The seismic response of older R/C frames can be particularly sensitive to interaction with masonry infills, poor section detailing and smooth reinforcing bars. These aspects are quite often neglected in design and assessment both with linear and nonlinear models due to the modelling complexity and inherent increase in computational effort.
This paper focuses on the seismic evaluation of the Bell Towers of Lima’s Cathedral. The church, which dates back to 1535, has been modified and reconstructed several times over the centuries, changing its structural assembly in terms of lightening and strengthening. Focusing on the massive 45Â m tall towers, linear kinematic analyses have been performed in order to evaluate their vulnerability. The results show how its actual performance is far below the safety requirements of the Peruvian code.
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