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Ιδρυματικό Αποθετήριο [SANDBOX]
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| URI | http://purl.tuc.gr/dl/dias/301B4406-1562-443E-905C-760EF9981733 | - |
| Αναγνωριστικό | https://doi.org/10.1080/15732470903419677 | - |
| Γλώσσα | en | - |
| Μέγεθος | 12 pages | en |
| Τίτλος | Effects of soil non-linearity on the seismic response of restrained retaining walls | en |
| Δημιουργός | Yiannis Tsompanakis | en |
| Δημιουργός | George Papazafeiropoulos | en |
| Δημιουργός | Prodromos Psarropoulos | en |
| Περίληψη | Retaining structures characterised by high rigidity and various kinematic constraints, such as bridge abutments and basement walls, do not permit limit-equilibrium conditions to be developed. Therefore, according to contemporary norms and geotechnical design practice worldwide, they are most frequently designed utilising the elasticity-based methods, which usually lead to substantially increased dynamic earth pressures. The present paper aims to examine how and to what extent the potentially developed non-linearity of the retained soil may affect: (a) the dynamic distress of a rigid fixed-base retaining wall, and (b) the seismic response of the retained soil layer. For this purpose, a parametric study is conducted which is based on two-dimensional dynamic finite-element analyses using various idealised or real seismic excitations scaled to several intensity levels. Soil non-linearity is realistically taken into account via the commonly used equivalent-linear approach. The results of the present study demonstrate that potential non-linearity of a soil layer retained by a rigid fixed-base wall alters the soil amplification pattern behind the wall and leads to dynamic earth pressures usually lower than those proposed by seismic norms. | en |
| Τύπος | Peer-Reviewed Journal Publication | en |
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | el |
| Άδεια Χρήσης | http://creativecommons.org/licenses/by/4.0/ | en |
| Ημερομηνία | 2015-10-08 | - |
| Ημερομηνία Δημοσίευσης | 2009 | - |
| Θεματική Κατηγορία | Regions, Seismically active | en |
| Θεματική Κατηγορία | Seismic areas | en |
| Θεματική Κατηγορία | Seismic zones | en |
| Θεματική Κατηγορία | Seismically active regions | en |
| Θεματική Κατηγορία | Zones, Earthquake | en |
| Θεματική Κατηγορία | Zones, Seismic | en |
| Θεματική Κατηγορία | earthquake zones | en |
| Θεματική Κατηγορία | regions seismically active | en |
| Θεματική Κατηγορία | seismic areas | en |
| Θεματική Κατηγορία | seismic zones | en |
| Θεματική Κατηγορία | seismically active regions | en |
| Θεματική Κατηγορία | zones earthquake | en |
| Θεματική Κατηγορία | zones seismic | en |
| Βιβλιογραφική Αναφορά | P. Psarropoulos, Y. Tsompanakis ,G. Papazafeiropoulos ,"Effects of soil non-linearity on the seismic response of restrained retaining walls ,"Struct. and Infr.Eng., vol.7 no. 12 ,pp. 1-12.doi: 10.1080/15732470903419677 | en |
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