Seismic Performance of Masonry Cross Vaults: Learning from historical developments and experimental testingSapienza Università Editrice, 30 giu 2020 - 200 pagine Considering the seismic behaviour of cultural heritage buildings, recent earthquakes have emphasised the high vulnerability of vaulted structures. In this regard, the present thesis deals with masonry cross vaults, among the most diffused and fascinating structural typologies of the European cultural heritage. After a thorough review of cross vault historical developments, the focus is shifted to the shaking table tests of a scaled arch. These two points provided valuable information to calibrate the finite element model of cross vault, discussed next. Finally, the influence of the main geometrical and mechanical parameters on the seismic capacity of cross vaults are examined by means of a sensitivity analysis. |
Parole e frasi comuni
3D printed abóbadas abutment width adopted analysis of masonry angle of embrace approach barrel vaults boundary conditions capacity curve Casapulla coefficients collapse mechanism considering construction courtesy of Michela damage damping ratio deformed shape DeJong diagonal Discrete Element Method Equation evaluation experimental results experimental tests extrados failure mechanism fractile frequency frequent mechanisms friction generatrix Gil de Hontañón groin vaults groin vaults subjected Heyman hinge location historical horizontal action Huerta impulse In-plane shear mechanism infill input parameters interface stiffness linear linear regression Lourenço masonry arches masonry cross vaults masonry structures masonry vaulted structures method Michela Rossi Milani MPa/mm nonlinear behaviour numerical analyses numerical model numerical results OCHSENDORF overall Regarding regression regression analysis reported in Figure represent rib vault ribs rigid block rules seismic behaviour seismic capacity sensitivity analysis signal sliding span static stress structural analysis tensile strength thickness three-dimensional Tilting test values voussoirs whereas

