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Images for cones; more images...

Images, UC QuakeStudies

An earthquake-damaged road in north-east Christchurch. The manhole in the centre of the road has risen and a road cone has been placed in the centre to warn road users. Residents have piled liquefaction from their properties on the side of the road where it will be collection by road maintenance contractors.

Images, UC QuakeStudies

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".

Images, eqnz.chch.2010

A few older Christchurch Earthquake Pics from after the 6.3 last Feb (2011). And yes the aftershocks are still happening.. Twitter | Facebook |

Images, eqnz.chch.2010

A few older Christchurch Earthquake Pics from after the 6.3 last Feb (2011). And yes the aftershocks are still happening.. Twitter | Facebook |

Images, UC QuakeStudies

Damage to the Royal Hotel on the corner of Norwich Quay and Canterbury Street in Lyttelton. The columns next to the windows have cracked, indicating that there is major structural damage to the building. Wire fencing and cones have been used to create a cordon around the building.

Images, UC QuakeStudies

An image designed for use as a downloadable screensaver. The image depicts an 'All Rightie' in a fluorescent vest standing by a road cone and gazing at the night sky. The image reads, "When was your last moment of wonder? Sometimes the quietest moments can really change our perspective".

Images, UC QuakeStudies

A photograph of the earthquake damage to the Registry Building on the corner of Montreal and Worcester Streets. Masonry around the gable has collapsed onto the footpath below. Steel bracing has been used to hold up the remaining masonry. Wire fencing has been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Registry Building on the corner of Montreal and Worcester Streets. Masonry around the gable has collapsed onto the footpath below. Steel bracing has been used to hold up the remaining masonry. Wire fencing has been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office walking down Kilmore Street near the intersection with Durham Street. To the left "no go" has been spray-painted on the Copthorne Hotel. A red sticker has been placed above this, indicating that the building is unsafe to enter.

Images, UC QuakeStudies

A photograph of road works on a residential street in Christchurch. Two workers in high-visibility vests can be seen, one setting up road cones. A digger is sitting on a pile of dug up gravel and earth. Cordon fences have been placed around the site. In the distance, a dump truck can be seen.

Articles, UC QuakeStudies

A PDF copy of a poster encouraging people to take notice, one of the Five Ways to Wellbeing. The poster depicts an 'All Rightie' in a fluorescent vest standing by a road cone and gazing at the night sky and reads, "When was your last moment of wonder? Sometimes the quietest moments can really change our perspective" .

Images, UC QuakeStudies

A photograph of earthquake damage to the Kenton Chambers Building on Hereford Street. Cracks have formed between the windows of the building. A section of the bottom storey has collapsed, the bricks spilling onto the footpath. Steel fencing and road cones have been placed on the street in front of the building as a cordon.

Images, UC QuakeStudies

A photograph of All Right? corflute signs on cordon fences in Rangiora. The signs are from phase 2 of the All Right? campaign, which sought to promote the 'Five Ways To Wellbeing' by asking simple, open-ended questions related to wellbeing. All Right? posted the photograph on their Facebook page on 22 October 2013 at 1.23pm. This was captioned, "Not even this week's nor-westers could dent the enthusiasm of these little fellas".

Images, UC QuakeStudies

A photograph looking south down Montreal Street from the Bealey Avenue. The road has been cordoned off with road cones and a member of the New Zealand Army in a high-visibility vest can be seen guarding it. In the background, a New Zealand Army vehicle can be seen with more soldiers. Some are on bikes to the right.

Images, UC QuakeStudies

An access point into the CBD cordon at the corner of Gloucester and Oxford Terrace. Road cones and fencing can be seen in the background with a sign saying 'Access point. Hours of operation 6am-7pm daily. Outside this house use Manchester St/Cambridge Terrace access point'. Inside the cordon, a station can be seen on the left, as well as some workers and cars. The demolition site at the back is where the Brannigans Building used to be.

Images, UC QuakeStudies

A photograph of an earthquake-damaged house on Marine Parade in North Brighton. The front section of the house has collapsed, the rest buckled. The wall of the gable has also collapsed as well as part of the lower front wall. A red sticker in the window indicates that the building is unsafe to enter. A message has been spray painted on the front window, reading, "Roof tiles, $3 each". Police tape has been used to cordon off the house. Public notices can be seen on the fence, on the roof of the collapsed section and the section behind.

