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

01.11.2019 (780 Clicks)

Wealth Minerals negotiates Land Access to Valsequillo Silver Project, Mexico

Wealth Minerals Ltd. reports it has successfully negotiated surface access rights to the Valsequillo Silver project (“Valsequillo” or the “Property”) located in southern Chihuahua state, Mexico. The Company has the option to acquire a 100% interest in the Property covering 2,840 hectares. The Property is located approximately 40 km southeast of the city of Hidalgo Del Parral within the Altiplano Polymetallic Belt of north-central Mexico. The Company can acquire a 100% interest in the Property by making payments to the underlying arm’s length vendors of the Property in the aggregate amount of USD $6.0 million over a 90-month (7.5 years) period (see news release dated October 15, 2015).

 

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01.11.2019 (986 Clicks)

TLT-Turbo On-site Test Lab advances Ventilation Product Quality

Global ventilation fans and systems manufacturer, TLT-Turbo GmbH, has spent the past five years investing in and equipping its on-site test lab. The test lab now provides streamlined processes for research, advancing product quality and expanded capabilities for material testing. With a focus on particle impact wear testing, the test lab is driving innovation forward at TLT-Turbo as the results help improve product reliability, quality and performance in their final operating environment.

 

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31.10.2019 (911 Clicks)

Rema Tip Top at the Dubai Mining Show 2019: "In the Region, for the Region!"

Dubai Mining Show on 5 and 6 November | Surface, corrosion and heavy wear protection| Innovative and preventive monitoring, maintenance and repair solutions for conveying systems

 

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30.10.2019 (871 Clicks)

Milestone reached at major Albvorland Tunnel Project – Implenia celebrates Breakthrough in southern Tube by the WANDA Tunnel Boring Machine


Implenia has been commissioned by Deutsche Bahn to build the 8-kilometre Albvorland Tunnel, a key section of the new 60-kilometre-long railway line between Stuttgart and Ulm. Today’s breakthrough in the southern tube by tunnel boring machine (TBM) WANDA marked the successful end of Implenia’s drilling work on the Albvorland Tunnel’s two tubes. TBM Sybille already made the breakthrough in the northern tube in August 2019.

Prior to its re-emergence into the daylight at today’s ceremony, WANDA, which is 137 metres long and weighs 2,300 tonnes, had been digging underground for almost exactly two years. During this period, Implenia installed a total of 3,989 tubbing rings as the TBM’s progressed 15 metres a day on average, and 32 metres at the very peak. Implenia made these concrete tubbing sections in advance at a factory set up especially for the project close to the construction site.

The successful breakthrough in the two tunnel tubes brings an end to mechanical drilling at the last major tunnel on the new Stuttgart–Ulm line. “We at Implenia are proud that today we have completed the excavation of one of the ten longest railway tunnels in Germany. We would like to congratulate our miners and thank Deutsche Bahn for trusting in our tunnelling expertise,” says Erwin Scherer, Global Head Tunnelling at Implenia.

“The Albvorland tunnel is a significant structure on the new high-speed Wendlingen-Ulm line,” explains Thorsten Krenz, Deutsche Bahn AG’s Group Representative for Baden-Württemberg. “Together with Stuttgart 21, the infrastructure, which is designed for speeds of 250 km/h, will make for faster travel not only within Baden-Württemberg, but across Europe. The rail journey between Stuttgart and Ulm will be almost halved to around half an hour. Today, with the near completion of tunnel boring for the new Wendlingen-Ulm line, we have moved a large step closer to this goal. Approximately 61 kilometres of tunnel have been successfully dug under often-difficult geological conditions. I would like to thank the tunnellers and engineers for the hard and valuable work they have done for our future.”

In addition to the Albvorland Tunnel, Implenia is in charge of building the link to the Stuttgart-Tübingen line, the “Kleine Wendlinger Kurve”, and the GZA freight train link, which includes the 170-metre, single-track tunnel at the western portal of the Albvorland Tunnel in Wendlingen. “We’re pleased to be able to bring more good news with this part of the order. After seven months of drilling, we have made the crown breakthrough in the GZA construction project,” says Erwin Scherer, Global Head Tunnelling at Implenia. This work here is divided into the crown excavation and invert excavation. The crown work is more difficult, more sensitive to subsidence and more time-consuming. The invert excavation should be finished by the end of 2019, after which the inner skin will be made using in-situ concrete.

Tunnel boring machines WANDA and Sibylle in figures:

Basic facts about the tunnel boring machines

  • Pair of Herrenknecht earth pressure balance (EPB) shields, S-1024 and S-1025
  • Diameter: 10.82 metres
  • Total length of each tunnel boring machine: approximately 120 metres
  • Total weight of each tunnel boring machine: approximately 2,300 tons
  • Each tunnel boring machine is propelled forward by 14 drive cylinders/drive presses. Nominal thrust force: 71,000 kilo-newtons

Cutting wheel

  • Drive power: 4,400 kilowatt each
  • Number of cutting rollers: 52 + 4 centre cutting rollers each (59 tracks, double on outermost track)
  • Number of scrapers: 140 each
  • Weight: approximately 190 tonnes each

Tubbing data

  • Outside diameter: 10,500 millimetres
  • Inner diameter: 9600 millimetres
  • Tubbing thickness: 450 millimetres
  • Tubbing length: 2,000 millimetres
  • Heaviest rock: 10.5 tonnes

Source: Implenia



Milestone reached at major Albvorland Project, Implenia, celebrates, Breakthrough, southern, Tube, wanda, Tunnel, Boring, Machine

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30.10.2019 (971 Clicks)

QRC welcomes extra Land Release for Gas Exploration

The Queensland Resources Council (QRC) has welcomed the State Government’s announcement today that an additional 30,000 square kilometres of land in the Surat, Bowen and Galilee basins would be released for gas exploration.

