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Images for cracking; more images...

Images, eqnz.chch.2010

Damaged rose window of the St John the Baptist Church at Latimer Square; aftermath of the magnitude 7.1 earthquake that struck Christchurch on Saturday 4 September 2010.

Images, eqnz.chch.2010

Repairs being carried out on this restaurant (converted from a church) at the Hereford Street / Manchester Street intersection;aftermath of the magnitude 7.1 earthquake that struck Christchurch on Saturday 4 September 2010.

Images, eqnz.chch.2010

This beautiful building on Madras Street is red stickered and may be condemned if the structural damage it suffered in the magnitude 7,1 earthquake on Saturday 4 September 2010 cannot be repaired.

Images, eqnz.chch.2010

This beautiful building on Madras Street is red stickered and may be condemned if the structural damage it suffered in the magnitude 7,1 earthquake on Saturday 4 September 2010 cannot be repaired.

Images, eqnz.chch.2010

This beautiful building on Madras Street is red stickered and may be condemned if the structural damage it suffered in the magnitude 7,1 earthquake on Saturday 4 September 2010 cannot be repaired.

Images, eqnz.chch.2010

If you look very closely, running from the nearest right desk to the second desk on the left hand side, you can see my 'fault-line', - the crack that runs the length of the classroom under the lino.

Research papers, University of Canterbury Library

This paper presents preliminary results of an experimental campaign on three beam-column joint subassemblies extracted from a 22-storey reinforced concrete frame building constructed in late 1980s at the Christchurch’s Central Business District (CBD) area, damaged and demolished after the 2010-2011 Canterbury earthquakes sequence (CES). The building was designed following capacity design principles. Column sway (i.e., soft storey) mechanisms were avoided, and the beams were provided with plastic hinge relocation details at both beam-ends, aiming at developing plastic hinges away from the column faces. The specimens were tested under quasi-static cyclic displacement controlled lateral loading. One of the specimens, showing no visible residual cracks was cyclically tested in its as-is condition. The other two specimens which showed residual cracks varying between hairline and 1.0mm in width, were subjected to cyclic loading to simulate cracking patterns consistent with what can be considered moderate damage. The cracked specimens were then repaired with an epoxy injection technique and subsequently retested until reaching failure. The epoxy injection techniques demonstrated to be quite efficient in partly, although not fully, restoring the energy dissipation capacities of the damaged specimens at all beam rotation levels. The stiffness was partly restored within the elastic range and almost fully restored after the onset of nonlinear behaviour.

Audio, Radio New Zealand

A scheme called Crack'd for Christchurch wants to make a beautiful memorial out of the fine china broken in the earthquake. Jenny Cooper is one of a group of people who plan to create an inner-city mosaic that is an art work in its own right, but also acts as a memorial to old Christchurch.

Images, UC QuakeStudies

Dried liquefaction silt in North New Brighton. The photographer comments, "The liquefaction after the 23 December earthquake in Christchurch started to dry out and the thicker deposits started to curl up like broken drain pipe".