Seismic Vulnerability Assessment of a Historical Church: Limit Analysis and Nonlinear Finite Element Analysis

Figure 6

Linear dynamic analysis: horizontal section of the horizontal section of the main six eigen-modes. Vaults and roof structures are hidden to view.

(a) no. 4: freq. = 3.656 Hz

(b) no. 5: freq. = 4.111 Hz

(c) no. 6: freq. = 5.121Hz

(d) no. 7: freq. = 5.334 Hz

(e) no. 10: freq. = 6.182 Hz

(f) no. 12: freq. = 6.328 Hz