Project EUROSWAC, led by Électricité de France (EDF) -lead research for using sea water for air conditioning has planned to try it out for the Channel Tunnel between England and France. But the COVID_19 came in between. If...

https://www.youtube.com/watch?v=nPB5orpZumY Engineers from German company Maidl Tunnelconsultants GmbH & Co. KG will be presenting the webinar for CBT - Comitê Brasileiro de Túneis (Brazilian Tunneling Committee). The webinar...

Korea Institute of Construction Technology (KICT) develop a Tunnel Boring Machine simulator. With simulator, TBM operator systemically train on various scenarios such as ground being pushed into the tunnel or rock or soil that obstruct...

Stability of rectangular tunnel in cohesionless soils Puja Dutta, Paramita Bhattacharya Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur,...

Interesting article. You can read the full article, as it has been released by the authors and Elsevier under Creative Commons CC-BY license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is...

Any cracking segments? Crack Width Simulation and Nonlinear Finite Element Analysis of Bursting and Spalling Stresses in Precast FRC Tunnel Segments Under TBM Thrust Jack Forces   Mehdi Bakhshi   AECOM New York...

Universities in China produce high quality steel alloy hard rock TBM cutter ring. Tsinghua University, Yantai University and China Railway Engineering Equipment Group Co., Ltd together project "Super-hard rock wear-resistant hob cutter ring...

  Hongsu Ma, CNNC Key Laboratory on Geological Disposal of High-level Radioactive Waste, Beijing Research Institute of Uranium Geology, Beijing, China Ju Wang, CNNC Key Laboratory on Geological Disposal of High-level Radioactive Waste,...

Is it marketing only? "the geological exploration AI (artificial intelligence) management system which will be used during construction has functions of full monitoring of the drilling...

Abstract: After nearly two centuries of development, the tunnel boring machine (TBM) has become increasingly mature in technical performance, [JP2]reliability, adaptability and other aspects. However, for large deep-buried tunnels, long tunnels,...

  Korea Institute of Construction Technology  (KICT) a government funded research institute under the National Research Council of Science & Technology of the Ministry of Science and ICT develop and commercialize a new generation...

    Contribution on the understanding of EPB-TBM drives in complex geologic structures   Sinan Acun KKC Marmaray Construction JV, İstanbul, Turkey Nuh Bilgin İstanbul Technical University, İstanbul, Turkey Ulaş...

The reason for the subsidence of houses near the Willem Alexander tunnel in Limburg region of The Netherlands is the peat underground. Limburger writes that "at least" 32 houses in Heer of Maastricht had subsided after the construction...

Analysis of calculation of fresh-air demand for road tunnel ventilation design in China XuWang Southwest Jiaotong University, Faculty of Civil Engineering, Chengdu 610031, China Key Laboratory of Transportation Tunnel Engineering, Ministry...

https://www.youtube.com/watch?v=Drp6uwQRKVI This British Tunnelling Society presentatino from 3 September is about the Tamoios Highway (Brazil) construction with tunnels and viaducts. Presented by : Pedro Soares dos Anjos (Project Engineer,...

Academic article from Iran for Disc Cutter wear. Study of common wear prediction models for hard rock TBM disc cutters and comparison with field observation in Kerman water conveyance tunnel   Karami, M., Zare, S. Faculty of Mining,...

Fine weekend reading.  Another good bog from Robbins. https://www.therobbinscompany.com/grout-or-not/

Robbins blog. Enjoyed reading it. https://www.therobbinscompany.com/3-ways-to-bore-hard-rock/

Free (full) access: Pressure Distribution in the Mixing Chamber of an EBP Shield Adam Bezuijen (UGent) and Guenther Meschke https://biblio.ugent.be/publication/8675880

You may want to read this regarding tunnel safety against terror attacks or other explosions. You are also welcome to join the group! https://tunnelcontact.com/discussion/view/23707/blast-vulnerability-of-drop-ceilings-in-roadway-tunnels