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Audio, Radio New Zealand

Canterbury schools to stay closed until Monday, Earthquake family tries to comfort traumatised children, Christchurch welfare centres start filling up, Independent Australian MPs back Labor, Universities raise fees to maximum, MPs in Parliament pay tribute to people of Canterbury, Prime Minister speaks from Christchurch, and Julia Gillard speaks about the newly formed government.

Audio, Radio New Zealand

Christchurch Mayor Bob Parker, New standards for earthquake prone buildings in Christchurch, Some schools reopen, while others face permanent closure, PM says Defence Force's role to check CV, Plans to burn the Koran on hold not cancelled, Chances of magnitude aftershock hitting rapidly decreasing.

Research papers, University of Canterbury Library

Research Report: 2010-02 The objective in writing this report is to provide a guide to structural engineers on how to assess the potential seismic performance of existing hollow-core floors in buildings and the steps involved in the design of new floors. Hollow-core units in New Zealand do not contain stirrups within the precast concrete section. This is due to the way that they are manufactured. The only reinforcement in the great majority of hollow-core units consists of pretensioned strands that are located close to the soffit. A consequence of this is that hollow-core units have a number of potential brittle failure modes that can occur when adverse structural actions are induced in the units. These adverse actions can be induced in a major earthquake due to the relative vertical, horizontal and rotational displacements that occur between hollow-core units and adjacent structural elements, such as beams or structural walls. A number of large scale structural tests backed up by analytical research has shown that extensive interaction occurs between floors containing prestressed precast units and other structural elements, such as walls and beams. The constraint that prestressed units in a floor can apply to adjacent beams can result in an increase in strength of the beams to a considerably greater strength than that indicated in editions of the New Zealand Structural Concrete Standard published prior to 2006. The extent of this increase is such that it could in some cases result in the development of a non-ductile failure mechanism instead of the ductile failure mechanism assumed in the design. Prestressed floor units tie the floor bays together leaving a weak section where the floor joins to supporting structural elements. The restraint provided by the prestress restricts the opening of cracks within the bay. In the event of an earthquake this restraint can result in wide cracks developing at some of the boundaries to floor bays. These cracks may have a significant influence on the performance of the floor when it acts as a diaphragm to transfer seismic forces to the lateral force resisting structural elements in the building. The report contains details of; 1. The different failure modes, which may be induced in hollow-core floors, and the failure modes that may develop in a buildings due to the presence of hollow-core units in the floors; 2. Criteria that may be used to assess the magnitude of the design earthquake which may be safely resisted by a hollow-core floor in a building; 3. Details of how construction practice related to the use of hollow-core floors in New Zealand has changed over the last five decades. This highlights particular aspects that need to be considered in carrying out an assessment of existing hollow-core floors; 4. Information on how a new hollow-core floor may be designed to be consistent with the Earthquake Actions Standard, NZS1170.5: 2004 and the Structural Concrete Standard, NZS3101: 2006 (plus Amendment 2); 5. A review of the research findings relevant to the behaviour of New Zealand hollow-core floors under earthquake conditions. Research that was used to develop the assessment and design criteria is described together with details of how the different criteria were developed from this work.

Images, Canterbury Museum

One Historic Places Trust report for Homebush Station. Homebush was in the process of being registered as a Historic Place, and this report was underway, when the homestead was severely damaged by the 4 September 2010 earthquake. Homebush Station was in the process of being registered as an historic place by the New Zealand Historic Places Trus...

Images, eqnz.chch.2010

The tower on the Great Hall at the Arts Centre has recently been lowered to the ground for safety - and decorated for Christmas. It must be the most unusual Christmas tree ever.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Teeing off: Storeman Wayne Smith at the 12th hole of the Contact Wairakei Charity Golf Tournament for the Canterbury Earthquake Relief Fund. Held earlier this month, the tournament raised more than $8000 for the Canterbury Earthquake Relief Fund. In total more than $30,000 was raised for three charities at this year's annual tournament held at the Taupo Golf Club. As well as the $8200 raised for the Canterbury Earthquake Recovery Fund, two local charities Taupo Big Brother Big Sister and the Taupo Therapy Centre, each received $11,000 each from this year's fundraising effort".

Images, eqnz.chch.2010

Now empty and soon to be demolished - sadly for the family and all the customers. Fortunately all plant and stock saved and the search to go on for another suitable space