Issue 51

P. Naidoo et alii, Frattura ed Integrità Strutturale, 51 (2020) 52-70; DOI: 10.3221/IGF-ESIS.51.05 63 higher than the fixed structure, were present in the LRB system on the first floor. On floors five and ten, the total acceleration mostly matched or slightly exceeded that of the fixed base system, however during certain portions of the earthquake, the total acceleration experienced has been improved. Figure 11 : Relative displacement of floors (a) 1 and 2, (b) 5 and 6, (c) 9 and 10 (b) (a) (c)