The importance of construction practice in reinforced soil structures


There is a lot of benefit to a contractor to win a reinforced soil project. However, we must realise that there is a high level of skill required. They will need to be familiar with the required design outcomes, and understand the importance of the compaction levels, required fill types, drainage detailing and facing construction to name a few.

Continue reading

Smarter Road Network Maintenance

Once again, we find ourselves deep in the middle of winter with the weather pounding our road networks and coastal areas, and many parts of the country experiencing saturated ground conditions.

Continue reading

Geotextile protecting our coastlines

New Zealand has a very long coastline in proportion to its land mass, with approximately 15,000 kilometres of coastline, which is the 9th longest of any country in the world. This makes the country especially susceptible to the effects of coastal erosion, with frequent storm events causing major land loss and affecting state highways and private property.

Continue reading

Which Block Wall is best for your site?


Whether its enhancing your backyard, creating more usable space for a subdivision, or a large commercial development, retaining walls are creating value for customers every day by allowing them to gain more usable ground.

Continue reading

Better outcomes through innovation

The Industry and the NZTA, along with other RCA’s in New Zealand are actively looking for innovation to provide better outcomes and lower costs, however innovation requires a change in the way we do things, a change in attitude and sometimes even a change in our written guidelines and codes.

Continue reading

Storm damage to roads: why do slips happen when it rains?

Road closures and delays on our state highways and regional roads following storm events seem to be more common than ever. Some of the big events hit the headlines and cause major delays over days or even weeks, while dozens of smaller slips go unnoticed by the media but still cause untold headaches and delays to road users nationwide.

Continue reading

Are you using the right Geogrid?


The use of geogrids in pavements and foundations is well established now and the benefits would be known by most engineers and roading contractors. However, are you clear on which geogrid type to use, and whether a triaxial or a biaxial geogrid will be best for your application?

Continue reading