Proud to be supporting ATS2017

PSM is proud to be sponsoring the 16th Australasian Tunnelling Conference in 2017. 

The theme of the conference is Challenging Underground Space: Bigger, Better, More
and is taking place at Star City Sydney from 30 October - 1 November 2017. It is a great
opportunity for individuals to take time out from their day-to-day to learn from and
reflect on the many advances made by the industry. It is a great opportunity to meet,
explain, question and listen.

Only held every 3 years, ATS2017 provides a unique platform for technical leaders to
present innovations in design and delivery proving that continuous improvement is
driving ‘better’, more efficient project outcomes.

Find out more at

Monitoring Pavement Relief of the Hume Highway During Undermining


The Hume Highway (M31) is arguably Australia’s most important piece of transport infrastructure carrying around 45,000 cars, trucks and bases per day which equates to $22 billion dollars’ worth of goods each year.

In 2006 it was proposed to undermine the Hume with a series of long wall panels near Douglas Park, NSW, which would obliquely undermine the dual carriageway causing subsidence of up to 1 m.  At the time the potential economic loss due to mining impacts on M31 without mitigation was estimated to be around $125M. At the time PSM were invited to be part of a technical committee that would oversee the prediction, measurement and mitigation of impacts. Six years later the fourth longwall panel is nearing completion while the mitigation strategies have allowed the highway to operate continuously without incident and with minimal delays to traffic.

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