Results 11 to 20 of about 1,981,740 (257)

Some results of monitoring the boring of the tunnel Branisko with tunnel boring machine Wirth TB-II-330H/M [PDF]

open access: yesActa Montanistica Slovaca, 1997
Paper presents results of monitored parameters of tunnel boring machine Wirth TB-II-330H/M obtained for the tunnel Branisko.
Lazarová Edita
doaj   +2 more sources

The Reliability of a Tunnel Boring Machine [PDF]

open access: yesInternational Journal of Occupational Hygiene, 2009
Greater levels of complexity in tunnelling with Tunnel Boring Machine (TBM) allow higher chances of failures that may increase the potential hazardous risks. This paper presents the results of a study on TBM reliability using risk analysis.
Mohammad Javad Jafari   +2 more
doaj   +3 more sources

Theoretical prediction of wear of disc cutters in tunnel boring machine and its application

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2019
Predicting the cutter consumption and the exact time to replace the worn-out cutters in tunneling projects constructed with tunnel boring machine (TBM) is always a challenging issue.
Zhaohuang Zhang   +3 more
doaj   +2 more sources

Model-based offline reinforcement learning framework for optimizing tunnel boring machine operation

open access: yesUnderground Space
Research on automation and intelligent operation of tunnel boring machine (TBM) is receiving more and more attention, benefiting from the increasing construction data.
Yupeng Cao   +4 more
doaj   +2 more sources

Study of Mechanized Tunnel Boring Machines Performance in Urban Areas [PDF]

open access: yesرویکردهای نوین در مهندسی عمران, 2018
The need for rapid construction of the tunnel along with the safety of surface structures has increased the use of mechanized tunnel boring machines in the urban environment.
Amir Hasan Rezaie Farie   +1 more
doaj   +1 more source

Study on optimization of ventilation and dust removal parameters in heading face based on air curtain shielding

open access: yesMeikuang Anquan, 2022
In order to solve the problem of large dust production in the heading face and the pollution of other roadways by ventilation and dust discharge, based on the existing long pressure and short extraction ventilation, the combined dedusting scheme of air ...
LIU Huijing
doaj   +1 more source

Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies

open access: yesEngineering, 2017
In the past decades, many underwater tunnels have been constructed in the mainland of China, and great progress has been made in related tunneling technologies. This paper presents the history and state of the art of underwater tunnels in the mainland of
Kairong Hong
doaj   +1 more source

Edge-Cloud Collaborative Defense against Backdoor Attacks in Federated Learning

open access: yesSensors, 2023
Federated learning has a distributed collaborative training mode, widely used in IoT scenarios of edge computing intelligent services. However, federated learning is vulnerable to malicious attacks, mainly backdoor attacks. Once an edge node implements a
Jie Yang   +7 more
doaj   +1 more source

Low-volume-loss tunnelling for London ring main extension [PDF]

open access: yes, 2010
The Thames Water ring main extension is a 4.5 km long tunnel from Stoke Newington, in the London borough of Hackney, to New River Head in Finsbury, in the London borough of Islington. The 2.85 m i.d.
B. D. Jones, Jones, Benoît
core   +1 more source

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