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Images for roof; more images...

Images, UC QuakeStudies

A photograph of a removed roof on the ground on the corner of Tuam Street and Manchester Street. A stack of shipping containers can be seen in the distance, against the remaining facade of the Excelsior Hotel building.

Images, UC QuakeStudies

A photograph of a badly-damaged building on Manchester Street, which previously housed the Treehouse bar and nightclub. The roof and second storey of the building have been temporarily repaired and the building is fenced off.

Images, UC QuakeStudies

A photograph taken near the intersection of Manchester Street, Lichfield Street and High Street. A mural has been painted on a brick wall. Behind this is the old Post Office building (now C1 Espresso). There is a sculpture by Ronnie Van Hout on the roof.

Images, UC QuakeStudies

A partially deconstructed house in Bexley. The roof cladding and parts of the wall cladding have been removed. The photographer comments, "Today I took a drive around the residential area between Bexley and New Brighton. It was a stark reminder to be thankful for the situation we're in and perhaps not complain too much that our garden wall hasn't yet been rebuilt".

Images, UC QuakeStudies

A photograph taken near the intersection of Manchester Street, Lichfield Street and High Street. A mural has been painted on a brick wall. Behind this, the old Post Office building which now houses C1 Espresso can be seen with Ronnie Van Hout's sculpture on the roof.

Images, UC QuakeStudies

A photograph taken near the intersection of Manchester Street, Lichfield Street and High Street. The old Post Office building, now housing C1 Espresso, can be seen in the distance with Ronnie Van Hout's sculpture on the roof. Coloured shipping containers support the remaining front facade of the Excelsior Hotel building.

Images, UC QuakeStudies

A photograph taken near the intersection of Manchester Street, Lichfield Street and High Street. The old Post Office building, now housing C1 Espresso, can be seen in the distance with Ronnie Van Hout's sculpture on the roof. Coloured shipping containers support the remaining front facade of the Excelsior Hotel building.

Research papers, The University of Auckland Library

The connections between walls of unreinforced masonry (URM) buildings and flexible timber diaphragms are critical building components that must perform adequately before desirable earthquake response of URM buildings may be achieved. Field observations made during the initial reconnaissance and the subsequent damage surveys of clay brick URM buildings following the 2010/2011 Canterbury, New Zealand earthquakes revealed numerous cases where anchor connections joining masonry walls or parapets with roof or floor diaphragms appeared to have failed prematurely. These observations were more frequent for adhesive anchor connections than for through-bolt connections (i.e. anchorages having plates on the exterior façade of the masonry walls). Subsequently, an in-field test program was undertaken in an attempt to evaluate the performance of adhesive anchor connections between unreinforced clay brick URM walls and roof or floor diaphragm. The study consisted of a total of almost 400 anchor tests conducted in eleven existing URM buildings located in Christchurch, Whanganui and Auckland. Specific objectives of the study included the identification of failure modes of adhesive anchors in existing URM walls and the influence of the following variables on anchor load-displacement response: adhesive type, strength of the masonry materials (brick and mortar), anchor embedment depth, anchor rod diameter, overburden level, anchor rod type, quality of installation and the use of metal mesh sleeve. In addition, the comparative performance of bent anchors (installed at an angle of minimum 22.5o to the perpendicular projection from the wall surface) and anchors positioned horizontally was investigated. Observations on the performance of wall-to-diaphragm connections in the 2010/2011 Canterbury earthquakes, a snapshot of the performed experimental program and the test results and a preliminary proposed pull-out capacity of adhesive anchors are presented herein. http://www.confer.co.nz/nzsee/ VoR - Version of Record

Research papers, The University of Auckland Library

The connections between walls of unreinforced masonry (URM) buildings and flexible timber diaphragms are critical building components that must perform adequately before desirable earthquake response of URM buildings may be achieved. Field observations made during the initial reconnaissance and the subsequent damage surveys of clay brick URM buildings following the 2010/2011 Canterbury, New Zealand earthquakes revealed numerous cases where anchor connections joining masonry walls or parapets with roof or floor diaphragms appeared to have failed prematurely. These observations were more frequent for the case of adhesive anchor connections than for the case of through-bolt connections (i.e. anchorages having plates on the exterior façade of the masonry walls). Subsequently, an in-field test program was undertaken in an attempt to evaluate the performance of adhesive anchor connections between unreinforced clay brick URM walls and roof or floor diaphragm. The study consisted of a total of almost 400 anchor tests conducted in eleven existing URM buildings located in Christchurch, Whanganui and Auckland. Specific objectives of the study included the identification of failure modes of adhesive anchors in existing URM walls and the influence of the following variables on anchor load-displacement response: adhesive type, strength of the masonry materials (brick and mortar), anchor embedment depth, anchor rod diameter, overburden level, anchor rod type, quality of installation and the use of metal foil sleeve. In addition, the comparative performance of bent anchors (installed at an angle of minimum 22.5o to the perpendicular projection from the wall surface) and anchors positioned horizontally was investigated. Observations on the performance of wall-to-diaphragm connections in the 2010/2011 Canterbury earthquakes and a snapshot of the performed experimental program and the test results are presented herein. http://hdl.handle.net/2292/21050