Seismic vulnerability assessment for historical masonry aggregates

Peixuan Wang, Gabriele Milani, Nicola Grillanda
Abstract:
In this contribute, the authors propose a comprehensive limit analysis approach based on consolidated and innovative techniques for the exact identification of local mechanisms in masonry aggregates. On a three-dimensional (3D) model of the whole aggregate both pre-assigned mechanisms (CINE) and adaptive meshes (NURBS) are used. The computation of the horizontal load multiplier is carried out through the application of the Principle of Virtual Powers with a classic upper bound point of view. The analysis results show that, compared with the simple overturning collapse mechanism, the other collapse mechanisms are only activated under specific stress conditions. Some typical walls are selected to have an insight into the possibilities and limitations of the procedure proposed.
Download:
IMEKO-TC4-MetroArchaeo2022-061.pdf
DOI:
10.21014/tc4-ARC-2022.061
Event details
IMEKO TC:
TC4
Event name:
TC4 MetroArchaeo 2022
Title:

IMEKO TC4 International Conference on Metrology for Archaeology and Cultural Heritage

Place:
Consenca, ITALY
Time:
19 September 2022 - 21 September 2022