Technically Speaking

NZTA M1-A 2019 Specification and the Multi Stress Creep Recovery Test

9 March 2021

The NZTA M1-A 2019 specification has now been in circulation for over a year. As discussed in my previous article, this specification moves away from the old penetration grading to a performance based specification. It is quite a significant shift and...

Ultra Mending Sunken Service Hatches

30 October 2020

Service hatches, have you ever driven over one that has started to sink? Or worse one where the road around the hatch has started to break away. There is no question about it, they are a big bump that can give your car’s suspension a workout. No...

New NZTA M1-A 2019 specification

13 December 2019

Simeon Hall speaking technically about unravelling the new NZTA M1-A 2019 specification for performance graded binders. Click here to check out the article...

Emulsion vs Cutback Bitumen

26 June 2019

An adhesion story Early life failure as a result of poor adhesion of the binder to aggregate is often referred to as “stripping”. Stripping of aggregate from a chip seal can make up around 7% of failures occurring early in a seal’s...

Hydrogen Sulphide Emissions Elimination

7 May 2019

In 2018, Road Science discovered that there was a high risk of Hydrogen Sulphide exposure when making one of their products. Hydrogen Sulphide is a highly dangerous gas which can cause fatalities when exposed at high concentrations. Road Science swiftly...

Building for tomorrow - Risk and whole of life cost

3 April 2019

Imagine that you are trying to cross a fast flowing river, there are three bridges that you can cross: a old tattered rope bridge, on old wooden bridge, and a sturdy steel bridge with strong foundations. Which one will you choose? The steel one, right?...

Road Safety - The Role of Technology on Roading Products & Services

18 December 2018

Simeon has 23 years’ experience working in technical teams, initially in the field of food science. This experience has contributed to a thorough understanding of quality principles. Over the past nine years Simeon has gleaned significant...

Ultra Mender Case Study - Downer NZ and Porirua District Council

26 November 2010

Put your coffee down and your feet up while you read about an ingenious Road Science product - Ultra Mender... https://lnkd.in/gWSbd7c Nik...