cross-laminated timber buildings. Presented at World Conference on TImber Engineering, Vienna, Austria

Presentation Conference Type Other
Conference Name World Conference on TImber Engineering
Conference Location Vienna, Austria
Start Date Aug 22, 2016
End Date Aug 25, 2016
Publication Date Aug 25, 2016
Deposit Date Sep 18, 2017
Publicly Available Date Sep 18, 2017
Publisher URL http://shop.tuverlag.at/de/the-world-conference-on-timber-engineering
Related Public URLs http://wcte2016.conf.tuwien.ac.at/home/
Additional Information Event Type : Conference

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