Resources

The falling weight deflectometer (FWD) which measures pavement deflections was assessed for its ability to predict the life of a newly constructed or rehabilitated pavement.

The results of a survey of recent literature on the topic of dust palliatives for unsealed roads are presented, and an investigation is described that was conducted during 1994, using a number of palliative products in road test sections constructed …

This report describes research in 2004 and 2005 aimed at improving the means by which the durability of bitumens manufactured or imported to New Zealand for use in chipseals is assessed and monitored.

This report describes a New Zealand study of the effect of different binders on the rate of chipseal texture loss under traffic.

The road transport industry in New Zealand has been lobbying for increases in the allowable mass limits for heavy vehicles on the basis that this would give increased efficiency and benefits to the economy.

To improve the efficiency of the road transport industry, a range of mass limit increases for heavy vehicles has been proposed.

The accumulation of chipseal layers following repeated road resurfacing frequently results in an unstable surface that can flush quickly, sometimes within twelve months.

Bridge inspection and maintenance management systems used in New Zealand and overseas have been identified and reviewed.

When the New Zealand Bitumen Contractors' Association Inc.

A laboratory study was undertaken to determine the effect of grading/particle size distribution on permanent deformation in multi-stage repeated load triaxial (RLT) tests.