Images, eqnz.chch.2010

The earthquake re-pair work has started on the Knox Church on Bealey Avenue, August 14, 2013 Christchurch New Zealand. While building after building is torn down in Christchurch, plans are in place to ensure as much of a 131-year-old church is retained as possible. Knox Church on Bealey Avenue suffered major damage in the February 22 earthquak...

Images, UC QuakeStudies

Damage to River Road in Richmond. The road surface is badly cracked and slumped, and liquefaction silt covers part of the road. Two people in gumboots walk towards a barrier erected across the road using road cones and warning tape, and in the background the badly twisted Medway Street bridge can be seen. The photographer comments, "Longitudinal cracks indicate lateral movement as the land sagged towards the river. Near 373 River Rd, looking south-east towards Medway St. The Medway St bridge is visible in the background".

Images, UC QuakeStudies

A photograph of the earthquake damage to the Carlton Hotel on the corner of Papanui Road and Bealey Avenue. The wall of the top storey of the building has crumbled, and bricks have fallen onto the footpath. Wire fencing, road cones, and cordon tape have been placed around the building as a cordon. Scaffolding and steel bracing can be seen against the front of the building.

Images, Alexander Turnbull Library

Text at top left reads 'Daft things our forefathers did The cartoon shows several nineteenth century gentlemen observing 'volcanic cones', a 'swamp' and 'faultlines underneath' and deciding to build a city. Context - Specifically the Christchurch earthquakes of 4 September 2010 and 22 February 2011 but generally the way many New Zealand cities are built on or near volcanoes, faultlines and swamps. Quantity: 1 digital cartoon(s).

Images, eqnz.chch.2010

The NG building on Madras Street was given the go ahead to repair earthquake damage, which the owners did at some expense, Now, the government want this land to build a central city stadium, so there is a protest on the windows set to the Christmas song the Twelve Days of Christmas. 12 million road cones 11 thousand Hi-Viz (vests) 10 Council m...

Images, eqnz.chch.2010

The NG building on Madras Street was given the go ahead to repair earthquake damage, which the owners did at some expense, Now, the government want this land to build a central city stadium, so there is a protest on the windows set to the Christmas song the Twelve Days of Christmas. 12 million road cones 11 thousand Hi-Viz (vests) 10 Council m...

Research papers, University of Canterbury Library

As a consequence of the 2010 – 2011 Canterbury earthquake sequence, Christchurch experienced widespread liquefaction, vertical settlement and lateral spreading. These geological processes caused extensive damage to both housing and infrastructure, and increased the need for geotechnical investigation substantially. Cone Penetration Testing (CPT) has become the most common method for liquefaction assessment in Christchurch, and issues have been identified with the soil behaviour type, liquefaction potential and vertical settlement estimates, particularly in the north-western suburbs of Christchurch where soils consist mostly of silts, clayey silts and silty clays. The CPT soil behaviour type often appears to over-estimate the fines content within a soil, while the liquefaction potential and vertical settlement are often calculated higher than those measured after the Canterbury earthquake sequence. To investigate these issues, laboratory work was carried out on three adjacent CPT/borehole pairs from the Groynes Park subdivision in northern Christchurch. Boreholes were logged according to NZGS standards, separated into stratigraphic layers, and laboratory tests were conducted on representative samples. Comparison of these results with the CPT soil behaviour types provided valuable information, where 62% of soils on average were specified by the CPT at the Groynes Park subdivision as finer than what was actually present, 20% of soils on average were specified as coarser than what was actually present, and only 18% of soils on average were correctly classified by the CPT. Hence the CPT soil behaviour type is not accurately describing the stratigraphic profile at the Groynes Park subdivision, and it is understood that this is also the case in much of northwest Christchurch where similar soils are found. The computer software CLiq, by GeoLogismiki, uses assessment parameter constants which are able to be adjusted with each CPT file, in an attempt to make each more accurate. These parameter changes can in some cases substantially alter the results for liquefaction analysis. The sensitivity of the overall assessment method, raising and lowering the water table, lowering the soil behaviour type index, Ic, liquefaction cutoff value, the layer detection option, and the weighting factor option, were analysed by comparison with a set of ‘base settings’. The investigation confirmed that liquefaction analysis results can be very sensitive to the parameters selected, and demonstrated the dependency of the soil behaviour type on the soil behaviour type index, as the tested assessment parameters made very little to no changes to the soil behaviour type plots. The soil behaviour type index, Ic, developed by Robertson and Wride (1998) has been used to define a soil’s behaviour type, which is defined according to a set of numerical boundaries. In addition to this, the liquefaction cutoff point is defined as Ic > 2.6, whereby it is assumed that any soils with an Ic value above this will not liquefy due to clay-like tendencies (Robertson and Wride, 1998). The method has been identified in this thesis as being potentially unsuitable for some areas of Christchurch as it was developed for mostly sandy soils. An alternative methodology involving adjustment of the Robertson and Wride (1998) soil behaviour type boundaries is proposed as follows:  Ic < 1.31 – Gravelly sand to dense sand  1.31 < Ic < 1.90 – Sands: clean sand to silty sand  1.90 < Ic < 2.50 – Sand mixtures: silty sand to sandy silt  2.50 < Ic < 3.20 – Silt mixtures: clayey silt to silty clay  3.20 < Ic < 3.60 – Clays: silty clay to clay  Ic > 3.60 – Organics soils: peats. When the soil behaviour type boundary changes were applied to 15 test sites throughout Christchurch, 67% showed an improved change of soil behaviour type, while the remaining 33% remained unchanged, because they consisted almost entirely of sand. Within these boundary changes, the liquefaction cutoff point was moved from Ic > 2.6 to Ic > 2.5 and altered the liquefaction potential and vertical settlement to more realistic ii values. This confirmed that the overall soil behaviour type boundary changes appear to solve both the soil behaviour type issues and reduce the overestimation of liquefaction potential and vertical settlement. This thesis acts as a starting point towards researching the issues discussed. In particular, future work which would be useful includes investigation of the CLiq assessment parameter adjustments, and those which would be most suitable for use in clay-rich soils such as those in Christchurch. In particular consideration of how the water table can be better assessed when perched layers of water exist, with the limitation that only one elevation can be entered into CLiq. Additionally, a useful investigation would be a comparison of the known liquefaction and settlements from the Canterbury earthquake sequence with the liquefaction and settlement potentials calculated in CLiq for equivalent shaking conditions. This would enable the difference between the two to be accurately defined, and a suitable adjustment applied. Finally, inconsistencies between the Laser-Sizer and Hydrometer should be investigated, as the Laser-Sizer under-estimated the fines content by up to one third of the Hydrometer values.

