Resources

Displaying 1 - 9 results of 9 for ""

Bitumen emulsion

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

The M02 Specification for bitumen emulsion (version 1) has been developed and published in support of the move to the use of bitumen emulsions for chip sealing.

Skid resistance investigation and treatment selection

Published:
Category: Skid resistance & texture , Surfacing , Specifications | Audience: Road traffic engineers & consultants

This specification (2013) and guidance notes outline the process for identifying sites where treatment to improve skid resistance may be justified and the process to be followed.

Quantitative extraction of bitumen from asphalt mixes

Published:
Category: Materials , Surfacing , Testing , Specifications | Audience: Roading contractors

Test method to determine the bitumen content of asphalt mixes for the purposes of assessing compliance with specified requirements.

Texture by the sand circle method measurements

Published:
Category: Skid resistance & texture , Surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This test procedure covers the determination of the average texture depth of a paved surface using sand to give the volume of voids.

Durability test method for bitumen

Published:
Category: Materials , Surfacing , Specifications | Audience: Roading contractors

Test method to assess the long-term field durability (resistance to oxidative hardening) of NZTA M1 penetration grade bitumens.

P25 Pilot specification for calcined bauxite

Published:
Category: Skid resistance & texture , Surfacing , Specifications | Audience: Roading contractors

The NZ Transport Agency has released a pilot version of the P25 Specification for calcined bauxite for trial and comment.

A prioritisation scheme for the safety management of curves

Published:
Category: Skid resistance & texture , Surfacing , Specifications | Audience: General

This paper is for skid resistance practitioners to assist them with background to the T10 policy on curves.

Bitumen for pavements

Published:
Category: Materials , Surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

The M01 bitumen specification and notes set out the requirements for bitumen used for pavements in New Zealand.

Improvement of macro-texture by use of high pressure water and grooving

Published:
Category: Skid resistance & texture , Surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification and guidance notes set out requirements for improving the macrotexture (texture) of a pavement surface using high-pressure water or grooving treatments.