Displaying 151 - 160 results of 729 for ""
Published: 2008
Category:
Activity management
,
Research programme
,
Research & reports
| Audience:
General
The transverse shear forces generated by multi-axle groups depends on many factors including turn geometry, vehicle type, axle weights, tyre size and configuration, suspension geometry, and the number and type of axles.
Published: May 2008
Category:
Environmental impacts of land transport
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Research programme
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Research & reports
| Audience:
General
In 2006–2007, 35 road-derived sediments (RDS) consisting of street sweepings and catchpit (ie sump) sediments, were collected from three cities in New Zealand; namely Auckland, Hamilton and Christchurch.
Published: February 2008
Category:
Activity management
,
Research programme
,
Research & reports
| Audience:
General
The primary objective of the project was the development of criteria to define the end-of–life condition of pavements.
Published: 2008
Category:
Transport demand management
,
Research programme
,
Research & reports
| Audience:
General
Reliability in public transport is important for operators and passengers alike.
Published: 2008
Category:
Activity management
,
Research programme
,
Research & reports
| Audience:
General
A routine inspection revealed significant corrosion of the prestressing strand on a concrete road bridge built in 1966 to a standard design used in about 117 State Highway bridges in New Zealand.
Published: 2008
Category:
Activity management
,
CAPTIF
,
Research programme
,
Research & reports
| Audience:
General
Aggregates used as base materials in thin-surfaced granular pavements common to New Zealand contribute at least half the wheeltrack rutting and roughness seen at the surface.
Published: March 2008
Category:
Activity management
,
Research programme
,
Research & reports
| Audience:
General
Structural hot mix asphalt (HMA) pavements have become popular in New Zealand in recent times as heavy traffic volumes have increased and early failures of granular pavements have become more common, especially in urban areas where road maintenance c…
Published: 2007
Category:
Activity management
,
Research programme
,
Research & reports
| Audience:
General
In New Zealand excessive deformation in the wheel paths due to post construction densification has occurred in a number of new pavements constructed in recent years.
Published: 2006
Category:
Activity management
,
Research programme
,
Research & reports
| Audience:
General
This report details the progress made in tests in Oklahoma, USA ,and Christchurch, New Zealand, during the period August 2004 to June 2005, exploring digital imaging technology to measure chipseal surface texture.
Published: 1994
Category:
Integrated land use and transport systems
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Research programme
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Research & reports
| Audience:
General
Roughness indices are used to monitor road condition and prioritise maintenance and rehabilitation programs. The most commonly used measure in New Zealand is NAASRA roughness which is based on the dynamic response of a normal passenger car.