PROCEDURES FOR SEISMIC CHARACTERIZATION OF TRADITIONAL AND MODERN WOODEN BUILDING TYPES


Ario Ceccotti, Milena Massari, Luca Pozza

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.

Keywords: wooden structure, tmber shearwall, seismic behaviour, q-factor, ductility, bi-linearization criteria, numerical method

DOI: 10.18421/IJQR10.01-02

Recieved: 14.12.2015  Accepted: 02.02.2016  UDC: 54.061

Reads: 1217   

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