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Influence of the Loading Protocol and Loading Rate on the Characteristics of Timber Nail Joints

Shervin Shameli Derakhshan1, Lina Zhou1,*, Chun Ni2
1 Department of Civil Engineering, University of Victoria, Victoria, V8P 5C2, Canada
2 Advanced Building Systems, FPInnovations, Vancouver, V6T 1W5, Canada
* Corresponding Author: Lina Zhou. Email:
(This article belongs to this Special Issue: Research and Innovations in Engineered Timber and Mass Timber Products for Sustainable Built-Environment)

Journal of Renewable Materials 2022, 10(10), 2655-2667.

Received 06 December 2021; Accepted 22 February 2022; Issue published 08 June 2022


Nail joints are one of the key components that control the lateral performance of light wood frame shear walls. In previous experimental studies, researchers have used different loading rates, which failed specimens from less than a minute to more than an hour, to study the characteristics of nail joints. Moreover, there have been different loading protocols used for testing of timber nail joints or shear walls. Although some efforts have been made to address this subject, it is still unclear how the loading protocol and loading rate may influence the performance of nail joints. In this study, a total of 96 nail joints tests were carried out under monotonic and reversed-cyclic loads at three different loading rates, and under three different loading protocols (ISO, CUREE and SPD). The results of the test revealed that the loading rate did not have a noticeable effect on the mechanical properties of nail joints, while the loading protocol did influence those properties. Especially, protocols with larger cumulative damage demands lead to lower ultimate displacement and ductility of nail joints.


Loading protocol; loading rate; timber nail joint; reversed-cyclic load; monotonic load

Cite This Article

Derakhshan, S. S., Zhou, L., Ni, C. (2022). Influence of the Loading Protocol and Loading Rate on the Characteristics of Timber Nail Joints. Journal of Renewable Materials, 10(10), 2655–2667.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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