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Images, Alexander Turnbull Library

Four cartoons in the same frame commenting on news and happenings in the week ending 15 December 2011. The cartoons refer to the expulsion of the controversial Member of Parliament, Brendan Horan, from the New Zealand First Party by its leader, Winston Peters; the stereotyping of New Zealand as being 'Middle Earth' following the filming of 'The Hobbit', punned as 'The Habbit'; the lax attitude to building design and standards, which led to the CTV Building disaster in the Christchurch earthquake; the news about the New Zealand SPCA teaching dogs to drive. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon suggests that the Kiwi character has too much of a 'She'll be right' attitude. Refers to a 1996 documentary called 'Earthquake!' which outlined the effects of a major earthquake on Christchurch's eastern suburbs and heritage buildings. The director Grant Dixon says lives could have been saved if officials had heeded the film's warnings. (Stuff: 11 March 2011) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A man representing 'EQC' (Earthquake Commission) talks to a couple outside their collapsed house. He says 'Unfortunately, this is a NORTH Canterbury collapse - so you'll only get your first $100,000 back.' Context: This refers both to the collapse of the South Canterbury Finance Company and to the problems that people are having with insurance companies in North Canterbury after the first Christchurch earthquake on September 4th 2010. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A man sits in an armchair in the ruins of his house with his wife beside him. A man carrying a briefcase marked 'EQC' has come to make an insurance assessment and says 'Unfortunately, this is a North Canterbury collapse - so you'll only get your first $100,000 back'. Context; the Christchurch earthquake of 4th September and the collapse of the South Canterbury Finance Company. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows the leader of the new Mana Party, Hone Harawira, in four frames that illustrate 'The aftershock', 'the shake-up', 'the waiting & anxiety!...' and in the last frame 'the liquefaction...' as he sinks up to his chest in 'Poll Street'. Context - In fact Hone Harawira won the Te Tai Tokerau by-election with a majority of 1,117 votes, followed fairly closely by Kelvin Davis (Labour). The Labour and Mana candidates seemed to be neck and neck just before the election on 26 June 2011. The cartoon uses earthquake imagery to illustrate the emotional roller-coaster for Hone Harawira. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The New Zealand public contemplate a dead drought stricken landscape. As well as lack of water, there is a lack of moderate pay scales for CEOs, satisfaction with EQC, quality TV, generous insurance companies, brilliant Solid Energy management, the integrity of John Banks (and by implication that of other MPs), quality education ministers, worthwhile overseas trips by the Prime Minister, 'clever' NZ First MPs and a boost for the West Coast among others. Considered from a Canterbury perspective, the drought of early 2013 becomes a symbol for many of the recent political and social ailments afflicting the land. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

Recent experiences from the Darfield and Canterbury, New Zealand earthquakes have shown that the soft soil condition of saturated liquefiable sand has a profound effect on seismic response of buildings, bridges and other lifeline infrastructure. For detailed evaluation of seismic response three dimensional integrated analysis comprising structure, foundation and soil is required; such an integrated analysis is referred to as Soil Foundation Structure Interaction (SFSI) in literatures. SFSI is a three-dimensional problem because of three primary reasons: first, foundation systems are three-dimensional in form and geometry; second, ground motions are three-dimensional, producing complex multiaxial stresses in soils, foundations and structure; and third, soils in particular are sensitive to complex stress because of heterogeneity of soils leading to a highly anisotropic constitutive behaviour. In literatures the majority of seismic response analyses are limited to plane strain configuration because of lack of adequate constitutive models both for soils and structures, and computational limitation. Such two-dimensional analyses do not represent a complete view of the problem for the three reasons noted above. In this context, the present research aims to develop a three-dimensional mathematical formulation of an existing plane-strain elasto-plastic constitutive model of sand developed by Cubrinovski and Ishihara (1998b). This model has been specially formulated to simulate liquefaction behaviour of sand under ground motion induced earthquake loading, and has been well-validated and widely implemented in verifcation of shake table and centrifuge tests, as well as conventional ground response analysis and evaluation of case histories. The approach adopted herein is based entirely on the mathematical theory of plasticity and utilises some unique features of the bounding surface plasticity formalised by Dafalias (1986). The principal constitutive parameters, equations, assumptions and empiricism of the existing plane-strain model are adopted in their exact form in the three-dimensional version. Therefore, the original two-dimensional model can be considered as a true subset of the three-dimensional form; the original model can be retrieved when the tensorial quantities of the three dimensional version are reduced to that of the plane-strain configuration. Anisotropic Drucker-Prager type failure surface has been adopted for the three-dimensional version to accommodate triaxial stress path. Accordingly, a new mixed hardening rule based on Mroz’s approach of homogeneous surfaces (Mroz, 1967) has been introduced for the virgin loading surface. The three-dimensional version is validated against experimental data for cyclic torsional and triaxial stress paths.