Road Transport

Drying shrinkage of concrete made from recycled materials

Does concrete composed of recycled concrete aggregate suffer from higher shrinkages and lower densities and strengths compared with concrete composed of virgin aggregates? Bradley Whiting, Timothy McCarthy and Eric Lume describe the methodology and outcomes of a series of trials undertaken on a commercially available recycled concrete aggregate.
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pcm_admin19/03/2020, 10:33 pm19/03/2020 0 1525

Road Transport

Sophisticated quarrying: excavator supports in-pit crushing system

One of Australia’s largest in-pit crushing operations has brought in some extra “muscle” – in the form of a 114-tonne excavator – to ensure supply keeps up with demand.
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pcm_admin19/03/2020, 10:25 pm19/03/2020 0 1193

Road Transport

DE carbide drill bits promise more bit life

Sandvik has announced the release of a new range of drill bits for mining exploration, production and grade control applications, which deliver massive increases in bit life, particularly in very challenging ground conditions.
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pcm_admin19/03/2020, 10:23 pm19/03/2020 0 1417

Road Transport

Quarry a ‘gem’ for the community

A quarry has found an innovative way to contribute to its community by leveraging the distinctive volcanic material located at its site.
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pcm_admin19/03/2020, 10:23 pm19/03/2020 0 2614

Road Transport

Do your rosters minimise fatigue?

Based on information collected from a study of more than 23,000 shift workers in the mining industry, Jim Huemmer discusses how rosters and actual hours of work can be tailored to an organisation?s needs and its workforce, while minimising fatigue.
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pcm_admin19/03/2020, 10:23 pm19/03/2020 0 1450

Road Transport

New centre to boost industry productivity

A global equipment supplier has opened a new support centre to reduce downtime and increase productivity for its Australian customers.
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pcm_admin19/03/2020, 10:23 pm19/03/2020 0 991

Road Transport

Compact loader for recycling market

JCB?s 467 ZX 24-tonne wheel loader with a 4.2 metre bucket has hit the recycling market.
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pcm_admin19/03/2020, 10:21 pm19/03/2020 0 693

Road Transport

End of year cheer for quarry extensions

Three approvals are on the cards for quarries along the country?s east coast.
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pcm_admin19/03/2020, 10:21 pm19/03/2020 0 1616

Road Transport

Animals ?bear? the scars of disturbed landscapes

Restoring a disturbed landscape after mining is not a guarantee that the animals that once lived there will return, according to a new Australian study.

Ants carry the load on exploration

Australia?s most numerous mining prospectors can show us where new gold deposits are ? and they?re not of the regular two-legged variety, according to the CSIRO.
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pcm_admin19/03/2020, 3:55 am19/03/2020 0 1179

Road Transport

Drying shrinkage of concrete made from recycled materials

Sophisticated quarrying: excavator supports in-pit crushing system

DE carbide drill bits promise more bit life

Quarry a ‘gem’ for the community

Do your rosters minimise fatigue?

New centre to boost industry productivity

Compact loader for recycling market

End of year cheer for quarry extensions

Animals ?bear? the scars of disturbed landscapes

Ants carry the load on exploration

Boral rallies shareholders to reject Seven Group Offer

Long-term lease opportunity in southeast Queensland sand quarry

Battery-powered screen joins decarbonisation challenge

Unnaturally round rock spheres are perfectly natural

Measuring Stockpiles By Smart Phone

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