A VIBRATION-BASED METHOD FOR DETERMINING ST VENANT TORSIONAL AND WARPING STIFFNESSES OF MEMBERS WITH OPEN CROSS-SECTIONS

Authors
LI DB CHUI YH SMITH I
Citation
Db. Li et al., A VIBRATION-BASED METHOD FOR DETERMINING ST VENANT TORSIONAL AND WARPING STIFFNESSES OF MEMBERS WITH OPEN CROSS-SECTIONS, Journal of testing and evaluation, 23(2), 1995, pp. 141-144
Citations number
6
Categorie Soggetti
Materials Science, Characterization & Testing
Journal title
Journal of testing and evaluation → ACNP
ISSN journal
00903973
Volume
23
Issue
2
Year of publication
1995
Pages
141 - 144
Database
ISI
SICI code
0090-3973(1995)23:2<141:AVMFDS>2.0.ZU;2-3
Abstract
A dynamic mechanical property identification method is presented based on a study of composite wood members with an open I-shape cross-secti on. Besides the bending stiffness which is identified by a bending vib ration test, St. Venant torsional stiffness GK(s) and warping stiffnes s EK(w) are identified by a separate torsional modal analysis. Three k inds of typical I-shape beams have been tested and their properties id entified. The approach is based on Euler beam theory and an earlier to rsional vibration model developed by the authors.