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

09.09.2021 (350 Clicks)

Critical Minerals Explorers connect the Dots to Investment Opportunity

Vital conversations on maximising Queensland’s investment potential through development of Queensland’s burgeoning critical minerals industry are on the agenda today at an inaugural mining and exploration event run by the Queensland Exploration Council (QEC) - QE Connect Lunch Series. 

 

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09.09.2021 (370 Clicks)

Setting the Anchor on Poland’s Baltic Coast - fischer heavy-duty Fixings secure Świna Tunnel


Poland's longest underwater tunnel thus far, the Świna Tunnel, is currently being built between the islands of Uznam and Wolin in the city of Świnoujście. The tunnel below the river Świna will strengthen the coastal region through improved infrastructure connections to the rest of the country and the world. More than 50,000 chemical and steel heavy-duty fixings by fischer have been used to reinforce the tunnel.

The fixing expert will support the project with its products and service skills until its successful completion. The city of Świnoujście is currently building the new Świna Tunnel in order to improve transport links between the islands of Uznam and Wolin while connecting the coastal region more closely with the rest of Poland and the world. The project is expected to be completed in late 2022 and to be opened in 2023. An emergency tunnel is being built parallel to the two-lane 12-m-diameter tunnel. The road tunnel will span a total of 1.8 km and cross below the river Świna, a river connecting Szczecin lagoon with the sea and running between the two districts of Świnoujście located on the islands Uznam and Wolin. The Świna Tunnel will be Poland’s longest underwater tunnel yet. It will also be part of Poland’s S3 expressway connecting the north to the south over a span of 500 kilometers from the western part of Świnoujście on the island of Uznam to Lubawka in Silesia on the Czech-Polish border. 

The Świna Tunnel is being excavated by a TBM (tunnel boring machine) over approximately 1.5 kilometers. Further tunnel sections will be completed using the cut and cover method, during which the excavation and construction are carried out under a cover cast on slotted walls. This construction method allows the excavation pit to be reinforced and the corresponding surface above the launch shaft on the islands of Uznam and Wolin to be used. fischer heavy-duty fixings are being used to reinforce the tunnel after the TBM work is completed. The chemical fixing systems and steel anchors fasten the reinforced concrete supporting structure. This required extreme anchor depths of up to 550 mm with rods measuring M16 and M30 in diameters in order to connect the reinforced concrete shell after the TBM operation. Platforms and struts for the launching shafts were additionally secured with the fixing solutions. 

“Our products fulfilled the demands and requirements of the project. Our heavy-duty fixings allowed us to stand out from the competition and offered our client additional useful services”, emphasizes Oliwer Pietrzak, sales representative from fischer’s subsidiary in Poland responsible for the project. “We began offering our consultation services before the work started. Our services included planning and designing the fastenings in the process of working together with the construction firm, which allowed us to subsequently fully utilize our products’ potential. We also offered ongoing technical advice and support on the construction site”.

The professional fischer solution FIS EM Plus was used in particular. Together with its system components, this injection mortar permanently and safely transfers heavy loads into concrete even under the most extreme of conditions such as during earthquakes, in water-filled boreholes and in the event of fire. FIS EM Plus’s two European Technical Approvals (ETAs) and its ICC approval for the USA and countries in the Far East comprise fastenings in concrete in addition to post-installed rebar connections. FIS EM Plus also has an assessed service life (ETA) of 100 years. The Stuttgart engineering office IEA has furthermore certified that anchorages with the fischer FIS EM Plus have a service life of 120 years. It is the first injection mortar ever to be awarded this durability, an advantage during infrastructure projects like the Świna Tunnel which rely on a long service life.

The fischer FIS SB superbond mortar was also used together with system components. With its silane technology, the fixing system achieves a high bond stress resilience for a strong performance and a high level of security confirmed by its ETA for concrete and seismic loads. The variable anchoring depths of the injection mortar optimize the installation time and use of materials. Other mechanical anchoring solutions are also being used, including the fischer bolt anchors FBN II and FBZ as well as fischer concrete screws. 

More than 50,000 fischer fixing solutions have been used on the Świna Tunnel project so far. The fixing expert will continue to support the client with products and services until the project's expected successful completion in summer of 2023.

Source: fischer



Setting, Anchor, Baltic, Coast, fischer, heavy-duty, Fixings, secure, Świna, Tunnel, FISCHER GROUP, Poland, anchoring, technique, Tunneling, Infrastructure, Underwater, TBM, Cover, construction

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08.09.2021 (411 Clicks)

DMT Group Explores Europe’s Geothermal Energy Potential in Development of the European Green Deal

DMT GROUP, a global engineering and consultancy group, is playing a central role in efforts to explore Geothermal energy potential across north-west Europe. DMT is providing expertise in seismic measurement, boreholes and data evaluation to further the ambitions of the European Green Deal.

