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

01.06.2022 (346 Clicks)


Change of management at the BEUMER Group – Rudolf Hausladen is the new CEO (Credits: Beumer)
Change of management at the BEUMER Group – Rudolf Hausladen is the new CEO (Credits: Beumer) Change of leadership in the family-run BEUMER Group - Rudolf Hausladen is the new CEO

From 1st of June 2022, there is a change of leadership in the family-run company BEUMER Group, Germany. Rudolf Hausladen is the new CEO and succeeds Dr. Christoph Beumer, who has led BEUMER Group as CEO very successfully since 2000.  

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01.06.2022 (277 Clicks)

Epiroc aquires australian JTMEC (Credits: JTMEC)Epiroc completes Acquisition of Australian Mining Electrification Infrastructure Provider

Epiroc, productivity and sustainability partner for the mining and infrastructure industries, has completed the acquisition of JTMEC. The Australian company specializes in providing mines with electrical infrastructure, supporting the industry’s transition to battery electrification.   

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01.06.2022 (379 Clicks)

Volvo machine, an A30G articulated hauler, built using fossil-free steel was handed over from Volvo CE to NCC (Credits: SSAB)Volvo CE first in the World to deliver Construction Machine built using SSAB fossil-free Steel to Customer

Volvo Construction Equipment (Volvo CE) becomes the first manufacturer to deliver a construction machine built using SSAB fossil-free steel to a customer. This demonstrates the fast-tracking of innovation to real-world solutions as companies across the value chain come together to drive change.  

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31.05.2022 (446 Clicks)

Endomines to start Production at Pampalo Open Pit

Recently the gold price development has been very positive. Endomines has investigated possibilities to develop other parts and known gold deposits within the Karelian Gold Line area to increase gold production levels at the Pampalo mill.  

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24.05.2022 (325 Clicks)

Robbins TBM takes on karstic Limestone below St. Louis in the USA


The customized Robbins TBM is designed to detect karst and other underground features, with enhanced 360-degree probe drilling capabilities, as well as versatile ground support options. (Photo: Robbins)

The customized Robbins TBM is designed to detect karst and other underground features, with enhanced 360-degree probe drilling capabilities, as well as versatile ground support options. (Photo: Robbins)

Missouri Main Beam launches at Jefferson Barracks Phase 2

In Spring 2022, a specialized Robbins 4.1 m (13.5 ft) diameter Main Beam TBM launched in St. Louis, Missouri, USA, to complete a critical infrastructure tunnel for contractor SAK Construction. The machine, named “Mrs. Vera”, is boring Phase 2 of the Jefferson Barracks tunnel, a 3,050 m (10,000 ft) long tunnel in karstic limestone. Designed to detect karst and other underground features, the unique machine comes equipped with enhanced 360-degree probe drilling capabilities, as well as versatile ground support options including McNally crown support, wire mesh, ring beam erector and roof drills.

“The overall design of the machine is a good fit for our project, not only for the mining aspect but also for the capability to run two probe drills in multiple locations around the TBM,” said Brotherman Bragg, Project Superintendent for SAK Construction. “The challenges I anticipate during tunneling are mostly related to ground conditions. The area that we are tunneling in has a potential for karst features. The probe drills are our lifeline and with the two probe drills on the machine, I believe that we will find out what’s in front of us before we get there, giving us the ability to take care of potential problems.”

During Phase 1 of Jefferson Barracks, a rebuilt 3.35 m (11.0 ft) diameter Robbins Main Beam TBM hit challenging conditions about 2,400 m (7,900 ft) into tunneling. The machine encountered a large vertical feature along with flowing and unstable ground that required the TBM to remain in place. While various options including ground freezing were considered, they were ultimately deemed infeasible.

A 62 m (205 ft) deep recovery shaft and 60 m (200 ft) long adit were built to stabilize the area and remove the machine in what would be an intensive and ultimately successful undertaking. After recovery of the machine, SAK Construction turned to Robbins for a solution to bore the remaining tunnel in what would become Phase 2 of the project.

SAK and Robbins agreed to do extensive in-shop testing of the new, larger TBM to ensure there would be no unnecessary delays on site. The TBM was ultimately delivered a couple months late due to both Covid-related matters and the additional in-shop testing. SAK operational personnel and Robbins personnel were heavily involved in final assembly and testing procedures.

After arriving in St. Louis, the TBM was swiftly assembled and launched from the recovery shaft.

“The Robbins Field Service techs have been excellent in their support, helping us assemble the machine, and troubleshoot the machine. Our challenges during the assembly and launch from the shaft were minimal – this is the fastest and most efficient assembly we’ve ever had on a machine. We assembled the TBM in four weeks, which was a huge hurdle,” said Bragg.

“The overall design [of the TBM] is very functional and thus far in the early stages it seems to be mining very well,” continued Bragg. “So far, I’m very pleased with the machine and with the technicians.” Early indications were good, with the machine advancing 21 m (70 ft) in its first two shifts after launch.

The Jefferson Barracks project is a key component of MSD Project Clear, a massive USD $6 billion program undertaken by the Metropolitan St. Louis Water District to target water quality and wastewater concerns in the city and surrounding areas. The 5,400 m (17,800 ft) long, 2 m (7 ft) internal diameter Jefferson Barracks tunnel runs parallel to the Mississippi River and extends to the Lemay Wastewater Treatment Plant located at the confluence of the River des Peres and the Mississippi. The tunnel is slated for completion in Autumn 2023.

Source: Robbins

 

#United States (US) #limestone #Robbins Company #SAK Construction, LLC #Tunnelling #tunnel boring machines (TBM)

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Latest Articles

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 

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 

World’s longest Railway Tunnel Project – supported by innovative Conveyor Digitalisation and reliable EngineeringWorld’s longest Railway Tunnel Project – supported by innovative Conveyor Digitalisation and reliable Engineering

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. System integration in May 2021 has effectively prevented any instances of serious belt damage. Moreover, service missions have become more efficient and can be scheduled on-demand....  

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

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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

World’s longest Railway Tunnel Project – supported by innovative Conveyor Digitalisation and reliable Engineering

17. October 2022 (606 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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Books / Bücher
RAG-Technikchronik - Buch 6: Management- und Bildungssysteme für technische Prozesse

RAG-Technikchronik - Buch 6: Management- und Bildungssysteme für technische Prozesse

02. April 2019 (2856 Clicks)

Das Buch 6 der Reihe „Dokumentation der technischen Entwicklung bei der RAG“ stellt die Entwicklung der Management- und Bildungssysteme für technische Prozesse, also z.B. zur Effizienzsteigerung, zum Arbeits-, Gesundheits- und Umweltschutz sowie zur Ausbildung und beruflichen Fortbildung, bei der RAG dar.  

#RAG Aktiengesellschaft #Mining #underground mining #abandoned mining

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IVGeobaustoffe, Geokunststoffe, Wasserbau, Straßenbau, Verkehrswegebau, Straßenoberbau, Asphalteinlagen, Erd- und Grundarbeiten, Umwelttechnik, Deponiebau, Eisenbahnbau, Geotextil
moduscom unternehmenskommunikation - die etwas andere Art der Werbe-Dienstleistung
IVGeobaustoffe, Geokunststoffe, Wasserbau, Straßenbau, Verkehrswegebau, Straßenoberbau, Asphalteinlagen, Erd- und Grundarbeiten, Umwelttechnik, Deponiebau, Eisenbahnbau, Geotextil
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