Using the Atlas SCC software, Shane MacLaughlin demostrates 'how to analyse the change in shape of a non-circular scanned tunnel over its length. This is done solely using the point cloud data without any initial design model or centre-line,...

Early assessment and mitigation of cracking on concrete tunnel segments – Dubai metro case study By V. Tellioglu, Jacobs, Tunnels and Ground Engineering, Dubai, UAE  E. Delikan, Jacobs (formerly with Expolink Consortium), Dubai,...

Stability analysis of layered circular rock tunnels considering anchor reinforcement based on an enhanced mesh-free method Guangyin Lu School of Geosciences and Info-Physics, Central South University, South Lushan Road, Changsha, 410083,...

Greenfield settlements due to tunnelling using tunnel boring machine (TBM) in layered soils: a parametric study Published: 15 February 2024 Jyoti Agarwal Civil Engineering Department, Delhi Technological University, Shahbad Daulatpur Main...

How can artificial intelligence influence the way tunnels are being constructed and maintained? https://www.newcivilengineer.com/the-future-of/how-can-ai-assist-tunnel-construction-and-maintenance-23-05-2024/

Intelligent Attitude Control Method for Shield Tunneling Machines Considering a Rectifying Mechanism: A Case Study of the Chengdu Subway Haohan Xiao Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of...

Water-sand inrush risk assessment method of sandy dolomite tunnel and its application in the Chenaju tunnel, southwest of China Jia-xing Dong Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming, Yunnan,...

Study on dynamic response and long-term settlement of silty soil around Shanghai metro tunnel Biaowei Sang  School of Water Resources and Architectural Engineering, Tarim University, Alear, 843300, Xinjiang, China Chunling...

Coupled Dynamics Modeling and Analysis of a Coring Drilling Equipment for Hard-Rock Tunnel Boring Conference paper First Online: 18 June 2024 Dong Yuan a, Xin Sun b, Lijin Hu b, Qiang Peng b, Xinzhili Chen a, Yiyou Li a, Sen Huang a, Liugang...

https://www.youtube.com/watch?v=iOGgoPKN2FI I have been trying to follow the progress of this innovative tunnelling startup based in San Francisco, USA. If they succeed in achieving their objectives, it will be a true revolution in mechanized...

In contrast to existing drilling methods, the HammerDrum drilling machine is situated within the borehole, comparable to a vertical tunnel...

Published by National Academies. USA Water infiltration is a common problem in tunnels... [click the link below for more info] You can download it in PDF form or read online free of charge. Paperback copy costs...

A BIM-based multi-model framework for advancing TBM performance  part 1: Real-time prediction of thrust force Ping Xie a b c, Ke Chen a c, Ziwei Yin a c, Yeting Zhu d, Hanbin Luo a c, Qian-Bing Zhang b a National Center of Technology...

Kinematics and spatial structure analysis of TBM gunite robot based on DH parameter method Lianhui Jia ab, Shenyao Liu b, Chenxu Cao a, Yehao Kang b, Ying Zhu a, Lijun Wang b, Donglai Xu c & Ruixue Cheng c a China Railway Engineering...

It is about tunnel injection and injection platforms. Here, Epiroc has lacked an alternative with four lines for many years, until now. Rolf... https://www.at.no/anlegg/verdenslansering-pa-injeksjonsflak/911225  

Precast CSA-based concrete tunnel lining segments reinforced with GFRP bars: Challenges and opportunities Simone Spagnuolo, Alberto Meda Department of Civil Engineering and Computer Science Engineering, University of Rome Tor Vergata, Via del...

Analysis of drainage capacity of tunnel during construction period Shaojia Yang*, Xiaoyu Liu, Gaohui Li, Jinfeng Wang and Hongbo Zhu PowerChina Huadong Engineering Corporation Limited, Hangzhou, 311122, China In the process of excavation...

Model test study on the mechanical response of the deep buried tunnel lining Longyan Duan, Jimeng Feng, Jiadai Song & Shiyu Yao Scientific Reports volume 14, Article number: 12863 (2024) Everybody 1 and 2: 1 Key Laboratory of...

Investigation on rock breaking and optimum spacing of TBM cutters under confining stress using a continuum-discontinuum method Tie Wang Faculty of Engineering, China University of Geosciences, Wuhan, China Chengzeng Yan Faculty of...

http://video.holcim.com/cutting-edge-holcim-concrete-mix Holcim  reports the first use of  a low-carbon concrete mix in Melbourne Metro. It uses recycled class instead of sand, in addition to other innovations. Cutting-edge Holcim...