?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Experimental+and+numerical+reparability+assessment+of+a+two-storey+steel+structure+equipped+with+innovative+column+bases&rft.creator=Elettore%2C+Elena&rft.creator=Freddi%2C+Fabio&rft.creator=Latour%2C+Massimo&rft.creator=Piluso%2C+Vincenzo&rft.creator=Rizzano%2C+Gianvittorio&rft.description=In+the+last+few+decades%2C+increasing+research+efforts+have+been+devoted+to+the+definition+of+innovative+seismic+resilient+technologies+and+design+strategies+with+the+aim+of+reducing+both+direct+and+indirect+losses+and+hence+minimising+the+impact+of+such+extreme+events+on+the+society.+In+this+context%2C+the+use+of+Friction+Devices+(FDs)+within+the+Beam-to-Column+joints+(BCJs)+of+steel+Moment+Resisting+Frames+(MRFs)+has+emerged+as+an+effective+solution+to+limit+the+local+damage+simultaneously+benefitting+from+their+energy+dissipation+capacity.+Additionally%2C+more+recent+studies+have+revealed+the+benefits+of+using+Self-Centring+Column+Bases+(SC-CBs)+for+the+residual+drift+reduction+of+steel+MRFs.+These+and+other+research+studies+in+this+field+aimed+at+the+definition+of+structural+solutions+that+could+be+easily+repaired+after+an+extreme+event%2C+hence+promoting+functional+recovery.+However%2C+experimental+research+on+suitable+structural+repair+techniques+is+still+marginal+and+the+lack+of+confidence+in+the+performance+of+repaired+structures+are+relevant+issues+contributing+to+the+high+demolition+rates.+The+present+paper+illustrates+the+results+of+an+experimental+campaign+conducted+on+a+large-scale+steel+structure+equipped+with+BCJs+with+FDs+and+SC-CBs.+Several+pseudodynamic+tests+were+performed+and%2C+at+the+end+of+each+test%2C+the+structure+was+repaired+by+loosening+and+retightening+the+bolts+of+the+FDs+to+investigate+the+residual+drift+reduction+during+repair+and+successively+evaluate+the+effectiveness+of+the+repair+operations.+Furthermore%2C+an+advanced+numerical+model+was+developed+in+OPENSEES+and+then+validated+against+experimental+results.+The+results+demonstrated+the+effectiveness+of+the+repairing+method+as+well+as+the+ability+of+the+numerical+model+in+simulating+the+repairing+process.&rft.publisher=World+Conference+on+Earthquake+Engineering+(WCEE)&rft.date=2024-07-05&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+18th+World+Conference+on+Earthquake+Engineering+(WCEE+2024).++++World+Conference+on+Earthquake+Engineering+(WCEE)%3A+Milan%2C+Italy.+(2024)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10195510%2F1%2FElettore%2520et%2520al%2520-%2520WCEE%25202024%2520-%2520PsD%2520Test%2520-%2520CBs%2520-%2520Repairability.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10195510%2F&rft.rights=open