Performance of the Christchurch, New Zealand Cathedral during the M7.1 2010 Canterbury earthquake
Cargando...
Fecha
2014-10
Autores
Preciado, Adolfo
Lester, Jamie
Ingham, Jason Maxwell
Pender, Michael
Wang, Guojue
Título de la revista
ISSN de la revista
Título del volumen
Editor
2014 Structural Analysis of Historical Constructions
Resumen
Descripción
The Catholic Cathedral is classified as a category 1 listed heritage building constructed largely of unreinforced stone masonry, and was significantly damaged in the recent Canterbury earthquakes of 2010 and 2011. In the 2010 event the building presented slight to moderta damage, meanwhile in the 2011 one experienced ground shaking in excess of its capacity leading to block failures and partial collapse of parts of the building, which left the building standing but still posing a significant hazard. In this paper we discuss the approach to develop the earthquake analysis of the building by 3D numerical simulations, and the results are compared/calibrated with the observed damage of the 2010 earthquake. Very accurate records were obtained during both earthquakes due to a record station located least than 80 m of distance from the building and used in the simulations. Moreover it is included in the model the soil structure interaction because it was observed that the ground and foundation played an important role on the seismic behavior of the structure. A very good agreement was found between the real observed damage and the nonlinear dynamic simulations described trough inelastic deformation (cracking) and building´s performance.
Palabras clave
Christchurch, Canterbury Earthquakes, Cathedral, Historical Masonry, Seismic Performance, Nonlinear Analysis, Soil-structure Interaction, Retrofitting
Citación
Preciado, A., Lester, J., Ingham, J. M., Pender, M. and Wang, G. (2014). “Performance of the Christchurch, New Zealand Cathedral during the M7.1 2010 Canterbury earthquake”. 9th International Conference on Structural Analysis of Historical Constructions (SAHC), October 14-17, Mexico City.