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Images for BUILDING CODES; more images...

Images, UC QuakeStudies

Damage to the Caxton Press building (left) and the adjoining building. In front is a pile of bricks, cordonned off with tape and road cones to keep the public away. Spray-painted codes show that the buildings have been checked by USAR.

Images, UC QuakeStudies

The facade of the building housing the Daily Bagel and the Covent Fruit Centre has fallen away, leaving the building unstable and dangerous. The front wall has toppled onto the footpath leaving a pile of bricks. The front windows of this and surrounding buildings have been spray-painted with USAR codes 'No Go' and the times they were checked.

Audio, Radio New Zealand

Strong aftershocks felt in Canterbury, Quake firms to seek government wage subsidy, More services, access to buildings being restored in Christchurch, Minister for Earthquake Recovery discusses plans, Heavy rain causes flooding and road closures in Lower North Island, Building codes minimised quake's injuries and damage, Glass supply freezes as Christchurch companies clean up.

Images, UC QuakeStudies

A photograph of the former City Council Civic Offers at 194-196 Manchester Street. USAR codes have been stray-painted on the windows. A yellow sticker is stuck to the door, indicating that entry to the building is restricted.

Images, UC QuakeStudies

A photograph of the former City Council Civic Offers at 194-196 Manchester Street. USAR codes have been stray-painted on the windows. A yellow sticker is stuck to the door, indicating that entry to the building is restricted.

Images, Alexander Turnbull Library

The cartoon shows a family standing proudly in front of their tent which has 'No leaks!', is 'Earthquake-proof!', and 'Affordable!' An 'Optional extra' is an 'inflatable base for tsunami-prone areas'. Text below reads 'Not suitable for volcanic areas. Refers to the problems that have been experienced in the last couple of decades with leaky homes because of slack building codes (which have now been tightened), refers also to the Canterbury earthquake of 4th September with its aftermath of rebuilding for greater earthquake proofing and lastly refers to the problem of people being unable to afford houses. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

This report describes in-plane experimental testing and numerical modelling of timberconcrete floor diaphragms. The experimental tests investigated the in-plane stiffness of the diaphragm and the stiffness and strength of different connections between the diaphragm and the lateral load resisting system. The test model was 1/3 scale and three meters square in plan. Seven tests with a different kind of connection between the floor and the rigid lateral supports (which simulated a timber lateral load resisting system) have been performed. The results of the experimental testing are used to calibrate numerical models which are used to investigate the effects of the floor flexibility on the seismic behaviour of post-tensioned timber buildings. For the experimental tests, screw and nail fasteners were used to connected to floor unit to the lateral supports. These fasteners were embedded into the concrete slab or timber edge joints at different orientations. The stiffness of the diaphragm connections was vastly different for each detail. Screws installed at a 45? angle (inclined) to the lateral supports were four times stiffer than the screws installed orthogonal to the lateral supports. The initial stiffness of the inclined fasteners was similar for timber-to-timber and concrete-to-timber connections. For the timberto- timber connections the orientation did not seem to influence the strength of the connection. The tested diaphragm had an uncracked stiffness of 4000 kN/mm and a cracked stiffness of 300 kN/mm. For the tested floor unit it was concluded that the influence of the diaphragm flexibility was negligible compared to the connector flexibility. The floor flexibility can be idealized as three different parts, the deformation of the connectors, the shear deformation of the diaphragm and the flexural deformation of the diaphragm. The numerical analyses showed that in most perceivable situations the connection deformation will govern the in-plane seismic response of the floor. Hence, it is justified to model it as a single-degree-of-freedom (SDOF) element. The influence of the floor flexibility on the seismic response of post-tensioned timber buildings is small. In most cases neglecting the floor flexibility is a conservative approach for the structural design of the building. However, structures with stiff walls and long floor spans there can be a significant amplification of the seismic response. For that case, a simple SDOF representation is proposed. Code-based recommendations for predicting the peak floor accelerations are found to be inadequate. A methodology is proposed to more accurately predict the expected peak floor accelerations for design