- Note
- Published:
Testing and modeling of the behavior of wooden stairs and stair joints
Journal of Wood Science volumeĀ 52,Ā pages 358ā362 (2006)
Abstract
Joints in traditional wooden stairs can be constructed in many different ways. Connections between tread and string are commonly made with tenons and screw joints. It is often hard to know which joint rigidity should be used in calculations. To study this type of stair, a total of 12 small straight stairs with three steps each were tested. The stairs were loaded and the deformation was measured. Modeling of the stairs with a finite element program was also performed, using linear elastic models in the analysis. The conclusion derived from the study is that the tested tread-to-string connections are not very rigid. Tolerances and accuracy of manufacture of the stair parts are important for the behavior of the joints. Comprehensive knowledge about stair joints can be used for development of new cost-effective and reliable design tools for stairs. In a computer program for stair design based on beam elements, the treads in this type of staircase should, according to this study, preferably be calculated as being hinged to the string, or else the rigidity of the joint should be a function of joint parameters.
References
Kress F (1988) Der Treppen-und GelƤnderbauer. Th. SchƤfer, Hannover, pp 35ā64
Cost C1 (1998) Numerical simulation for behaviour analysis. In: Proceedings of the international conference on control of the semi-rigid behaviour of civil engineering structural connections, LiĆØge, 17ā19 September, pp 467ā536
Boutelje JB, Rydell R (1995) TrƤfakta, 44 trƤslag i ord och bild. TrƤtek, Stockholm, pp 19ā23, 70ā71
Anon. (1999) I-DEAS Master series 6, student guide. Structural Dynamics Research Corporation, Milford, OH, pp 1-476
Anon. (1997) ENV 1995-2:1997, Eurocode 5 ā design of timber structures ā part 2: bridges. CEN European Committee for Standardization, Brussels, pp 1-45
Bodig J, Jayne BA (1982) Mechanics of wood and wood composites. Van Nostrand Reinhold, New York, pp 87ā126
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Pousette, A. Testing and modeling of the behavior of wooden stairs and stair joints. J Wood Sci 52, 358ā362 (2006). https://doi.org/10.1007/s10086-005-0778-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10086-005-0778-8
Key words
- Joint
- Wooden stair
- FE modeling
- Tenon