 

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28.10.2019 (992 Clicks)

Glencore one of seven Mining, Metals Companies to partner on responsible Sourcing with World Economic Forum

The Mining and Metals Blockchain Initiative will pool resources and cost, increase speed-to-market and improve industry-wide trust that cannot be achieved by acting individually. It aims to be a neutral enabler for the industry, addressing the lack of standardization and improving efficiency.

 

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28.10.2019 (886 Clicks)

Boliden invests in electric Trolley in Aitik and Kevitsa

Boliden has decided to invest SEK 300 m with the aim of expanding electrified transportation in Aitik and implementing the corresponding technology in Kevitsa. Investments will be made mainly during 2020-2021.

 

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25.10.2019 (869 Clicks)

Salini Impregilo and Astaldi in Mobilinx Consortium awarded Construction Contract for Hurontario Light Rail Transit Project in Canada

Salini Impregilo and Astaldi, together with Canadian partners as members of the Mobilinx consortium, have been awarded a €917-million (about CAN$1.3-billion) civil construction contract by Infrastructure Ontario and Metrolinx for the Hurontario LRT (HuLRT). The complete Mobilinx team, which also consists of John Laing, Hitachi, Amico, Bot and Transdev, will design, build, finance, operate and maintain the HuLRT for a 30-year term.

 

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25.10.2019 (677 Clicks)

ABB commissioned gearless Mill Drives at Panama's newest Mine

First ore extraction is one month ahead of schedule at large open pit copper mine, Mina de Cobre, owned by First Quantum Minerals Ltd.

 

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22.10.2019 (864 Clicks)

Normet’s new Minimec introduces a comprehensive Concrete Spraying Experience in a compact Package

 

Normet Minimec enables safe and efficient concrete spraying operation even in the most confined places.

 

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Latest Articles

23.12.2022 

Doing well, doing goodDoing well, doing good

The Pula Group has embraced a dynamic model for corporate citizenship that provides a conceptual framework for crafting a strategy for a company “to do well, while doing good”. The model...  

#The Pula Group #Mining #environment protection

23.12.2022 

The Emscher Restoration Project: a real Success Story for Germany’s most populous StateThe Emscher Restoration Project: a real Success Story for Germany’s most populous State

For nearly a hundred years the Emscher served as an open wastewater channel that helped to kick-start the development of the Ruhr basin as a centre of industry in North Rhine-Westphalia. The river h...  

#Tunnelling #Supply tunnels #special civil engineering #hydraulic engineering

20.10.2022 

Energy-efficient and environment-friendly Tunnel Logistics with Automated Service VehiclesEnergy-efficient and environment-friendly Tunnel Logistics with Automated Service Vehicles

When it comes to supplying tunnel boring machines in drivages innovative Automated Service Vehicles (ASVs) can offer an effective alternative to conventional track-bound conveyances and Multi-Service Vehicles (MSVs). This article outlines the flexibility, efficiency and environment-friendly qualities of ASVs and describes how this has been put to good use at the Kerenzerberg safety tunnel in Switzerland and at the SKW2 Kühtai pumped storage plant in Austria....  

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GeoResources - Mining, Tunnelling, Geotechnics, Energy - News, Events and Journal
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World’s longest Railway Tunnel Project – supported by innovative Conveyor Digitalisation and reliable Engineering

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17. October 2022 (597 Clicks)

The consortium BTC Brennero Tunnel Construction and the Hosch Group jointly delivered on a world-class tunnelling project by combining excellent engineering with the innovative remote monitoring system Hoschiris Discover.  

#Brennero Tunnel Construction (BTC) #HOSCH-Foerdertechnik Recklinghausen GmbH #Tunnelling #Traffic tunnels #Conveyor technology #Digitalisation

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27. September 2018 (2680 Clicks)

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#RAG Aktiengesellschaft #Mining #underground mining #abandoned mining

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12.01.2023 (296 Clicks)

Europe’s largest Deposit of Rare Earth Metals is located in the Kiruna Area

LKAB has identified significant deposits of rare earth elements in the Kiruna...  

#LKAB #Mining #Energy #underground mining

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Webuild and CSC: "Lilia" TBM ready for mechanical excavation in the Brenner Base Tunnel

30.12.2022 (191 Clicks)

Webuild and CSC: "Lilia" TBM ready for mechanical excavation in the Brenner Base Tunnel

The TBM named "Lilia" is ready to start mechanically excavating one...  

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Implenia wins large and complex tunnelling project in Norway – E03 Boknafjord tunnel

07.01.2023 (164 Clicks)

Implenia wins large and complex tunnelling project in Norway – E03 Boknafjord tunnel

  • Joint Venture of Implenia and Stangeland Maskin selected to plan and ...  

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