Abstract
The dynamic analysis of the heighly complex problem of rocking instablity of free-standing statues on the top of ancient multispondyle columns under ground motion is thoroughly discussed. As shown an exact analysis of this problem is impossible due to insuperable computational difficulties for evaluating the loss of energy between spondyles in connection with the extremely large number of differential equations of motion. Thus, a viscoelastic monolithic column with loss of energy equivalent to that of the multispondyle column is proposed. The solution of such a monolithic column together with its uniqueness is properly established. This work based on an analytic approach supplemented by experimental data gives the best approximate solution which can be obtained for this yet unsolved problem.
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The author is indebted to Dr. DM Cotsovos for the computation of the numerical results and their presentation in graphical form.
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In Honour of Professor Emmanuel Gdoutos
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Kounadis, A.N. On the rocking complex response of ancient multispondyle columns: a genious and challenging structural system requiring reliable solution. Meccanica 50, 261–292 (2015). https://doi.org/10.1007/s11012-014-9928-7
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DOI: https://doi.org/10.1007/s11012-014-9928-7