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Materials 2016, 9(3), 139; doi:10.3390/ma9030139

A Dissipative Connector for CLT Buildings: Concept, Design and Testing

Department of Civil, Environmental and Architectural Engineering, University of Padova, Via Marzolo 9, Padova 35131, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Geminiano Mancusi
Received: 12 November 2015 / Revised: 18 February 2016 / Accepted: 23 February 2016 / Published: 26 February 2016
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Abstract

This paper deals with the conception and characterization of an innovative connection for cross-laminated timber (CLT) panels. The connection is designed to provide an adequate level of dissipative capacity to CLT structures also when realized with large horizontal panels and therefore prone to fragile shear sliding failure. The connector, named X-bracket, has been theorized and designed by means of numerical parametric analyses. Furthermore, its cyclic behavior has been verified with experimental tests and compared to that of traditional connectors. Numerical simulations of cyclic tests of different CLT walls anchored to the foundation with X-brackets were also performed to assess their improved seismic performances. Finally, the analysis of the response of a 6 m × 3 m squat wall demonstrates that the developed connection provides good ductility and dissipation capacities also to shear walls realized with a single CLT panel. View Full-Text
Keywords: CLT; X-Lam; dissipative connections; behavior factor; dissipative capacity; seismic response CLT; X-Lam; dissipative connections; behavior factor; dissipative capacity; seismic response
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Scotta, R.; Marchi, L.; Trutalli, D.; Pozza, L. A Dissipative Connector for CLT Buildings: Concept, Design and Testing. Materials 2016, 9, 139.

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