PROCEDURES FOR SEISMIC CHARACTERIZATION OF TRADITIONAL AND MODERN WOODEN BUILDING TYPES
Journal: International Journal for Quality Research (Vol.10, No. 1)Publication Date: 2016-03-30
Authors : Ario Ceccotti; Milena Massari; Luca Pozza;
Page : 47-70
Keywords : wooden structure; tmber shearwall; seismic behaviour; q-factor; ductility; bi-linearization criteria; numerical method;
Abstract
The paper analyzes different wooden buildings types used in past and nowadays to realized low-rise and mid-rise timber structures from the seismic point of view. A preliminary overview about the procedures prescribed by codes for the seismic characterization of the timber building systems is given. Then the definition of the behaviour q-factor in the literature and its relevance in design of structures in seismic areas is treated. Available research methods for estimating the q-factor based on the verification of the nonlinear seismic response of entire buildings by means of experimental tests and numerical simulations are presented and analyzed. The relevance of a proper definition of the yielding limit and of failure condition in the seismic characterization of wooden building systems is treated. Moreover, a comparison between the q-factor estimations obtained using different calculation methods is presented. Lastly, the appropriate q-factor values are given for a reliable and safe seismic design of buildings realized using the examined wooden constructive systems.
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Last modified: 2016-03-23 00:49:23