Leonardo G. Rodrigues
Analytical and Numerical Models for Wind and Seismic Design and Assessment of Mass Timber Diaphragms
Rodrigues, Leonardo G.; Barbosa, Andre R.; Sinha, Arijit; Higgins, Christopher; Breneman, Scott; Zimmerman, Reid B.; Pei, Shiling; Van De Lindt, John W.; Berman, Jeffrey W.; Branco, Jorge M.; Neves, Luís C.
Authors
Andre R. Barbosa
Arijit Sinha
Christopher Higgins
Scott Breneman
Reid B. Zimmerman
Shiling Pei
John W. Van De Lindt
Jeffrey W. Berman
Jorge M. Branco
Dr Luis Neves Luis.Neves@nottingham.ac.uk
DIRECTOR OF PRODUCT AND LEARNER EXPERIENCE
Abstract
While the use of cross-laminated timber (CLT) panels for building construction has increased over the last several decades, current standards and existing literature provide limited information regarding the design of CLT diaphragms or the prediction of their deflections when subjected to wind and strong earthquake motions. This paper presents the design and assessment of a CLT diaphragm that was part of a full-scale two-story structure subjected to shake-table testing. An analytical model is proposed for diaphragm deflection accounting for in-plane shear and bending stiffness, as well as the stiffness of various connections. Moreover, a refined numerical modeling strategy is proposed in order to consider phenomena such as panel-to-panel gap closure. Results indicate that the analytical model yields conservative results both in terms of deflections and forces when compared to the numerical model that simulates similar sources of strength and stiffness. The analytical model is suitable for the design of symmetric diaphragms with regular shapes, whereas the numerical model can also be used to model asymmetric diaphragms with irregular shapes.
Citation
Rodrigues, L. G., Barbosa, A. R., Sinha, A., Higgins, C., Breneman, S., Zimmerman, R. B., Pei, S., Van De Lindt, J. W., Berman, J. W., Branco, J. M., & Neves, L. C. (2023). Analytical and Numerical Models for Wind and Seismic Design and Assessment of Mass Timber Diaphragms. Journal of Structural Engineering, 150(2), https://doi.org/10.1061/JSENDH.STENG-12265
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 15, 2023 |
Online Publication Date | Dec 7, 2023 |
Publication Date | Dec 7, 2023 |
Deposit Date | Dec 9, 2023 |
Publicly Available Date | Jan 12, 2024 |
Journal | Journal of Structural Engineering |
Print ISSN | 0733-9445 |
Electronic ISSN | 1943-541X |
Publisher | American Society of Civil Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 150 |
Issue | 2 |
DOI | https://doi.org/10.1061/JSENDH.STENG-12265 |
Keywords | Mechanical Engineering, Mechanics of Materials, General Materials Science, Building and Construction, Civil and Structural Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/28152775 |
Publisher URL | https://ascelibrary.org/doi/10.1061/JSENDH.STENG-12265 |
Additional Information | Received: 2022-11-18; Accepted: 2023-08-15; Published: 2023-12-07 |
Files
STENG-12265 R2
(9.3 Mb)
PDF
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