Analysis of parameters for large cross-section quasi-rectangular EPBM in water-rich sandy strata [PDF]
Scientific ReportsWater-rich sandy stratum, characterized by high permeability, low cohesion, and strong fluidity, poses critical challenges for large-section quasi-rectangular Earth Pressure Balance Shield Machine tunneling.
Shi-ju Ma +4 more
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Effectiveness analysis of a novel rectangular tunnel boring machine with planetary transmission for box jacking [PDF]
Scientific ReportsTraditional rectangular tunnel boring machines have low tunneling efficiency, poor soil mixing effects, which has hindered the construction of long-distance and large-section box jacking projects.
Peng Ma +3 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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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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Dynamic response of single pile induced by the vibration of tunnel boring machine in hard rock strata [PDF]
Scientific ReportsDuring metro tunnel construction, Tunnel Boring Machine(TBM) often induces surface and nearby pile vibrations. However, these vibrations are often overlooked due to the short-term passage of the cutterhead beneath the foundation structures.
Rui Wang, You Wang, Bin Yan, Bosong Ding
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Thermal-Environmental Coupling Wear Mechanism of H13 Steel Disk Cutters in Tunnel Boring Machine Excavation of Composite Strata. [PDF]
Materials (Basel)Pan Y +4 more
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Underground SpaceAccurately estimating the monthly advance rate of hard rock tunnel boring machine is of great significance for construction method selection, machine type determination, and project planning.
Honggan Yu +5 more
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Measurement and analysis of surface settlement caused by construction of quasi-rectangular shield tunnel in rich water-sand stratum [PDF]
Scientific ReportsThe study is based on a section of the Zhengzhou Metro Line 8 quasi-rectangular shield tunnel. Field excavation trials were conducted to analyze the surface settlement patterns caused by the construction of a large-section quasi-rectangular shield tunnel
Yong-gang Ding +5 more
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E-YOLOv4-tiny: a traffic sign detection algorithm for urban road scenarios
Frontiers in Neurorobotics, 2023 IntroductionIn urban road scenes, due to the small size of traffic signs and the large amount of surrounding interference information, current methods are difficult to achieve good detection results in the field of unmanned driving.MethodsTo address the ...
Yanqiu Xiao +11 more
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Rock and Soil Mechanics, 2021 The scientific prediction of the TBM penetration rate is of great significance to the selection of hydraulic tunnel construction methods, construction schedule and cost estimation.
YAN Chang-bin +5 more
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