Once upon a time in Scotland. https://www.bdonline.co.uk/news/building-archives-first-proposals-for-the-glasgow-subway-1887/5122056.article

A mammoth report from New York University’s Transit Costs Project makes a good case that the numbers are indeed astronomical, and there’s something we can do about...

Hello colleagues, I would like to poll. To your opinion, which company produces the highest quality disc cutter? Thank you.

Whereabouts of Herrenknecht Jet from public domain information.   Aircraft: Embraer 505 Phenom 300     Serial #: 50500419  Reg: D-CHMD Photo taken in Oct 16, 2022 by T. Rosskopf at München Franz Josef...

After a project time extended to almost 15 years and more than doubled cost (from 1,4 Billion euros to 3,1 Billion euros) and some 17th century buildings sunk as a result of somewhat sloppy Tunnel Boring Machine operation, CNN looks at the bright...

Paper in English. It is useful in general for tunnel operations work. In English and full text open without paying. Operational And Maintenance Features Of The Sv. Tri Kralja Tunnel Zvonimir Deković Boris Cviljak Igor...

Two Spanish transport executives have been fired after a train fiasco that saw the design of 31 trains that were too big for the tunnels on the line where they would...

  A 1:87 scale model of a Gripper TBM model is for sale at Railway Model Store. It is very cute, isn't is? I think it is. It costs £299.95 incl VAT. `Some assembly required`, basically gluing a few parts. Obviously there is...

https://www.youtube.com/watch?v=Bt1p3_lLxQ0

https://www.youtube.com/watch?v=nLol0YLSbpM

https://www.youtube.com/watch?v=TXp92YF62jw

  Interesting to know. https://www.rferl.org/a/ukraine-war-soledar-tunnels-russia/32222574.html #RussiaInvadedUkraine    

The Suez Canal tunnel construction scheme is the largest tunnel project in the history of Egypt and the Middle East. https://see.news/heres-all-on-suez-canal-tunnel-construction-project

A friend of mine forwarded this to me. Sandvik describes it as "Sandvik DT821-SC is a two boom electro-hydraulic jumbo for fast and accurate drilling in tunneling and cavern excavation. The hydraulic controlled drilling system with added...

Regards, Keith.

I wish everyone happy 2023 E.Kadar

  or, Hyvää uutta vuotta! as we say in Finnish. I would be interesting to see this greeting in own language. Happy 2023 and beyond!

This article about tunnels and bridges crossing Istanbul Strait in Turkey. https://www.kadn.com/features/the-gigantic-tunnels-and-bridges-linking-asia-to-europe/article_9abce43b-b47a-5c9a-bb38-36e1470998bf.html

CNN gives Singapore as exemplary nation for using underground space. https://edition.cnn.com/2022/12/21/world/underground-development-singapore-dtss-tnf-spc-intl/index.html

Interesting article. https://www.newcivilengineer.com/opinion/editors-comment-tunnelling-projects-show-that-a-long-term-infrastructure-view-is-needed-22-12-2022/