Creep Properties of Walikukun (Schouthenia ovata) Timber Beams
Keywords:Creep, four solid element creep model, Walikukun timber, rheological model, phenomenological model
AbstractThis study presents an evaluation of creep constants of Walikukun (Schouthenia
ovata) timber beams when rheological model of four solid elements, which is obtained by
assembling Kelvin and Maxwell bodies in parallel configuration, was adopted. Creep behavior
obtained by this method was further discussed and compared with creep behavior developed
using phenomenological model of the previous study. Creep data of previous study was deformation
measurement of Walikukun beams having cross-section of 15 mm by 20 mm with a clear
span of 550 mm loaded for three weeks period under two different room conditions: with and
without Air Conditioner. Creep behavior given by both four solid elements model and phenomenological
(in this case are power functions) had good agreement during the period of creep
measurement, but they give different prediction of creep factor beyond this period. The power
function of phenomenological model could give a reasonable creep prediction, while for the four
solid elements model a necessary modification is required to adjust its long-term creep behavior.
Lumantarna, B., Steven, and Budiono, D., Pengaruh Rangkak (creep) pada Bangunan Tinggi, Dimensi Teknik Sipil (in Indonesian), 5(1), 2003, pp. 29–38. [CrossRef]
ASTM D6815, Standard Specification for Evaluation of Duration of Load and Creep Effect of Wood and Wood-Based Product, Annual Book of ASTM Standard, West Conshojocken, PA, 2002. [CrossRef]
Bodig, J. and Jayne, B.A., Mechanical of Wood and Wood Composites, Kriger Publishing Company, Malabar Florida, 1982. [CrossRef]
Holzer, S.M., Loferski, J.R., and Dillard, D.A., A Review of Creep in Wood: Concepts Relevant to Develop Long-Term Behavior Predictions for Wood Structures, Wood and Fiber Science, 21(4), 1989, pp. 376-392. [CrossRef]
Findley, M.N., Lai, J.S., and Onaran, K., Creep and Relaxation of Nonlinear Viscoelastic Material with Introduction to Linear Viscoelastic, Dover Publication Inc., New York, 1989. [CrossRef]
Ma, X., Wang, G., Jiang, Z., Xian, Y., and Li, H., Comparison of Bending Creep Behavior of Bamboo-Based Composites Manufactured by Two Types of Stacking Sequences, Bio Resources, 9(3), 2014, pp. 5461-5472. [CrossRef]
Shen, Y. and Gupta, R., Evaluation of Creep Behavior of Structural Lumber in a Natural Environment, Forest Product Journal, 47(1), 1997, pp. 89-96. [CrossRef]
Amino, Y., Bamboo-Precocious Wood Composite Beams: Bending Capacity for Long-Term Loading, Journal Bamboo and Rattan, 4(1), 2005, pp. 55-70. [CrossRef]
Fidley, K.J., Tang, R.C., and Soltis, L.A., Creep Behavior Model for Structural Lumber, Journal of Structural Engineering, ASCE, 118(8), 1992, pp. 2261–2277. [CrossRef]
Ma, Y., Li, X., Deng, B., and Luo, Y., Basic Study on Creep Properties of Eucalyptus Wood, Advanced Material Research, 911, 2014, pp. 232-237. [CrossRef]
Erlitasari, R., The Creep Behaviour of Walikukun Wood (Schouthenia ovata Korth), Under-Graduate Thesis, Department of Civil and Environmental Engineering, Gadjah Mada University, Yogyakarta, 2015. [CrossRef]
Barati, R., Application of Excel Solver for Parameter Estimation of the Nonlinear Muskingum Models, KSCE Journal of Civil Engineering, 17(5), 2013, pp. 1139-1148. [CrossRef]
How to Cite
LicenseAuthors who publish with this journal agree to the following terms:
- Authors retain the copyright and publishing right, and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) followingthe publication of the article, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).