Resources

Displaying 111 - 120 results of 233 for ""

Research Report 075 A framework for an ideal road structures design manual

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

The report presents a definition of the scope and coverage of an ideal manual for the design of roading structures to meet the needs of Transit New Zealand and compares the present Transit New Zealand Bridge Manual and the 1992 Austroads Bridge Desig…

Research Report 072 Construction and maintenance of unsealed roads

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

This study investigates the cost effectiveness of conventional and alternative construction and maintenance procedures for unsealed roadways.

Research Report 062 Use of tyre rubber in bitumous pavements in New Zealand

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

A literature review was carried out in 1993 on the potential use of crumb-sized ground tyre rubber (GTR), obtained from recycling waste tyres, as an additive to bitumen used in constructing New Zealand pavements.

Research Report 006 Geotextiles

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

Geotextiles are permeable textile fabrics used in engineering applications.

Research Report 618 Trialling best value delineation treatments for rural roads

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

Providing a safe, comfortable, cost-effective visual environment to help drivers navigate rural roads requires a better understanding of the strengths and limitations of different delineation devices, materials and treatment configurations.

Research Report 615 Maintaining the effectiveness of audio tactile profiled roadmarkings for their full life cycle

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

This research considered maintenance of the audio, tactile and visual effects of ATP roadmarkings including for situations where the road surface was to be resealed while the ATP roadmarkings had remaining effective life.