Seismic Performances of Brick Masonry Inverted Bell-shaped Chedi

Abstract

This research is aimed to perform seismic evaluation of an esteemed brick masonry inverted bell-shaped chedi at Phrathat Doi Suthep temple, Chiangmai, Thailand, by using the finite element analysis. The validated finite element model has been made through the full-scale ambient vibration tests (presented in the accompanied paper). First, twenty past earthquake records were selected and matching of the records to the seismic response spectrum was made for equating the local seismic conditions. Then, the matched seismic waves were used for the input of time history analyses. The results have shown that, the top of the pagoda was very sensitive to the seismic waves. It was deformed significantly, accelerations were amplified and the material was damaged by over-tensioning.