On the Elbe, construction of a new Elbe tunnel for the district heating pipeline in Hamburg's north officially started. A large diaphragm wall excavator has carried out the first excavations of the starting shaft on the south bank of...
The cutterhead for the TBM that will bore London’s 1.4km long twin-lane Silvertown Tunnel has been lowered into the start shaft in preparation for boring to commence on the first tube later this...
Free read. No money wanted.
Landslide-tunnel interaction mechanism and numerical simulation during tunnel construction: a case from expressway in Northwest Yunnan Province, China
Jiawei Fan ( China Academy of Railway Sciences, Beijing,...
Free read. No money wanted.
Influence of New Energy Materials on Dynamic Interaction between Surrounding Rock and Structure of Heavy-Duty Railway in Small Clearance Crossing Tunnel
Xiaotian Hao1,2 and Hailong Wang 1,3
1 School of Traffic...
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Interfacial Behaviour of Shield Tunnel Segment Strengthened by Thin Plate at Inner Surface
Dejun Liu ,1,2 Yihao Guo ,1 and Xiaoyun Yao 1
1 State Key Laboratory of Coal Resources and Safe Mining, China University...
Safety Evaluation of Subway Tunnel Construction under Extreme Rainfall Weather Conditions Based on Combination Weighting–Set Pair Analysis Model
by Ping Liu, Yu Wang, Tongze Han *, Jiaming Xu and Qiangnian Li
School of Civil Engineering,...
Study on Optimization of Initial Support for a Tunnel in the Fracture Zone Based on the Strength Reduction Method
by Ke Ding, Lianguo Wang *, Bo Ren, Shuai Wang and Chongyang Jiang
State Key Laboratory for Geomechanics and Deep Underground...
Two TBMs are on their way to begin work on the major tunnels for the project. Each machine will be 90 m long, with a diameter of 15.6 m and an approximate weight of 4000...
"Several Trimble instruments are being used on the project including the Trimble SX12, S5, and S7 total stations, X7 laser scanner, TSC7 controllers, and TDC600 smartphones. The team is also using Trimble Access™ and Trimble Business...
Numerical analysis of tunneling influences progress on soft clay bearing a raft foundation
Waad Abdulsattar Zakaria, Hassan Obaid Abbas
Department of Civil Engineering, College of Engineering, Diyala University, Baquba,...
Ex Prime Minister from Labour, Alfred Sant criticizes those who are against the development in Gozo but at the same time support the Malta - Gozo tunnel.
https://newsbook.com.mt/en/sant-criticises-gozo-tunnel-and-runway-plans/
Design and Optimization of Tunnel Boring Machines by Simulating the Cutting Rock Process using the Discrete Element Method
Comp. y Sist. [online]. 2013, vol.17, n.3, pp.329-339. ISSN 2007-9737.
Nowadays there is a large number of tunneling...
Why such a contract is given to solely on a German company with no Indian partner?
https://urbantransportnews.com/news/siemens-bags-signaling-and-telecommunication-contract-for-kolkata-metro-line-3-6
Gulermak - Sam India Builtwell commissioned tunnel boring machine S92 on 8 August) at Bada Chauraha Station to start boring for the first 3.619 km underground section of the 32.4 km Kanpur Metro Phase 1 project, writes...
12 / 8 / 2022
Press notes
Construction work starts in August on 83km of railway lines in Southern Italy
Works worth more than 3 billion Euros are now underway for the construction of the Hirpinia-Orsara-Bovino...
The Tesla and SpaceX CEO has just received approval from a Southern California city to start building a two-mile underground tunnel...
https://www.thewrap.com/elon-musks-boring-company-gets-green-light-to-dig-underground-tunnel/
Originally started in 2007. Work given to Nevskaya Concession Company (NCC) without tender. This company allegedly associated with businessman Vitaly Yuzhilin. Company got 1,2 billion rubels prepayment but did not deliver. Money lost. It...
The underground excavation industry is exploring mini robots, plasma torches, and superheated gas to replace the massive boring machines now in use.
https://www.wired.co.uk/article/future-of-digging-tunnels
Rock-cutting and wear performance of a novel TBM disc cutter with spiral grooves
A new TBM disc cutter with surface spiral grooves is proposed.
Tunnelling and Underground Space Technology
Volume 129, November 2022, 104660
Zhang...