Document Type
Article
Publication Date
7-2002
Publication Title
Wood and Fiber Science
Volume
34
Issue
3
First page number:
425
Last page number:
433
Abstract
Forty small clear southern pine specimens were loaded under third-point bending to examine creep and creep-recovery behavior for wood under high stress levels. Stress levels of between 69% and 91% of the predicted static strength were applied for 23 h with 1 h allowed for recovery, and the resulting deflection vs. time behavior was studied. The experimental creep and creep-recovery behavior was modeled using modified power law functions. The results indicate that these functions provide the best fit to both primary and secondary experimental data. The empirical models can be used to simulate the viscoelastic behavior of wood under high stress levels. The simulation will provide a useful tool in future studies to examine duration-of-load (DOL) effect, which is one of the more important factors in wood structural design.
Keywords
Clear specimen; Creep; Duration-of-load; High stress level; Materials—Creep; Model; Recovery; Southern pines; Wood
Disciplines
Civil and Environmental Engineering | Environmental Engineering | Environmental Health and Protection | Environmental Indicators and Impact Assessment | Environmental Monitoring | Environmental Sciences | Natural Resources and Conservation | Sustainability
Language
English
Permissions
Copyright Society of Wood & Science Technology. Used with permission.
Repository Citation
Cai, Z.,
Fridley, K. J.,
Hunt, M. O.,
Rosowsky, D. V.
(2002).
Creep and Creep-Recovery Models for Wood Under High Stress Levels.
Wood and Fiber Science, 34(3),
425-433.
https://digitalscholarship.unlv.edu/fac_articles/163
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