GNGTS 2021 - Atti del 39° Convegno Nazionale

303 GNGTS 2021 S essione 2.2 consistent with theoretical and empirical findings of earthquake geotechnical engineering and soil dynamics. Further investigation into aggravation spectra could provide useful indications in view of possible implementation of 2D aggravation effects in seismic codes. Acknowledgements This study was partially supported by DPC-ReLUIS Research Project 2019-2021. References Bard P. Y. and Bouchon M.; 1980: The seismic response of sediment-filled valleys. Part 1. The case of incident SH waves . Bull. Seismol. Soc. Am., 70 , 1263-1286. Bard P. Y. and Bouchon M.; 1985: The two-dimensional resonance of sediment-filled valleys, Bull. Seismol. Soc. Am. 75 , 519-541. Bouckovalas G. and Papadimitriou A.; 2005: Numerical Evaluation of Slope Topography Effects on Seismic Ground Motion . Soil Dynamics and Earthquake Engineering, 25 , 547-558. CEN (European Committee for Standardization) (2004). Eurocode 8: Design of structures for earthquake resistance, Part 1: General rules, seismic actions and rules for buildings , EN 1998-1:2004. Brussels, Belgium. Chávez-García F.J., and Faccioli E.; 2000: Complex site effects and building codes: Making the leap . Journal of Seismology, 4 , 23-40. Daniel, W.W. (1990). Applied nonparametric statistics . PWS-Kent Publ. Madiai C., Facciorusso J. and Gargini E.; 2017: Numerical modeling of seismic site effects in a shallow alluvial basin of the Northern Apennines (Italy) . Bull. Seismol. Soc. Am., 107 , 2094-2105. Makra K., Chavez-Garcia F. J., Raptakis D. and Pitilaks K.; 2005: Parametric analysis of the seismic response of a 2D sedimentary valley: Implications for code implementations of complex site effects. Soil Dynamics and Earthquake Engineering , 19 , 1-22. MIT (Ministero delle Infrastrutture e dei Trasporti) (2008). Nuove Norme Tecniche per le Costruzioni. D.M. 14 gennaio 2008. G.U. 2 9, Suppl. ord. n. 30, Italy (in Italian). Paolucci R. and Morstabilini L.; 2006: Non-dimensional site amplification functions for basin- edge effects on seismic ground motion. Proc. of Third International Symposium on the Effects of Surface Geology on Seismic Motion, Grenoble, France, 2006. Riga E., Makra, K. and Pitilakis K.; 2016: Aggravation factors for seismic response of sedimentary basins: A code-oriented parametric study . Soil Dynamics and Earthquake Engineering, 91 , 116–132. STACEC srl (2017). LSR-2D (Local Seismic Response 2D). User Manual . http://www.stacec.com. Uzielli M., Zei M., Facciorusso J. and Madiai C.; 2019: Probabilistic estimation of linear and volumetric strain thresholds for Italian clays . Proceedings of ESREL 2019, Hannover, September 22-26, 2019. Zhu C., Riga E., Pitilakis K., Zhang J. and Thambiratnam D.; 2020: Seismic Aggravation in Shallow Basins in Addition to One-dimensional Site Amplification . Journal of Earthquake Engineering , 24 , 1477-1499. Autore di riferimento: claudia.madiai@unifi.it