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GeoResources - Mining, Tunnelling, Geotechnics, Energy - News, Events and Journal

10.12.2019 (732 Clicks)

Mining Technology Suppliers need common Standards

It's a question that can be asked of any industry: what will the sector look like in the years to come? How will demands change, skills evolve and the technologies used advance? And what impact will that have? For the global resources industry – and particularly mining – that question has some different answers.

 

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10.12.2019 (862 Clicks)

One Young World Summit: Inspiring Hatch’s future Leaders

Ten years after the inaugural summit in 2010, One Young World 2019 took place in London, England from the October 22–25. Aligned with our Manifesto vision of being passionately committed to the pursuit of a better world through positive change, Hatch had the unique opportunity to participate in the summit for the first time, sending five representatives, one from each region in which Hatch operates around the world.

 

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10.12.2019 (772 Clicks)

QRC welcomes Armour Energy, Santos Agreement

The Queensland Resources Council (QRC) has welcomed the partnership between Brisbane-based Armour Energy and Santos through the South Nicholson Basin Farmin Agreement.

 

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10.12.2019 (810 Clicks)

Salini: Safety and Sustainability Key Elements in Construction of Milan's M4 Metro Line in Italy

“Today we celebrate the Feast Day of Saint Barbara at every work site of Milan’s new M4 metro line after having achieved a record: in the past month, we were able to excavate a kilometre under the city centre, using a removal system for materials that kept its impact on street life to a minimum. To work on a project this big, with 56 work sites, some located in the downtown area, is not easy. And I thank you for this, for the enormous work you have done in a country where public works are undertaken with great difficulty. The M4, which will transport up to 86 million people a year, is one of the most important projects in sustainable mobility in Europe.

 

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06.12.2019 (764 Clicks)

Strabag to build Phase 2 of the New Integrated Pumping Station for Toronto Wastewater Treatment Plant

  • Underground retention and conveyance of wastewater increases capacity in case of heavy rain
  • Order includes shafts and tunnels
  • Contract value: approx. € 80 million
 

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04.12.2019 (853 Clicks)

Minister welcomes Student Ambassadors

The latest crop of Queensland Minerals and Energy Academy (QMEA) ambassadors from across the State were today presented with their credentials by the Hon Shannon Fentiman MP, Minister for Employment & Small Business and Minister for Training & Skills Development.

 

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03.12.2019 (1066 Clicks)

Two Robbins Crossover TBMs to bore second Severomuysky Tunnel in Russia


40 Years after original Tunnel, Robbins returns to Russia

In 1979, a 4.56 m diameter Robbins Double Shield TBM was delivered to bore the Severomuysky Service Tunnel, a 15.3 km long railway through the remote mountains of Siberia. Now, 40 years after the original machine was delivered, Robbins is returning to the role. Two 10.37 m diameter Crossover (XRE) TBMs will bore the second Severomuysky Tunnel, clocking in at 15.5 km long and running through mixed ground and fault zones. The new rail line is needed due to limitations on carrying capacity on the current Baikal-Amur Mainline (BAM) railway through the area. Currently 16 million tonnes of cargo are carried through the existing Severomuysky tunnel but the Russian Government wants to increase cargo carrying capacity by more than six times in the region.

The largest global anthracite producer, Sibanthracite Group, is taking on the tunnel construction with management by VostokCoal Management Company. The companies, owned by Dmitry Bosov, aim to increase coal transport by up to 100 million tonnes per year through the addition of the second tunnel. “Robbins has established itself on the market as the best manufacturer of hard rock machines, which are able to provide the maximum penetration rate in hard rock. This is one of the determining factors in connection with the tight deadlines for the implementation of our project. Also, Robbins is the only manufacturer to build the Crossover TBM,” said a representative of Sibanthracite Group. Other aspects of the supply include a continuous conveyor for muck removal, rolling stock, spare parts, and cutting tools.

Sibanthracite Group chose Crossover technology for a number of reasons, geology being chief among them. “A Crossover type tunnel boring machine was selected for tunneling due to the fact that the construction of the tunnel will be carried out in difficult heterogeneous geological conditions (from unstable waterlogged soils to hard rock). The Crossover is able to operate in two modes: Open mode, used while boring in hard rock formations, and closed mode (with earth pressure balance), used when boring in unstable water-logged soils,” said the Sibanthracite representative.

