Resources

This document is intended as a guide for practitioners in the assessment of site liquefaction potential.

A field trial of hot mix asphalt using distillation residues was undertaken to investigate the potential of bitumen extenders for use of the vacuum distillation residues (called 'waste oil distillation bottoms' or WODB), produced during the…

The 1997 Transit New Zealand Specification for the Construction of Unbound Granular Pavement Layers (TNZ B/2: 1997) specifies the minimum degree of compaction required is 95% of the maximum dry density (MDD) obtained using the vibratory hammer compac…

This research was undertaken between July 2008 and May 2011 and brings together findings from a review of literature and a survey of New Zealand bridge asset management practices.

A programme of research was undertaken to better understand chip loss on curves with the aim to improve chipseal design and selection practices.

Flexural beam breakage and fatigue tests were conducted in 2008–11 to determine their relationships with pavement fatigue life and tensile strain for a range of New Zealand materials for use in pavement design of stabilised aggregates.

Research was undertaken in 2009–11 to evaluate the potential benefits of multigrade bitumens in chipsealing in New Zealand.

Friction course surfacing has been used on New Zealand road pavements since the early 1970s.

Premature distress in unbound basecourses has occurred regularly in New Zealand.

Literature on the monetary valuation of the environmental effects of roads and road traffic on adjoining residential land use is reviewed.