2022
DOI: 10.21203/rs.3.rs-1211219/v1
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The Influence of the Geometrical Features on the Seismic Response of Historical Churches Reinforced by Different Cross Lam Roof-Solutions

Abstract: Recent Italian earthquakes have shown the seismic vulnerability of many typical historical masonry churches characterized by one nave and wooden roofs. Under transverse earthquake the nave transverse response of this kind of churches can be influenced by the geometrical and material features. To increase the seismic performance, strengthening interventions aimed to pursue the global box-behavior by the realization of dissipative roof-structure represent a valid strategy especially for avoiding out-of-plane mec… Show more

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“…Therefore, a case study church is represented by equivalent finite element model (FEM) with nonlinear proprieties for the equivalent vertical elements -representing the head and perimeter walls) -and the equivalent horizontal elements -representing the wooden panels with the steel connections -. In the FEM, nonlinear properties can be introduced by inelastic hinges: (i) inelastic rotational hinges located at the base of the vertical elements represent the inelastic behavior of the masonry perimeter walls involved in the nave transversal response whereas (ii) shear inelastic hinges to attribute to the horizonal elements describe the dissipation occurring in the roof's in-plane connections [7,8]. The nonlinear behavior of the inelastic hinges represents an important issue in the performance based seismic design for several reasons.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, a case study church is represented by equivalent finite element model (FEM) with nonlinear proprieties for the equivalent vertical elements -representing the head and perimeter walls) -and the equivalent horizontal elements -representing the wooden panels with the steel connections -. In the FEM, nonlinear properties can be introduced by inelastic hinges: (i) inelastic rotational hinges located at the base of the vertical elements represent the inelastic behavior of the masonry perimeter walls involved in the nave transversal response whereas (ii) shear inelastic hinges to attribute to the horizonal elements describe the dissipation occurring in the roof's in-plane connections [7,8]. The nonlinear behavior of the inelastic hinges represents an important issue in the performance based seismic design for several reasons.…”
Section: Introductionmentioning
confidence: 99%