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Images for Masonry; more images...

Images, UC QuakeStudies

Damage to the church hall of St John the Baptist Church in Latimer Square. The roof has been weather proofed with plywood and there are cracks in the buildings masonry. The remains of fallen bricks can be seen on the footpath. A safety fence has been erected around the building.

Images, UC QuakeStudies

Damage to the church hall of St John the Baptist Church in Latimer Square. The roof has been weather proofed with plywood and there are cracks in the buildings masonry. The remains of fallen bricks can be seen on the footpath. A safety fence has been erected around the building.

Images, UC QuakeStudies

An excavator bunching up scrap metal as part of efforts to clear the site of the demolished Hillary and Marshall Limited building on Manchester Street. A pile of scrapped wooden components can be seen at the back of the site, and a pile of masonry is visible in the foreground.

Images, UC QuakeStudies

Damage to the front gable of the Durham Street Methodist Church. Masonry has fallen from the top of the gable, and the resulting gap has been weather proofed with plywood, tarpaulins and metal tiles. The steel bracing propping the whole front wall can be seen at the bottom of the photograph.

Images, eqnz.chch.2010

The September Canterbury earthquake. These pictures were taken of The New Zealand Army, along with Police, minding the cordons. This was beside The Press building, and behind the Christchurch Cathedral. Note: these photos were taken on a cellphone; mind the quality.

Images, UC QuakeStudies

Scaffolding that has been constructed on the Manchester Street face of the Octagon Live Restaurant (formerly Trinity Church), which is being repaired. Masonry has fallen from one of the building's gables, and the resultant gap has been weather proofed with plywood and a tarpaulin. The site has been enclosed in a safety fence that cuts off one lane of the road.

Images, UC QuakeStudies

Scaffolding that has been constructed on the Manchester Street face of the Octagon Live Restaurant (formerly Trinity Church), which is being repaired. Masonry has fallen from one of the building's gables, and the resultant gap has been weather proofed with plywood and a tarpaulin. The site has been enclosed in a safety fence that cuts off one lane of the road.

Images, UC QuakeStudies

The A and T Burt building on Ferry Road in Woolston. Bricks from the top section of the building have fallen away. Signs advertising two businesses housed in the building, Superheat and Junk and Disorderly, can be seen sitting in front of it. The footpath is covered with brick dust and small pieces of masonry from when the larger pieces were cleared away.

Images, UC QuakeStudies

St John's Presbyterian Church on Winchester Street in Lyttelton. The ground around the church has been strewn with masonry from the church's walls and collapsed tower. The building's front door has been red-stickered and a sign that reads "No entry" is stuck to it. The spire of the collapsed tower has fallen in front of the church, which has been enclosed by a safety fence.

Images, UC QuakeStudies

Scaffolding that has been constructed on the Manchester Street face of the Octagon Live Restaurant (formerly Trinity Church), which is being repaired. Masonry has fallen from one of the building's gables, and the resultant gap has been weather proofed with plywood and a tarpaulin. The site has been enclosed in a safety fence that cuts off one lane of the road.

Images, UC QuakeStudies

Damage to the church hall of St John the Baptist Church in Latimer Square. Masonry has fallen from one of the building's gables and has been piled against its base. The site has been enclosed in a safety fence. A spray-painted sign can be seen at the base of the building reading, "Danger! Wall unstable, stay clear". A piece of plywood is also visible weather proofing the building's roof.

Images, UC QuakeStudies

A photograph of the earthquake-damaged Stone Chamber of the Canterbury Provincial Council Buildings on Durham Street North. Large sections of the Chamber have collapsed and the masonry and other rubble has spilled onto the footpath in front. To the left scaffolding constructed up the side of the building has also collapsed and twisted out of shape. Wire fences have been placed along the side of the building as a cordon.

Research papers, University of Canterbury Library

Existing unreinforced masonry (URM) buildings are often composed of traditional construction techniques, with poor connections between walls and diaphragms that results in poor performance when subjected to seismic actions. In these cases the application of the common equivalent static procedure is not applicable because it is not possible to assure “box like” behaviour of the structure. In such conditions the ultimate strength of the structure relies on the behaviour of the macro-elements that compose the deformation mechanisms of the whole structure. These macroelements are a single or combination of structural elements of the structure which are bonded one to each other. The Canterbury earthquake sequence was taken as a reference to estimate the most commonly occurring collapse mechanisms found in New Zealand URM buildings in order to define the most appropriate macroelements.