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Images, UC QuakeStudies

A patchwork quilt suspended from the railings of a broken wall on the corner of Dublin and Winchester Street in Lyttelton. "Lyttelton, don't let the blues get you" has been stitched into the quilt, which is covered in snow.

Images, UC QuakeStudies

A photograph of the Canterbury Provincial Chambers on Durham Street. The building has been cordoned off with wire fencing and the roof covered by plastic sheeting. Much of the masonry has been removed and a wooden structure constructed inside. A crane can be seen behind.

Research papers, The University of Auckland Library

The Catholic Cathedral of the Blessed Sacrament is a category 1 listed heritage building constructed largely of unreinforced stone masonry, and was significantly damaged in the recent Canterbury earthquakes. The building 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 securing the building, and the interaction of the structural, heritage and safety demands involved in a dynamic seismic risk environment. We briefly cover the types of failures observed and the behaviour of the structure, and investigate the performance of both strengthened and un-strengthened parts of the building. Seismic strengthening options are investigated at a conceptual level. We draw conclusions as to how the building performed in the earthquakes, comment on the effectiveness of the strengthening and securing work and discuss the potential seismic strengthening methods.