Earthquake Analysis Of Multidrum Columns
Author(s)
D. Konstantinidis & N. Makris
Abstract
This paper presents a numerical investigation on the seismic response of
multidrum classical columns. The motivation for this study originates from the
need to understand: (a) the level of ground shaking that classical multidrum
columns can survive; and (b) the possible advantages or disadvantages of
retrofitting multidrum columns with metallic shear links that replace the wooden
poles that were installed in ancient times.
The study reveals that relative sliding between drums happens even when the
g-value of the ground acceleration is less than the coefficient of friction, µ, of the
sliding interfaces and concludes that: (a) typical multidrum classical columns can
survive the ground shaking from strong ground motions recorded near the
causative faults of earthquakes with magnitudes Mw=6.0 to 7.4; (b) in most cases
multidrum classical columns free to dislocate at the drum interfaces exhibit more
controlled seismic response than the monolithic columns with same size and
slenderness; (c) the shear strength of the wooden poles has a marginal effect on
the sliding response of the drums; and (d) stiff metallic shear links in-between
column drums may have an undesirable role on the seismic stability of classical
columns and should be avoided. This paper is an abbreviated version of an
extended paper published in the Journal of Earthquake Engineering and
Structural Dynamics, Vol. 34, 2005.
Keywords: multidrum classical columns, sliding, rocking, seismic response,
earthquake engineering.
1 Introduction
During the last two decades, the earthquake response of ancient structures has
received increasing attention. Of particular interest are the classical temples that
Keywords
multidrum classical columns, sliding, rocking, seismic response,
earthquake engineering.
Related Book
Other papers in this volume
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