Resources

Displaying 41 - 50 results of 233 for ""

Research Report 055 A model to predict logging traffic and associated pavement loading from New Zealand forests

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

A computer model was devised in 1993 to predict heavy traffic flows generated by the operations arising from the 30-year planning period of a production forest (from planting to harvest) in New Zealand, for an area served by a road network.

Research Report 543 Pavement design for specialist surfacings

Published:
Category: Activity management , Research programme , Research & reports | Audience: Road traffic engineers & consultants

Leutner shear tests to measure bond strength and flexural beam tests to measure flexibility were conducted on specialist surfacing resins used in New Zealand for coloured and high-friction surfacings.

Research Report 123 Design and construction of geosynthetic-reinforced soil structures in NZ: review & discussion paper

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

The application of geosynthetic-reinforced soil (GRS) to permanent structures carrying roads and/or pedestrian traffic, such as highway embankments, bridge abutments and retaining walls, is rapidly increasing worldwide, because of its cost-effectiven…

Research Report 626 The long-term acoustic performance of New Zealand standard porous asphalt

Published:
Category: Activity management , Research programme , Research & reports | Audiences: General, Road traffic engineers & consultants, Roading contractors

Research was commissioned to investigate the long-term acoustic performance of New Zealand standard porous asphalt made to TNZ P/11 Specification for open graded porous asphalt (OGPA).

Research Report 613 Seismic design and performance of high cut slopes

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

A review of the performance of slopes in historical earthquakes, a review of relevant literature describing recent research, consideration of New Zealand’s distinctive topography and seismicity, and limited numerical analyses have been carried out.

Research Report 252 New standard precast concrete bridge beams: stage 1 – identification of new standard beam shapes

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

The objective of Stage 1 of this research project (carried out in 2002-2003) was to research and identify the most appropriate precast concrete bridge beam shapes that should be adopted in New Zealand as industry standards for the future.

Research Report 251 Cost effective remedial techniques for reinforcement corrosion in concrete bridges

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

Corrosion of steel reinforcement is the most serious and common deterioration problem affecting reinforced concrete bridges in New Zealand.