PSI - Issue 79

Vrouva Antigone et al. / Procedia Structural Integrity 79 (2026) 161–167

166

mag the muc I and of e pred The the I mot obv join the T disp colo bloc anti forc scen (DE that case disp disp

gnitudes of th two registrati ch more obvio In Fig. 5b the d two registrat each one on dominant an a e amplification damping of th In particular a tions and scen vious. Furtherm nts at the archi actual measur The numerica placements of onnades andto cks of the bea icipated since ces. For the c narios diminis ED1) and cent t tend to lean t e of the 4 th placements of placements ap

he same return ions. A signif ous for the cas displacement tions from two the structure amplification n ratio is lowe he motion. architectural b narios. For ex more, the gen itrave level an red deformatio al analysis of f the structure owards the ce ams especially e the weight o case of the blo shes. As can b ter beam (DE towards the w beam. Thus f the two colon ppear.

n periods. In t ficant amplific se of the Bisac ts are plotted o earthquake e varies signif for the case o er in the rang blocks a system xample the ten neral behaviou nd at the pedim ons of the bui the models un e, especially t ntre of the faç y in the mid-a of the coffers ocks toward t be seen in Fig. D4) are prese west in the cas the addition nnades especia

his particular cation can be ccia registratio for 3 registrat excitations fro ficantly in te f the freestand e of maximum matic behavio ndency of the ur of the leng ment blocks le lding. nder seismic l the maximum çade.The grid rea of the stru s adds resista the corners of . 6 for the Ath ented. The sce se of the restor of the coffe ally in the mo

casethe axis noted for the on and the out ations the Won om the region erms of maxim ding colonnad m displaceme our seems to r outer perista gthening of th evel was obse loading confi m displacemen d of beams sce ucture when c ance to the di f the structure hens earthquak enario for the ration of the g ered slabs act ore vulnerable

of the maxim case of the fr t of plane axis nderland aven n of Greece, in mum displace des and the ou nts for all reg remain consta asis capitals to he façade dem erved. Both of rms that the r nts appearing enario registe compared to th iaphragm sole e the differen ke the displace full roof resto grid of beams tually provide mid area of th

mum displacem freestanding co s of the colonn nue of the Nor n Athens and ements magn ut of plane axi gistrations and ant in all the i o lean outward monstrated by f these tenden roof tends to in the out -of r amplified di he fully restor ely by produc nce in respons ement plots fo oration retains and this is m es a diaphrag he structure w

ment is differe olonnades wh nade. rthridge earth Kozani. The nitude, though is of the colon d maximizes d investigated g ds at the angl the opening ncies are verifi restrain the o f -plane axis isplacements red coffered ro cing larger fr se between th or both the no s the displace

ent for hich is quake effect h it is nnade. during ground le was of the ied by overall of the of the oof as riction he two rthern ments for the ng the ximum

more obvious f gm readjustin where the max

1 st and 4 th beam o

F Fig. 6. Time-histo

ory displacements

s’ results for the 1

of the roof for the

Athens’ earthqua

ake.