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News - Mining, Tunnelling, Geotechnics, Energy

09.10.2023

Komatsu introduces 3D machine guidance and payload functionalities for crawler and wheeled excavators - 3D machine guidance and payload made by Komatsu (credits: Komatsu)Komatsu introduces 3D machine guidance and payload functionalities for crawler and wheeled excavators

Smart Construction 3D Machine Guidance provides customers with a simple and accessible 3D GNSS system and dynamic payload metering. This launch aligns with Komatsu’s continuous commitment to provide customers with intuitive technological solutions that improve safety, enhance productivity and efficiency, and reduce carbon emissions in construction operations.  

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09.10.2023

Liebherr articulated dump trucks involved in major project at Lake Reschen


Liebherr articulated dump trucks involved in major project at Lake Reschen (Credits: Liebherr)

Liebherr articulated dump trucks involved in major project at Lake Reschen (Credits: Liebherr)

  • Ten Liebherr TA 230 Litronic dump trucks are involved in a major project at Lake Reschen
  • Efficient material movement: Liebherr dump trucks support backfilling work on a dam
  • Marx GmbH, a construction company involved in the project, is impressed by the innovative machine concept

A major project worth around 21.5 million euros is being implemented at Lake Reschen in the municipality of Graun in Vinschgau (Italy). In order to make the SS40 state road safer, it is being relocated closer to the reservoir. The gigantic project, which will be implemented in two construction phases over three years, started in April 2023. Numerous Liebherr machines, including ten Liebherr TA 230 Litronic dump trucks, are involved and are responsible for both the earthmoving and execution of the backfill.

The decision was taken to protect the state road at Lake Reschen from rockfalls and landslides. To achieve this, a section of the road about one and a half kilometres in length is being relaid 50 metres inside Lake Reschen. A total of six construction companies are involved in this major project – with around 60 earthmoving machines, including ten Liebherr dump trucks as well as further Liebherr dozers and Liebherr crawler excavators. One of these construction companies is Marx GmbH. The company currently has around seven TA 230 Litronic trucks in operation, some of which were purchased through Liebherr-Mietpartner GmbH.

Efficient material handling with Liebherr dump trucks

The Liebherr dump trucks are assisting with the backfilling of an embankment on which the new state road will run. For this purpose, they are transporting excavated material from the bottom of the drained Lake Reschen to the operating location. The dam will be about 70 metres wide and 20 - 22 metres thick. This corresponds to approximately 2.5 million cubic metres of earth.

Franz Marx, Managing Director of Marx GmbH, is enthusiastic about the Liebherr dump trucks. Up to 28 tonnes of material can be moved with the machines per loading process. A powerful drivetrain combined with automatic traction control allows the machine to deliver outstanding driving performance with concentrated pulling power. "The dumpers are proving themselves thanks to their outstanding operational efficiency. This increases our handling capacity and allows longer cycle times here on the construction site," says Marx.

Every day, the dumpers at Lake Reschen are in use for up to twelve hours at a time. "So far they have proven to be very reliable, durable and robust construction machines," says Marx, who is full of praise for the Liebherr dump trucks. All maintenance points can be reached quickly, easily and safely from a standing area thanks to the optimised arrangement of the components and easy accessibility.

TA 230 impresses with outstanding driving performance and off-road capability

Between the excavation zone in the middle of the lake and the unloading zones at the dam, an extra lane was laid down for the dump trucks in order to achieve high average speeds and thus guarantee high productivity during this large-scale project. Marx describes the ground conditions on the drained lakebed, which includes some slopes, as difficult in certain places. But even there, the TA 230 is proving its worth and demonstrating its enormous tractive power, even when fully loaded.

The reason for this is the optimal combination of a powerful engine, efficient drivetrain and maximum traction. Under the bonnet there is a 6-cylinder construction machinery engine with 12 litres displacement and 265 kW / 360 hp, which ensures excellent driving performance. The machine has a top speed of up to 57 km/h in forward travel and up to 16 km/h in reverse. The efficient drivetrain consists of an automatic 8-speed powershift gearbox for optimal power transmission. The 6 x 6 permanent all-wheel drive and load-switchable longitudinal and lateral differential locks give the dump truck lasting traction, even on rough terrain.
Articulated trucks offer excellent driving comfort and ride quality

In order to work productively during long shifts, the Liebherr dump trucks are based on a machine concept that maximises driving comfort. According to the contractor, all machine operators at Marx GmbH have reported positively about this aspect: the TA 230 combines operator comfort with technical driving comfort. The operator's cab is generously proportioned and characterised by a modern interior design. Large glass surfaces, without pillars obstructing the view, ensure optimal all-round visibility from the cab. Staggered steps and a generous driver's door provide easy and safe access to the cab. Various storage areas, stowage compartments (one of which is air-conditioned) and bottle holders further expand the available space. The clearly and intuitively arranged control elements make the machine operators' work easier. Hydropneumatic shock absorbers on the front axle and the elastic suspension on the operator's cab optimally absorb the vibrations that occur during operations. The soundproofed cab reduces the interior noise level to just 72 dB(A).

Source: Liebherr

 

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06.10.2023

Metso was awarded the contract by BHP to supply MP800 cone crushers to an Australian iron ore mine (Credits: Metso)Metso was awarded the contract by BHP to supply MP800 cone crushers to an Australian iron ore mine

BHP has awarded Metso an order for three high-capacity Nordberg® MP Series™ cone crushers to be installed at its Whaleback mine in Western Australia. This order is booked in the Minerals segment’s third-quarter 2023 orders received.  

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05.10.2023

Superior Industries: acquisition of CEMCO - Superior gains significant manufacturing capacity (credits: Superior Industries)Superior Industries: acquisition of CEMCO - Superior gains significant manufacturing capacity

Superior Industries, Inc., a Minnesota-based manufacturer and global supplier of bulk material processing and handling systems, announced today it finalized its intended acquisition of Belen, New Mexico-based, CEMCO, Inc.  

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04.10.2023

VTT, Nokia and Sandvik take steps together towards safe autonomous underground mining supported by 5G and edge intelligence (Credits: VTT)VTT, Nokia and Sandvik take steps together towards safe autonomous underground mining supported by 5G and edge intelligence

Underground mines are challenging environments for safe operation of autonomous machines, but next generation digital solutions could change that. A joint R&D project coordinated by VTT shows the potential of industrial 5G and edge intelligence in this field and creates new solutions for safe underground mining.  

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