Resources

Bridge health monitoring is a method of evaluating the ability of a bridge to perform its required task (also called fitness for purpose) by monitoring the response of the bridge to the traffic loads it has to withstand.

A mechanistic design procedure was adopted by Transit New Zealand for rehabilitation projects on New Zealand roads.

This report presents the findings from a review of the operation and completed projects conducted at the Canterbury Accelerated Pavement Testing Indoor Facility (CAPTIF) and the Australian Accelerated Loading Facility (ALF).

This report reviews South African experience of modifying aggregates with bitumen and a trial use of bitumen to modify two unsealed roads in the Central Otago district.

Small diameter tyres are increasingly being used in heavy vehicle applications.

A high binder content (78%) polymer-modified bitumen emulsion used in a 'racked-in' sealing system was trialed from 1993 to 1995 as a surfacing in high traffic stress areas for New Zealand roads.

The guidelines for sensitivity analysis in project evaluation, as used in the Transit New Zealand Project Evaluation Manual (PEM), have been improved.

The application of the Austroads Pavement design guide to Taranaki 'brown ash' has been investigated.

A test procedure to measure the long-term durability of bitumens useed in chipseals on New Zealand roads is described.

Subsoil drainange of the road pavement and subgrade is important to the performance and life expectancy of road pavements.