Resources

These notes provide guidance for the engineer to aid in their decision to reject or accept a material proposed for use a basecourse or sub-bases used on state highways and other roadways constructed in accordance with TNZ B/3 performance based specif…

This ethylene glycol accelerated weathering test method (NZTA T20) has been developed to assess the durability of aggregates for pavement construction.

This specification and guidance notes apply to the construction of subsoil drains which consist of geotextile lined trenches filled with drainage aggregate.

This specification and guidance notes set out the material and construction requirements for geotextiles for use as separation and/or filtration applications in highway earthworks and pavements.

This method can be used to provide a simple quality control test to determine the permeability of a fabric.

This specification applies to the in-situ stabilisation of granular pavement layers using cement, lime, bitumen emulsion or foamed bitumen.

Stabilisation of pavement layers has a long history in New Zealand.

Stabilisation of pavement layers has a long history in New Zealand.

This specification ahd guidance notes apply to the purchase of calcium oxide or calcium hydroxide for use in soil stabilisation.

This specification and guidance notes shall apply to the construction of unbound granular pavement layers.