Resources

Precast pre-tensioned concrete bridge construction became common in New Zealand in the 1950s and a large number of pre-tensioned concrete bridges were constructed between 1953 and 1980.

The design of concrete beams for shear loading is governed in New Zealand by the provisions of NZS 3101.

The technical literature up to 1994 dealing with the use of antioxidants to decrease the rate of age hardening in bitumen used for roading chipseals was reviewed.

Hollow core units for bridge spans of various length.

The objective of this project was to investigate the practicality of adopting the AS 5100 bridge design standard for New Zealand.

In recent years, the standard practice in New Zealand regarding binder selection for state highways has been to use harder penetration grade binders and reduced diluents, after some research indicated that the use of harder binders slowed the onset o…

Data is essential for understanding the demands placed on road assets and transport networks.

A pavement design model developed in the USA is used to estimate the equilibrium degree of saturation in pavement subgrade and basecourse materials.

Research was commissioned to investigate the long-term acoustic performance of New Zealand standard porous asphalt made to TNZ P/11 Specification for open graded porous asphalt (OGPA).

This project, undertaken in 1992, simulated the situation when a bridge is widened with a new concrete extension and then, after a delay period, traffic continues to use the existing old concrete bridge while the extension is curing.