German company Schwamborn manufactures products which are used on the surfaces of buildings. Especially one model is getting more and more popular for the tunnel works: The wall and ceiling grinding machine WDS 530.
Schwamborn WDS 530...
authors Nogales Arroyo, Alejandro, Fuente Antequera, Albert de la
Universitat Politècnica de Catalunya. Doctorat en Enginyeria de la Construcció
Universitat Politècnica de Catalunya. Departament d'Enginyeria...
SK E&C develop world’s best tunnel-blasting technology called ’SUPEX-Cut’ through continued investment in technology. SK E&C has “Orchestra Blasting Method” enables efficient large-scale tunneling...
There is this talk of Elom Musk's "Boring Bricks". They are supposedly to be "bricks made from tunneling rock", "log-like interlocking units", "eventually carved from rocks excavated in tunneling...
https://www.youtube.com/watch?v=3jmLwTqjsDs
Herrenknecht is a leader in Tunnel Boring Machines. But less known is they also build shaft boring machines. They are used mainly in mining industry but also from time to time for tunnelling...
https://www.youtube.com/watch?v=o2RL1PFACLA
The TBM has been lowered to the shaft for Cosider Travaux Publics which is responsible for extension of the Al-Cazair subway in Oued Smar, in the center of the city of Al-Cazair (Algiers). The placement...
UK tunnelling contractor Barhale comes up with an innovative tunnel boring machine design to tackle the complications of tunnelling in tight spaces. Barhale calls it "collapsible shield".
Read...
Advanced prediction of tunnel boring machine performance based on big data
JinhuiLi a, Pengxi Li a, Dong Guo a, Xu Li b, ZuyuChen c
a Department of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen,...
Moroccan company ETAFAT monitors 24/7 vibrations of tunnel construction in Morocco's biggest city Ad Dar Al Bayda. 1890 meter tunnel is dug under near the Old Medina section of the city with many centuries old buildings.
It is important that...
A Combined Support System Associated with the Segmental Lining in a Jointed Rock Mass: The Case of the Inclined Shaft Tunnel at the Bulianta Coal Mine
Xiongyu Hu / Key Laboratory of Transportation Tunnel Engineering, Ministry of...
The prediction of cutter wear from temperature measurements on TBM discs and cutting face
Ulku Kalayci Sahinoglu & Umit Ozer
Arabian Journal of Geosciences volume...
Doha Metro's Gold Line has been built by Yapi Merkezi (Turkey), STFA Group (Turkey), Larsen & Toubro (India), Aktor (Greece) and Al Jaber Engineering (Qatar). It opened for passengers on 21 November 2019. It is comprised of twin...
Tunnel Business Magazine (TBM) has an article over large bore Tunnel Boring Machine (TBM) tunneling:
I think it's a treat:
https://tunnelingonline.com/advancements-in-large-diameter-tbm-tunneling/
The Boring Company finally releases information about Prufrock. It is just a tweet with a photo of people in front of a TBM and a very short text 'Prufrock is alive'. Nevertheless, it is the first picture of the Prufrock.
Prufrock is...
Prediction Model for Disc Cutter Wear of Tunnel Boring Machines in Sandy Cobble Strata
Yitao Li, Honggui Di, Qiyu Yao, Longlong Fu & Shunhua Zhou
Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji...
The optimization of a dust suppression and clean production scheme in a TBM-constructed tunnel based on an orthogonal experiment
Xiaofei Liu, Wen Nie, Wenjie Zhou, Changqi Liu. Qiang Liu. Cunhou Wei
State Key Laboratory of Mining Disaster...
First 100 meters of the RijnlandRoute tunnel in The Netherlands will be illuminated with the natural sunshine. That is thanks to the optical fiber technology to be used in the tunnel. The optical fiber cables will capture the sunlight outside the...
Prediction of ground ahead of tunnel boring machine (TBM) using electrical resistivity = 전기비저항을 이용한 TBM 전방지반예측
Hong, Chang-Ho
College of Engineering(공과대학)Dept. of Civil and Environmental...
Making Tunnels Fast and Safe.
Hyundai E&C Patented TBM Technology
(original Hyundai explanation:) https://news.hyundaimotorgroup.com/Article/Hyundai-EnC-Patented-TBM-Technology?mainYn=Y&num=3)
A tunnel boring...