Engineering, Design
Tunnelling - an extract from “Basic Environmental and Engineering Geology” by F.G.Bell
Geology is the most important factor determining the nature, form and cost of a tunnel, and the route, design and construction of a tunnel are largely dependent upon geological considerations.
Shotcrete results show encouraging signs for mining
Compressive strength test results from a recent shotcrete trial by VCA with the cutting edge CTS Rapid Set Cement batched by a Volumetric International Mobile Mixer (IM Mixer) have achieved what can only be described as astounding results.
Austin Engineering boosts growth with Brazil joint venture
After a highly successful Chilean venture Austin Engineering has established a foothold in Brazil via a new 50/50 joint venture with established Brazilian company Delp Engineering.
Mining construction set to fall but RSPT not to blame
Industry analyst and economic forecaster, BIS Shrapnel, is forecasting a decline in mining and heavy industry construction activity in 2010/11, the first such decline since 2004.
Budget based on “heroic” mining assumptions: BIS Shrapnel
Industry analyst and economic forecaster, BIS Shrapnel, has questioned Treasury’s outlook for engineering construction in the 2010/11 Commonwealth Budget.
Extreme situations call for extreme theory
Over the past six years there have been significant steps taken to improve the management of subsidence impacts from underground mining throughout New South Wales.
Austmine Board denounces Resource Rent Tax
Australia risks rapid erosion of its world-leading mining knowledge and skills base, the foundation of a $A40 billion technology and services (MTS) sector, by selectively targeting the mining industry with new tax measures.
Quotas may not be the best way to attract women
Federal Government suggestions of quotas to encourage female participation at executive levels have drawn a mixed reaction from mining and resource industry recruiters, and those working in industry.
Opensource GIS saves companies thousands
Geographical Information Systems (GIS) have long played a vital role in the mining industry. Visualisation and accessibility of information is paramount to effective decision making.
Rio Tinto to develop new systems for underground mines
Rio Tinto is expanding its Mine of the Future™ programme to develop new equipment and systems for deep underground mines and has selected three partners to work on the project.
UQ to research new ways of mining and mineral extraction
The University of Queensland will host a new $17.5 million Cooperative Research Centre aimed at transforming Australia's mineral resources.
BHP's Rapid Growth Project 4 mining hub opens
WA Mines and Petroleum Minister Norman Moore opened the Newman mining hub - a key component of BHP Billiton Iron Ore’s US$1.85 billion Rapid Growth Project Four.
Landmark geotechnical program awarded
Global professional services consultancy Coffey and the Port of Brisbane Corporation (PBC) have been awarded for their joint work in engineering.
$2.7 billion Gorgon EPCM contract awarded
Engineering and construction company Clough announced on September 15th that the Kellogg Joint Venture Group (KJVG) has been awarded a contract for the Gorgon project.
IsaMill for small scale operations
Since the introduction of IsaMill™ technology to the mineral processing scene in the early 90’s, one of the key drivers for the technology has been to make the technology bigger to treat larger tonnages.
Stabilising the SAG at St Ives
ControlLogix joins forces with advanced process control algorithm, ‘Manta Cube’, to achieve operational stability on a closed-loop single-stage SAG mill at Western Australia’s Gold Fields St Ives gold mine.
IsaMill for small scale operations
Since the introduction of IsaMill™ technology to the mineral processing scene in the early 90’s, one of the key drivers for the technology has been to make the technology bigger to treat larger tonnages.
Achieving improvements in floatation cell design
Maintenance shutdowns are critical in ensuring a plant operates at full capacity. With a specific block of time to complete a set of tasks, it’s imperative these tasks are completed in a safe and timely manner.
Achieving improvements in floatation cell design
Maintenance shutdowns are critical in ensuring a plant operates at full capacity. With a specific block of time to complete a set of tasks, it’s imperative these tasks are completed in a safe and timely manner.
Consultant’s Comment - Another punch in the wall-2
Based on feedback from readers to our story on coal mining extraction techniques in the previous edition of The AJM, we continue our overview and provide more detail on certain methods. We also cover the equipment employed in strip mining operations.
