Resources

Displaying 281 - 290 results of 638 for ""

Research Report 629 System dynamics investigation of freight flows, economic development and network performance

Published:
Category: Performance monitoring , Research programme , Research & reports | Audiences: General, Road traffic engineers & consultants

The purpose of this research was to investigate if and how systems dynamic (SD) modelling could be used for understanding traffic flows at an inter-regional (state highway) level, in the context of improving understanding of the relationship between …

Research Report 627 Data standards for the NZ transport network

Published:
Category: Transport demand management , Research programme , Research & reports | Audiences: General, Road traffic engineers & consultants

As transport network operations become more and more time critical the requirement for knowledge of the performance and state of the network becomes more significant for decision support.

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).

Bituminous reseals

Published:
Category: Construction , Chipsealing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification and guidance notes set out the performance requirements for: single coat reseals using sealing chip with an average dimension greater than 5.5mm; multilayer seals using sealing chips in the range of grade 2 to grade 6, as defined i…

Pipe subsoil drain construction

Published:
Category: Construction , Pavement & surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

Specification and guidance notes for F2 Pipe Subsoil Drain Construction.

Pipe culvert construction

Published:
Category: Construction , Pavement & surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

Specification and guidance notes for pipe culverts including the construction of trenches; supply and placement of bedding; supply and laying of pipes; jointing of the pipes; construction of headwalls, wing-walls, aprons, drops, and intakes and outle…

Benkelman beam deflection measurements

Published:
Category: Construction , Pavement & surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This test procedure covers the determination of the rebound deflection of a pavement under a standard wheel load and tyre pressure, with or without temperature measurements.