The lessons learned during the first Severomuysky tunnel – the importance of probe drilling, consolidation grouting, and preventing a shielded machine from becoming stuck in fault zones or squeezing Ground – are all part of the Crossover TBM solution. “I was a young engineer working at Robbins when the Double Shield TBM was delivered for the first tunnel, so it is a special honor to bring this new technology to the second Severomuysky Tunnel in Siberia,” said Robbins President Lok Home. “Per the contract Robbins is supplying Crossover TBMs for the new parallel rail tunnel—these machines are made to bore in highly variable ground conditions while maintaining good advance rates. With our latest technology we hope to again prove TBMs are the better choice over Drill and Blast when difficult ground conditions are to be encountered.”

The machines will be designed for varying water pressures, ranging from 5 to 20 bar. They will feature Water Inflow Control, a system that seals off the face and periphery and creates a safe working environment in which to dewater and consolidate ground. The machines will feature probe drill ports and capabilities for 360-degree probe drilling and grouting ahead of the excavation face, while the Robbins Torque-Shift System will enable the machines to bore through collapsing ground and other situations that demand high torque. The machines will also be designed with a belt conveyor in hard rock mode that can be switched out with a screw conveyor when crossing into soft ground.

Crews will bore through the Severomuysky Ridge, a mountain range in Buryatia and part of the Stanovoy Highlands, which separates the basins of the Upper Angara and Muya Rivers. “The second Severomuysky tunnel is located in one of the most geologically active areas of our planet – on the north-eastern flank of the Baikal rift zone. The region is characterized by high seismic activity, difficult geological and hydrogeological conditions against the backdrop of a harsh climate (the summer period lasts only 80-100 days, temperatures from + 39°C in summer to –58°C in winter). The construction work on the portals is complicated by the presence of permafrost as well,” said the Sibanthracite representative. Construction of the new tunnel is expected to begin in 2020 and take five years.

Source: The Robbins Company



Robbins, Russia, Tunneling, TBM, new order, Severomuysky, Seberia, Crossover, Dmitry Bosov, Vostok, Coal, Railway, Sibanthracite, Lok Home

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02.12.2019 (816 Clicks)

Fugro performs load-testing on Germany’s longest rotary bored Piles for Hamburg’s Elbtower

Fugro completed a successful load-testing programme on Germany’s longest rotary bored piles as part of the foundation design verification for the planned Elbtower construction in Hamburg, Germany.

 

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02.12.2019 (12 Clicks)

Fugro performs Load-testing on Germany’s longest rotary bored Piles for Hamburg’s Elbtower

Fugro has completed a successful load-testing programme on Germany’s longest rotary bored piles as part of the foundation design verification for the planned Elbtower construction in Hamburg, Germany.

 

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01.12.2019 (806 Clicks)

Cimic Group Companies reach Contract Close on Sydney Metro City & Southwest PPP

The Northwest Rapid Transit Consortium (NRT), including Cimic Group companies UGL and Pacific Partnerships, have reached contractual close for the extension to the existing NRT Public Private Partnership (PPP) contract on Sydney Metro.

 

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Latest Articles

20.10.2022 

GeoResources Journal 3-2022GeoResources Journal 3-2022
Special Topic: Focus on Technology

We are pleased to present to you the current edition of the English Journal GeoResources....  

#SMT Scharf GmbH #Hermann Paus Maschinenfabrik GmbH #REDPATH DEILMANN GmbH #Mining #Tunnelling #Geotechnics

20.10.2022 

Sugar Cane sweetens the CO2 Balance of Segment GasketsSugar Cane sweetens the CO2 Balance of Segment Gaskets

Innovative profiles from Sealable Solutions GmbH for sealing between lining segments in mechanically excavated tunnels are more sustainable and improve the CO2 balance. Other relevant product properties are not negatively affected by the avoidance of fossil raw materials....  

#SEALABLE Solutions GmbH #Tunnelling #Traffic tunnels #sealing #sealing technique #pressurised water sealing

18.07.2022 

Evaluation of the Use of field-portable LIBS Analysers for on-site chemical Analysis in the Mineral Resources SectorEvaluation of the Use of field-portable LIBS Analysers for on-site chemical Analysis in the Mineral Resources Sector

Portable laser induced breakdown spectroscopy (pLIBS) is an analytical method for determining the elemental composition of solid material surfaces. Field-portable devices are gaining increasing acce...  

#SciAps, Inc #OLYMPUS EUROPA SE & CO. KG #Measurement technology #exploration #exploratory measurements #field test equipment

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