Images, UC QuakeStudies

Damage to buildings along Norwich Quay in Lyttelton. To the left is the Lyttelton Hotel with a crumbled top. Bricks have fallen on the awning and all along the footpath. To the right is a cafe that was damaged severely in the earthquake. The front wall of the top storey has crumbled onto the street, crushing a car. Wire fencing and road cones have been used to create a cordon around the buildings.

Images, UC QuakeStudies

Damage to buildings along Norwich Quay in Lyttelton. To the left is the Lyttelton Hotel with a crumbled top. Bricks have fallen on the awning and all along the footpath. To the right is a cafe that was damaged severely in the earthquake. The front wall of the top storey has crumbled onto the street, crushing a car. Wire fencing and road cones have been used to create a cordon around the buildings.

Images, UC QuakeStudies

An image encouraging people to take notice. The image depicts an 'All Rightie' in a fluorescent vest standing by a road cone and gazing at the night sky and reads, "When was your last moment of wonder? Sometimes the quietest moments can really change our perspective." The image was from phase 2 of the All Right? campaign, promoting the Five Ways to Wellbeing. The Five Ways to Wellbeing is a simple, evidence-based approach to improving wellbeing, promoted by the Mental Heath Foundation.

Images, UC QuakeStudies

Damage to Fitzgerald Avenue. The northbound lanes have collapsed towards the river, and a pile of rubble from the damaged road is heaped on the road. Road cones divert traffic onto the southbound lanes. The photographer comments, "Fitzgerald Avenue between Kilmore Street and Bealey Ave is a mess. Half of the road has slumped towards the river by a good metre or two. My brother-in-law was here when the 22nd earthquake hit and he said the damage wasn't as bad as this at first. A local resident told me that the road is slumping more and more each day".

Images, UC QuakeStudies

Damage to Fitzgerald Avenue. The northbound lanes have collapsed towards the river, and a pile of rubble from the damaged road is heaped on the road. Road cones divert traffic onto the southbound lanes. The photographer comments, "Fitzgerald Avenue between Kilmore Street and Bealey Ave is a mess. Half of the road has slumped towards the river by a good metre or two. My brother-in-law was here when the 22nd earthquake hit and he said the damage wasn't as bad as this at first. A local resident told me that the road is slumping more and more each day".