Results 11 to 20 of about 946 (225)
Tunnel boring machine positioning automation in tunnel construction [PDF]
Gerontechnology, 2012 Purpose Tunnel construction using a tunnel boring machine (TBM) entails precise machine positioning and guidance in the underground space. In contrast to traditional laser-based machine guidance solutions, the proposed research aims to develop an automation alternative to facilitate TBMguidance and as-built tunnel alignment survey during tunnelling ...
Xuesong Shen +3 more
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Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies
Engineering, 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
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Influence of geology on tunnel boring machine performance: A review [PDF]
Journal of Mining and Metallurgy. Section A: Mining, 2020 Tunnel boring machines are used for excavating a variety of soils and rocks for circular cross-section tunnels. Several published studies examined the role of rockmass in determining the cutting and advance rate of tunnel boring machines. A comprehensive
Pandey P.K. +5 more
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Tunnel Boring Machine Design and Reliability Parameters of a Dynamic Rock-Indentor System
Communications, 2012 The article deals with the calculation of reliability indicators of system dynamics, between the tunnel boring machine and the rock during the tunnel boring of the exploratory tunnel Branisko. The background deals with a design of a tunnel boring machine
Marcela Malindzakova, Jozef Futo
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Frontiers in Earth Science, 2023 In order to improve the digging efficiency of tunnel boring machine (TBM) in high-strength and highly abrasive formations, high-pressure water jet-assisted tunnel boring machine rock breaking technology has been developed and applied in steps.
Yalong Jiang +5 more
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Deep learning characterization of rock conditions based on tunnel boring machine data
Underground Space, 2023 Rock condition perception based on tunnel boring machine (TBM) data is of great importance for not only ensuring tunnel boring safety but also improving construction efficiency. The prediction of TBM boring responses (i.e., torque and total thrust of the
Xu Li +4 more
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Underground Space, 2023 This review summarizes the research outcomes and findings documented in 45 journal papers using a shared tunnel boring machine (TBM) dataset for performance prediction and boring efficiency optimization using machine learning methods. The big dataset was
Jian-Bin Li +12 more
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Advances in Mechanical Engineering, 2018 A multidisciplinary design optimization model is developed in this article to optimize the performance of the hard rock tunnel boring machine using the collaborative optimization architecture. Tunnel boring machine is a complex engineering equipment with
Wei Sun +4 more
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Single-Level Station Complex Structure for Application of Through Driving Construction Method
Наука и техника, 2020 Metro Service has a huge impact on the development of urban transport infrastructure. The need to increase the efficiency of passenger transportation is caused by the rapid growth in passenger turnover as well as an increase in the distance from the ...
A. О. Kolikov, G. P. Pastushkov
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A Shield Segment Bolt Detection and Localization Method Based on Ellipse Detection
IEEE AccessThe automatic assembly of shield tunnel segments can significantly reduce labor intensity and improve tunneling efficiency. However, during the automatic segment gripping process, traditional methods of setting targets introduce manual errors and ...
Jie Liu +5 more
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