Technical
Resisting seismic disturbance
Republished from Unearthed magazine published by Seequent and re-edited by Alan Titchall. Over a decade between 1994 and 2013, nearly half a million people around the world died due to earthquakes with another 118.3 million affected. Scientists predict an increase in major earthquakes, brought on by a periodic slowing of the Earth’s...
Accurate paving with no strings attached
Peter Berton explains why 3D paving offers unmatched paving accuracy, with no strings attached. The name ‘3D paving’ may seem a bit strange; after all, every form of asphalt paving is executed in three dimensions. Yet 3D paving is something radically different: rather than relying on strings to define the project’s physical parameters,...
Kaimai Tunnel rail slab re-level innovation
Ground engineering and asset preservation specialist Mainmark filled voids and lifted the slab and re-levelled the railway line in the Kaimai Tunnel. The Kaimai Tunnel first opened in 1978 and plays an important role as the only rail link from the Port of Tauranga. Its location within the North Island’s Kaimai Range creates unique conditions...
End of a Christchurch icon
Holy ground to Cantabrians, Christchurch’s iconic sports stadium Lancaster Park was levelled in the biggest post-earthquake demolition yet. Hugh de Lacy explains. It was a small mercy that Charles Luney died before the earthquakes that destroyed much of his life’s work, including his beloved Lancaster Park. Previously known as Jade Stadium...
Continuing a family legacy
There’re a few conversations going around about university relevance and the benefits of learning on the job that has school-leavers thinking twice about their options. As an apprentice or trainee, you can land a job in your chosen industry and earn while you learn. There is also no student debt mountain to pay off once your studies are...
Northland bridges finally underway
Northland is experiencing its largest ever programme of work on its State Highways. Among the numerous projects the Transport Agency has underway in the region, a number of existing single lane bridges are currently being replaced. By Mary Searle Bell. IN MATAKOHE, two new bridges are being built and 2.5km of road realigned. The bridge at the...
Classic Machines: LeTourneau's Model A Tournapull
R.G LeTourneau conceived the idea of the self-propelled motor scraper while recovering from a near-fatal auto accident. He approached Caterpillar with the concept but they rejected the idea, so LeTourneau decided to go it alone. The rest, as they say, is history. By Richard Campbell One wonders how long it would have taken another company to...
