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23. Kolloquium Bohr- und Sprengtechnik 2023

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

24.11.2022 (171 Clicks)

Anglo American collaborates with Aurubis on sustainable Copper Value Chain (Credits: Anglo American)Anglo American collaborates with Aurubis on sustainable Copper Value Chain

Anglo American has signed a memorandum of understanding with Aurubis AG (“Aurubis”) – a global provider of non-ferrous metals and one of the world’s largest copper recyclers – to develop a copper product offering that responds to increasing expectations for future-enabling metals that are sustainably sourced and supplied.  

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24.11.2022 (143 Clicks)

8th Edition of ITA Tunnelling Awards - 4 finalists in the category of Project of The Year


8th Edition of ITA Tunnelling Awards - 4 finalists in the category of Project of The Year (Credits: ITA)

8th Edition of ITA Tunnelling Awards - 4 finalists in the category of Project of The Year (Credits: ITA)

The 8th edition of the ITA Tunnelling and Underground Space Awards returns this December in digital. Since 2015, the international competition seeks and rewards remarkable achievements in tunnelling and the underground industry. Organized by the International Tunnelling and Underground Space Association, the event both showcases the most ambitious underground projects all over the world as well as the latest innovations, techniques, and methods in tunnelling.
One of the categories of the competition is focused on rewarding the Project of the Year (between 50 and €500M). Amongst all of the projects submitted for this category, the panel of judges identified 4 finalists this year.

Sub sea rock tunnels Faroe Islands – Faroe Islands

Eystur- and Sandoyartunnlar – two sub sea tunnels in one project in the Faroe Islands, being excavated fully in rock. The Faroe Islands; an archipelago of 18 islands in the Atlantic Ocean N of Scotland and W of Norway, a basaltic sub-continent separated from their surroundings. There are 22 road tunnels in use in the islands, incl. 2 older subsea road tunnels, and 2 new sub sea tunnels, the Eystur- and Sandoytunnlar that have recently been completed. Current plans for tunnels mean each inhabitant will have appr. 2 metres of tunnel. Few nations, if any, can match this. Eystur- and Sandoytunnel, are 11,3 km and 10,9 km long respectively, reaching to 190 m below the sea level. Whilst Eystutoytunnel entered into operation on the 19th of December 2020 the tunnel breakthrough in Sandoytunnel took place in early February 2022. The project owner is Eysturoy- and Sandoytunnlar pf, a limited company given concession by the Faroese Parliament to design, construct and operate the project based on a small start-up capital by the government and carrying the construction investment by loans. The construction work was awarded the contractor NCC late 2016, and the first tunnelling works commenced early 2017. The figures are impressive by themselves, only one sub sea road tunnel of its kind and with similar length exists at present worldwide. However, the main issue in this particular project comes along with the positivism that these tunnels originate in the general public. The tunnels, in combination with 2 existing (but shorter) subsea tunnels enable a ferry free connection of all the islands in the Faroe Islands, with one exception. Hopefully, the success of these two new tunnels and the experience gained will provide courage to prepare for an even longer tunnel in the future, namely to the last island (Suduroy) which would be an appr. 25 km long sub sea tunnel. For 50,000 inhabitants the two tunnels are a major investment. The total construction cost has a value per capita which is 8 times or more compared to benchmark projects like Femern, Storebælt, Rogfastand or Eurotunnel.
Engineering firms: SINTEF Community / Norconsult / Landsbyggifelagid
Contractors: NCC
Cost: 2.65 billion DKK
Technical information: 2 Tunnels 10.9 km and 11.3 km long

Tunnel Project of Baoji- Pingkan Highway – China

The route of Baoji Pingyuan expressway starts from Baoji City, ends at Pingkan, Feng County of Shaanxi Province. Tiantaishan tunnel is located between Baoji South interchange and Tianba interchange of Baoping expressway, with a total length of 15.5 km. The tunnel adopts two inclined shafts and one vertical shaft for longitudinal ventilation. The No.1 inclined shaft is 915.7 m long with a longitudinal slope of -40.175%; The No.3 inclined shaft is 1753.7 m long with a longitudinal slope of-13%; the shaft is 564.7 m deep with a diameter of 8.5 m, Tiantaishan tunnel is the controlling project of Baoping expressway, with a total cost of RMB 2.676 billion. The project was started in November2016 and completed in August 2021, taking 4 years and 10 months. The project is handed over for tunnel opening in August 2021.
Engineering firms : First Highway Consultants Company
Contractors : China Railway First Bureau Group Co., Ltd., CCCC Second Highway Engineering Bureau / Co., Ltd.,China Railway 12th Bureau Group Co., Ltd., China Railway 11th Bureau Group Co., Ltd
Cost : 2.676 billion yuan
Technical information : The left tunnel of Tiantaishan tunnel is 15483m long and the right tunnel is 15560m long / The sectional area of the tunnel is 98.84m2

World’s first spiral excavation using H&V Shield Tunnelling – Japan

The Tachiaigawa River’s Rainwater Discharge Pipe Project aims to reduce damage from flooding in the vicinity while at the same time improving the quality of the water that flows directly into the Katsushima Canal through the existing sewerage by constructing two 775 m long, 5 m inner diameter sewage pipelines underneath the Tachiaigawa river in Shinagawa Ward, Tokyo. It is inevitable to face various restrictions and difficulties when planning large-scale infrastructure projects in Tokyo, one of the most densely populated cities in the world. This project was strictly restricted in its tunnel alignment along the route both horizontally and vertically due to the narrow width of the river coupled with the existence of the underground structures of the sewerage facilities. Thus, to cope with these restrictions, the H&V Shield Tunnelling Method (Horizontal to Vertical) was adopted, which is capable
of simultaneously constructing two adjacent tunnels in a spiralling manner by two inter-connected TBMs. The main reasons are to reduce damage from flooding in the vicinity and to improve the quality of the water in the river basin and canal. Two newly constructed discharge pipelines assure the safety and security of the community by reducing the damage from flooding in the vicinity as well as economic loss in the future while at the same time improving the water quality in the basin.
Engineering firm : NIHON SUIKO SEKKEI Co., Ltd.
Contractors: Shimizu Corporation
Cost: 140M €
Technical information: 775 m x 2 / 5.85 m x 2 (diameter)

