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...

  Net zero cement? Holcim press release about a new plant in Belgium.   GO4ZERO EUR 500m+ project in Belgium to advance Europe’s decarbonization Plant engineered to produce 2 million tons of...

Field monitoring of the movements and deformations of two subway tunnels during the construction of an overcrossing tunnel: a case study Huangsong Pan School of Architecture and Civil Engineering, Xihua University, Chengdu, 610039, China Tong...

An experimental study on the evolution of flame height and extension length in tunnel fires with arched ceiling confined condition Xiaochun Zhang a, Linjie Chen a, Baien Lyu a, Hanwei Tang c, Xu Peng c, Jianye Lin c, Zhenyi Zhang a, Fei Ren...

Transience and Tunnel Esperanto: A study of multilingualism, work and relationship-building on a tunnel mining project Kraft, Kamilla, University of Copenhagen This paper investigates multilingualism as language and communication discourses...

Probabilistic assessment of existing shield tunnel longitudinal responses to tunnelling Rongzhu Liang a, Zhiwei Zhang a, Jin Wu a, Zhongchao Li b, Shian Cao a, Wenbing Wu a a Faculty of Engineering, China University of Geosciences, Wuhan,...

Real-time tunnel lining leakage image semantic segmentation via multiple attention mechanisms Yonghui Tan1,2, Xiaolong Li4,1,2, Jinfu Lai3 and Jinquan Ai1,2 Published 18 April 2024   2024 IOP Publishing Ltd Measurement Science and...

China Tunnel Research: Improving Tunnel Boring Machine Tunneling Performance by Investigating the Particle Size Distribution of Rock Chips and Cutter Consumption Wei Wang 1, Changbin Yan 2,*, Jing Guo 2, Hailei Zhao 3, Gaoliu Li 4, Wenmin Yao 2...

Learning from case studies and monitoring of Dutch tunnel projects Mandy Korff PhD (Strategic Advisor Associate Professor) https://www.sciencedirect.com/org/science/article/abs/pii/S2043990317000187 The Netherlands.