Resources

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Research Report 502 Assessing pre-tensioned reinforcement corrosion within the New Zealand concrete bridge stock

Published:
Category: Activity management , Research programme , Research & reports | Audience: General

Precast pre-tensioned concrete bridge construction became common in New Zealand in the 1950s and a large number of pre-tensioned concrete bridges were constructed between 1953 and 1980.

Research Report 535 Accurate and affordable location technology for New Zealand

Published:
Category: Integrated land use and transport systems , Research programme , Research & reports | Audience: General

A potential gap between available location technology and its use on the ground was identified in the New Zealand land transport sector.

Research Report 369 Trends in older people's travel patterns

Published:
Category: Transport demand management , Research programme , Research & reports | Audience: General

We updated our earlier study of older people’s travel patterns using the 1997/98 New Zealand Household Travel Survey (NZHTS) with a comparative analysis using the recently compiled 2004–07 Ongoing NZHTS database (ONZHTS).

Research Report 050 Antioxidents for roading bitumen

Published:
Category: Activity management , Research programme , Research & reports | Audiences: General, Roading contractors

The technical literature up to 1994 dealing with the use of antioxidants to decrease the rate of age hardening in bitumen used for roading chipseals was reviewed.

Rural schools safety programme

Published:
Category: Safe driving , Leaflets & brochures | Audience: General

The speed of traffic past rural schools is a high concern to many rural communities due to the conflict of the school drop-off and pick-up activities mixed with the high speed of through traffic.

Research Report 368 Long-term dust suppression using the Otta seal technique

Published:
Category: Environmental impacts of land transport , Research programme , Research & reports | Audience: General

A 2004 trial of the Otta seal technique in various locations in New Zealand showed that it may be a better option for dust minimisation and, based on life cycle costing, could be a lower-cost option when compared with traditional short-term dust pall…

Research Report 366 Earthquake performance of long span arch culverts

Published:
Category: Natural hazard risk management , Research programme , Research & reports | Audience: General

Dynamic numerical modelling has been carried out in 2005–2007 to investigate the seismic performance of an 11.66 m span, 7.29 m rise, high profile arch culvert.

Research Report 361 Review of Australian standard AS 5100 bridge design with a view to adoption

Published:
Category: Activity management , Research programme , Research & reports | Audience: General

The objective of this project was to investigate the practicality of adopting the AS 5100 bridge design standard for New Zealand.