A photograph of a Master of Architecture student from the University of Auckland giving a presentation at a Future Christchurch lecture series. The event was part of FESTA 2012.
A photograph of the temporary AMI Stadium, taken during an architectural tour led by an architect from Populous. Populous were the designers of the stadium. The tour was conducted as part of FESTA 2012.
Well-validated liquefaction constitutive models are increasingly important as non-linear time history analyses become relatively more common in industry for key projects. Previous validation efforts of PM4Sand, a plasticity model specifically for liquefaction, have generally focused on centrifuge tests; however, pore pressure transducers installed at several free-field sites during the Canterbury Earthquake Sequence (CES) in Christchurch, New Zealand provide a relatively unique dataset to validate against. This study presents effective stress site response analyses performed in the finite difference software FLAC to examine the capability of PM4Sand to capture the generation of excess pore pressures during earthquakes. The characterization of the subsurface is primarily based on extensive cone penetration tests (CPT) carried out in Christchurch. Correlations based on penetration resistances are used to estimate soil parameters, such as relative density and shear wave velocity, which affect liquefaction behaviour. The resulting free-field FLAC model is used to estimate time histories of excess pore pressure, which are compared with records during several earthquakes in the CES to assess the suitability of PM4Sand.
Roading machinery parked on the side of River Road. The road is under repair, but has not yet been resealed. The photographer comments, "Looking east to Banks Ave-Dallington Tce. River Rd nearly ready for re-sealing. Over the next year, the road subsided and was repaired 3 or 4 times".
Aftermath of September 4th Earthquake in Canterbury. Shops on Colombo Street in Christchurch - damaged in earthquake and then partially demolished to reduce risk from unstable materials which might otherwise be dislodged in strong winds or subsequent aftershocks. The 1590 aftershocks recorded to date have continued to cause further damage.
A photograph of the Observatory tower at the Christchurch Arts Centre. There are cracks in the masonry of the tower near where the two storeys join. The cracks formed as a result of the 4 September 2010 earthquake. Wire fencing has been placed at the entrance to the courtyard in front as a cordon.
Damage to River Road in Richmond. The road is badly cracked and has slumped towards the river. Road cones and warning tape block off the road to vehicles. The photographer comments, "The end of River Rd, at the corner of Banks Ave-McBratneys Rd-Dallington Tce. Morons in 4WDs kept wanting to drive through here".
Damage to the Cathedral of the Blessed Sacrament. Extensive damage can be seen on the north-west and south-west corners of the building.
Damaged buildings on Manchester Street, the facades of which have fallen into the street. The photographer comments, "A bike ride around the CBD".
A small tower on top of a roof in the Arts Centre. The photographer comments, "A bike ride around the CBD. Arts Centre".
Damage to a house in Richmond. The foundation is cracked, and a gap is visible between the foundation and the house. The photographer comments, "A bike ride around the CBD. Broken foundations, River Rd".
The clock tower at the Arts Centre supported by steel and wooden bracing to prevent further damage. The photographer comments, "A bike ride around the CBD. Arts Centre".
People look through the cordon fencing on the Bridge of Remembrance. The Grand Chancellor can be seen through the arch of the bridge. The photographer comments, "A bike ride around the CBD. Grand Chancellor Hotel through the Bridge of Remembrance".
A crane sits beside the badly damaged Cranmer Courts building. The corner tower has collapsed. The photographer comments, "A bike ride around the CBD. Cranmer Courts, Montreal St".
A crane sits beside the badly damaged Cranmer Courts building. The corner tower has collapsed. The photographer comments, "A bike ride around the CBD. Cranmer Courts, Montreal St".
Damage to the south-west corner of the Cathedral of the Blessed Sacrament. A section of wall has collapsed, exposing the rooms within. Some of the stones have fallen onto a vehicle parked nearby. The photographer comments, "A bike ride around the CBD. Catholic Cathedral, Barbadoes St".
People look through the cordon fencing on the Bridge of Remembrance. The Grand Chancellor can be seen through the arch of the bridge.
Damage to a house in Richmond. Brick cladding is badly cracked and buckled, and some bricks have fallen. There is a large gap between the floor and the foundations. The photographer comments, "A bike ride around the CBD. Our house - foundations and floor parted".
Damage to a house in Richmond. Large gaps are visible between the floor and the foundation, and between the foundation and the patio. The photographer comments, "A bike ride around the CBD. Our house - patio is heading west - or the sunroom is heading east".
Damage to a house in Richmond. Brick cladding is badly cracked and buckled, and some bricks have fallen. There is a large gap between the floor and the foundations. The photographer comments, "Brick walls still clinging on".
Damage to a house in Richmond. Brick cladding is badly cracked and buckled, and some bricks have fallen. There is a large gap between the floor and the foundations. The photographer comments, "Brick walls still clinging on".
Large cracks in the footpath in River Road, where the road has slumped towards the river. The photographer comments, "A bike ride around the CBD. River Rd subsidence".
Large cracks in Avonside Drive, where the road has slumped towards the river. The photographer comments, "Swanns Rd bridge, Avonside".
Road cones mark off a large crack in River Road, where the road has slumped towards the river. The photographer comments, "A bike ride around the CBD. River Rd subsidence".
Damage to the Music Centre of Christchurch. Leadlight windows are warped and broken, and bricks have fallen from the wall.
Damage to the front of the Cathedral of the Blessed Sacrament. The upper part of the corner structures have collapsed, and the cross on the roof is on a lean. A statue of the Virgin Mary can be seen in a window. The photographer comments, "A bike ride around the CBD. Catholic Cathedral, Barbadoes St".
Damage to the Community of the Sacred Name building on Barbadoes Street. The gable ends of the building have collapsed, and bricks have fallen to the footpath below. The building is surrounded by security fencing. The photographer comments, "A bike ride around the CBD. Nunnery, Barbadoes St".
Damage to Englefield Lodge on Fitzgerald Avenue. A pile of bricks lies in front of the house, windows are boarded up, and wooden bracing is propping up the walls. A spray-painted message on a wall reads "We will try to save this house." The photographer comments, "A bike ride around the CBD. Englefield, Christchurch's oldest house, in Fitzgerald Ave".
A small tower on top of a roof in the Arts Centre. The photographer comments, "A bike ride around the CBD. Arts Centre".
A small tower on top of a roof in the Arts Centre. The photographer comments, "A bike ride around the CBD. Arts Centre".