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Search Results - Processing, September 2012

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The recycling and subsequent reuse of crushed rock and glass reduces the demand for virgin materials.

Case Studies
Blending of recycled glass and crushed rock in road pavements

An extensive laboratory testing program in Victoria, with assistance from recycled aggregates producer Alex Fraser Group, has enabled a team of researchers to analyse the suitability of a recycled glass-crushed rock blend as a sub-base material. Read more »
Various concrete pavement surfaces after polishing to AS1141.41.

Case Studies
Specifying manufactured sands for concrete applications

With the diminishing availability of natural sand resources in many regions around the world, quarry engineers and concrete technologists have taken up the challenge in improving the production and selection of quality man-made sands suitable for concrete production.  Read more »
 Field trial – Hanson Brandy Hill quarry.

Case Studies
Coal power station waste as a fine aggregate replacement in concrete

With sand resources likely to be depleted in the future, attention is turning to options for fine aggregate. Rishabh Satsangi discusses research into the use of coal bottom ash as a viable substitute for the application of sand in concrete manufacturing. Read more »
Boral has conducted a trial production of high quality 10mm and 20mm aggregates using the Kleemann Mobiscreen MS 19 D triple-deck screen, on hire from Tricon Mining Equipment.

Marulan Quarry conducts trial with mobile screen

A triple-deck screening unit passes the grade with Boral quarry operation. Read more »
The FT4250CC utilises a 12’ x 6 double-deck screen that can produce two products and stockpile.

Shaft impactor impresses road construction contractor

Can you improve profits, reduce waste and your carbon footprint at the same time? RPQ, a group of companies providing a range of services in road construction and maintenance, believes it did when it decided to commission the KPI-JCI FT4250CC into its project.  Read more »
The “big red” poly ripple screens are exclusive to Locker Group.

Poly ripple screens now stand out in red

Colour switch aims to trigger job customers' memories when re-ordering their screen media. Read more »
Increasing the steel thickness of the clamp bar will help spread its load and reduce flex.

Side clamping bars essential to screen media

They can appear rather obscure in the overall scheme of things but side clamping bars are vital to screen media performance. Read more »
Coastwide Readymix Concrete’s new Warnervale concrete plant will provide product for the $150 million Warnervale Town Centre project.

Case Studies
Concrete batching plant underpins new development

A New South Wales Central Coast readymixed concrete plant is well positioned to take advantage of expected growth in the region and the development of the Warnervale Town Centre project. Read more »
The crescent of Palm Jumeirah stands four metres above low tide sea level and sits in 10m of water at its deepest point.

Aussie dealer partners on Emirates development

An Aussie supplier of mobile equipment contributes to a memorable infrastructure project in the Middle East. Read more »
The equipment and testing sequence shown in the improved MBV method.

Case Studies
New test method for assessing fine aggregate

Traditionally, good quality manufactured sand for use in concrete mixes has been achieved by measuring and chemically treating the deleterious clays within the fines. Leon Bablouzian, Nathan Tregger and Tasha Eagle outline a new test procedure for assessing clay contamination.
Read more »
Australia is very fortunate to have high quality black coal deposits readily available.

Case Studies
Developing high performance construction materials with coal combustion products

A by-product of the coal-fired power process, coal combustion products – CCPs – are an alternative for roadbase materials and concrete applications. Michael van Koeverden discusses the properties of CCPs and how they can be adapted to roadbase design. Read more »
Ostwald Bros bid for the project with the Caterpillar RM500 in mind because it could cost-effectively handle the work.

Case Studies
Rotary mixer goes to work on flood-damaged roads

Ostwald Bros is leading the way in restoring Queensland’s infrastructure, thanks to a RM500 reclaimer. Read more »


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