DMT is committed to working with partners across Europe to harness the region’s untapped renewable energy source and foster the expansion of deep geothermal energy as an environmentally friendly resource. DMT’s work is currently supporting the “Geothermal Paper Drying” research project and the “Deep Geothermal Energy Rollout in North West Europe” (DGE-ROLLOUT).

 

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07.09.2021 (450 Clicks)

HUESKER implements first high-performance Robot

- Robotics for more productivity, flexibility and best working conditions

Automation with robots has long since found its way into many sectors. One of the world's leading manufacturers of technical high-performance textiles for civil engineering, agriculture, industry and lightweight construction, the HUESKER Group, recently discovered the advantages that robotics can also make in niches. Together with ABB, a pioneer in robotics and automation, HUESKER developed a prototype that is not available off the shelf, which is specifically used for handling and palletizing heavy yarn reels - a relief for the employees in yarn production.

 

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07.09.2021 (387 Clicks)

Berco extends Mining Range for plus 200-ton Excavators with first-to-market Undercarriage Components

Berco, a global leader in the manufacturing and supply of undercarriages and components to OEMs and the Aftermarket, has reached another milestone with the launch of its complete undercarriage replacement range for the Cat 6020B Hydraulic Mining Shovel. Developed specifically for the high-quality demand mining segment of the Aftermarket, this is the first ‘non-captive’ range available to purchase. This means that aside from CAT, Berco is the only company currently capable of providing a full and significantly more affordable variety of undercarriage replacement components for this particular machine.

 

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06.09.2021 (274 Clicks)

Climate-friendly Solutions for all Kinds of Mobility – Bosch is generating Sales of more than one Billion Euros with Electromobility

In electromobility, no other company offers as many options as Bosch: from e-bikes to construction machinery, and from silicon carbide chips to pre-integrated e-axle modules. And this is paying off: in electromobility, Bosch is growing twice as fast as the market, and will generate more than 1 billion euros in sales this year. This business is continuing to gain speed.

 

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06.09.2021 (347 Clicks)

Datwyler: Further Specialisation in system-critical Elastomer Components - Sale of Reichelt

With the sale of the online distributor Reichelt to Invision, Datwyler will now be specialising solely in system-critical elastomer components. The deal is due to be completed in the autumn. In the forthcoming phase, Datwyler will be focussing on organic growth and targeted acquisitions to strengthen existing business.

 

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03.09.2021 (501 Clicks)

Sandvik launches 15-tonne Toro LH515i underground loader

Sandvik Mining and Rock Solutions is launching a new, higher-capacity 15-tonne size class loader as a next generation model for the current 14-tonne Sandvik LH514.

The 15-tonne Toro™ LH515i has one tonne greater capacity than its predecessor, yet it is designed to operate within the same footprint. This new member of the Toro family has been redesigned from the ground up, leveraging all of the benefits of its predecessor, while improving the design based on customer feedback.

 

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02.09.2021 (365 Clicks)

Epiroc appoints Charlotta Grähs as new General Counsel

Epiroc has appointed Charlotta Grähs as Senior Vice President General Counsel and member of Group Management, effective not later than March 1, 2022. Charlotta Grähs will succeed Jörgen Ekelöw, who will retire.

 

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31.08.2021 (429 Clicks)

Dust-, spillage- and maintenance-free Skirtings supplied for Conveying in the Mining and Processing Industries

Companies whose daily operations include extraction, processing, crushing and screening of materials are familiar with the problems at the transfer points in conveying systems, such as nuisance dust generation, disruptive material spillage, costly belt wear, maintenance work that impedes operation and constant cleaning required. Even conventional chute skirtings or conveyor belt skirtings do not help to overcome these problems. For more than 8 years already, ScrapeTec from Kamp-Lintfort, Germany with its specific products has been providing effective solutions to all these problems. ScrapeTec products as e.g. AirScrape, DustScrape and TailScrape are applied individually or in combination and serve as side skirtings or belt skirtings, for example. They are used by large and small companies – in many countries around the world. Also in Chile and Peru.

 

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J. D. Theile GmbH & Co. KG
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23.12.2022 

Doing well, doing goodDoing well, doing good

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23.12.2022 

Sustainability in Construction – Closing the Loop for GeosyntheticsSustainability in Construction – Closing the Loop for Geosynthetics

Geosynthetics have been used in various geotechnical applications for several decades now. Solutions with geosynthetics contribute to the conservation of granular materials and to a reduction.

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06.02.2023 -

Indaba 2023


07.02.2023 - 09.02.2023

UCT 2023 - 28th Annual Underground Construction Technology


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GEOAFRICA 2023


26.02.2023 - 01.03.2023

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17. October 2022 (597 Clicks)

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Liederbuch für Berg- und Hüttenleute - das Original - modern überarbeitet!

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

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