Xiamen Metro Island-Xiang’an Cross-sea Tunnel - China

The Xiamen Metro Island-Xiang’an Cross-sea Tunnel is the southwest-northeast link between Xiamen Island and Xiang’an East Sub-center. It is mainly the sea-crossing traffic link between the Island and circum-bay cluster, and also a part of the public traffic network inside and outside theIsland. The Xiamen Metro Island-Xiang’an Cross-sea Tunnel considerably alleviates the trafficcongestion on the routes to and from the Island and is an important step to promote regional development and coordinated economic development of Xiamen. The air shaft foundation pit is sized 33.9mx22.4mx43m (LxWxD). The underground diaphragm wall is 48.7 m deep and embedded rock 14 m deep. Trench construction is difficult if conventional technology is used. The tunnel is 6.5 km long in total and its undersea section is 3.64 km long. It is the controlling project for Xiamen Metro Line 3.
Engineering firms: Guangzhou Mass Transit Engineering Consultant Co., Ltd/Holsin Engineering Consulting Group Co., Ltd. Consortium
Contractors: China Railway Tunnel Group Co., Ltd.
Cost: 425 million euros
Technical information: the Xiamen Metro Island-Xiang’an Cross-sea Tunnel is 6.5km long, including 3.64km undersea section.

Registration open

The digital awards event will take place from December 5 to 7. The winners will be announced and celebrated on December, 7th 2022.
Register free for a 3-day content rich program

About the International Tunnelling and Underground Space Association

The International Tunnelling and Underground Space Association (ITA) is a non-profit and non-governmental international organization that aims to promote underground space's use as a solution to sustainable development. Founded in 1974 and operating out of Lausanne, Switzerland, ITA currently associates with 78 Member Nations, 300 affiliated members, 15 Prime Sponsors and 60 supporters.

Source: ITA

 

More information on ITA Tunnelling and Underground Space Awards:   

#ITA-AITES #immersed tunnel #United Kingdom (GB) #Norway (NO) #Japan (JP) #China (CN) #awards #events #online event #NCC AB #Tunnelling

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24.11.2022 (151 Clicks)

Below ground: Diaphragm wall works for metro expansion in Indian metropolis (Credits: Bauer Group)Below ground: Diaphragm wall works for metro expansion in Indian metropolis

A pulsating metropolis with millions of inhabitants, a port city and capital of the Indian state of Tamil Nadu – that's Chennai. As with many large cities in India, the city has experienced rapid population growth in recent years. The need for infrastructure is correspondingly high as a result. One solution to deal with the high traffic volume in the heavily built-up city is to move it underground. The Chennai Metro was opened in 2015 and so far has two lines with a total length of approx. 46 km. Now the network is to be expanded. Phase 2 of the extension includes the Chetpet Metro Station, a major project, what started in April of this year. As part of this project, Bauer Engineering India Pvt. Ltd., a subsidiary of Bauer Spezialtiefbau GmbH, was tasked with execution of the required diaphragm wall work.  

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23.11.2022 (158 Clicks)

Anglo American secures Desalinated Water Supply for Los Bronces Copper Mine in Chile (Credits: Anglo American)Anglo American secures Desalinated Water Supply for Los Bronces Copper Mine in Chile

Anglo American has secured desalinated water supply for its Los Bronces copper mine in Chile from 2025 – following the signing of an agreement with Aguas Pacífico, a Chilean water desalination and solutions provider – meeting almost half of the mine’s water requirements.  

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22.11.2022 (194 Clicks)

 BAUER AG acquires all shares in fielddata.io GmbH (credits: fielddata.io) BAUER AG acquires all shares in fielddata.io GmbH

Bauer AG has acquired all the shares in fielddata.io GmbH. This means that all digital solutions which the software provider develops in the field of specialist foundation engineering will be available in the future exclusively for the customers of Bauer Maschinen GmbH and Bauer Spezialtiefbau GmbH.  

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F. Willich GmbH + Co. KG
Latest Articles

23.12.2022 

Focus on Responsibility – from inner ConvictionFocus on Responsibility – from inner Conviction

Taking responsibility as a result of inner conviction – in both private and professional contexts – helps us cope with today’s immense personal and societal challenges.

...  

#Mining #Tunnelling #Geotechnics #Energy

23.12.2022 

Practical Examples of Concrete Logistics in Shaft Sinking – a real Challenge for Transport and Handling OperationsPractical Examples of Concrete Logistics in Shaft Sinking – a real Challenge for Transport and Handling Operations

Like steel, concrete is a vital material for shaft construction work and is needed in practically every undertaking of this kind. This paper examines the special aspects associated with the use of c...  

#REDPATH DEILMANN GmbH #RAG Aktiengesellschaft #K+S AG #Slavkaliy GmbH #Mining #underground mining

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....  

#Virturail GmbH #Tunnelling #Traffic tunnels #Machinery for Mining and Construction #battery-electric vehicles #tunnel boring machines (TBM)

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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 (601 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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12.01.2023 (313 Clicks)

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

#LKAB #Mining #Energy #underground mining

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07.01.2023 (203 Clicks)

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

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