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A New System to Evaluate Comprehensive Performance of Hard-Rock Tunnel Boring Machine Cutterheads
The accurate performance evaluation of a cutterhead is essential to improving cutterhead structure design and predicting project cost. Through...
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Precise Cutterhead Clogging Detection for Shield Tunneling Machine Based on Deep Residual Networks
During the construction process of tunnels, the cutterhead of shield tunneling machines may get clogged due to clay adhesion, which may seriously...
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Prediction and Feature Importance of Earth Pressure in Shields Using Machine Learning Algorithms
To reduce subjectivity and uncertainty when maintaining suitable earth pressure in earth pressure shields that can prevent heave or collapse, many...
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Modelling the Torque with Artificial Neural Networks on a Tunnel Boring Machine
The performance of earth pressure balanced tunnel boring machines (EPB-TBM) is dependent of a variety of parameters. Moreover, these parameters...
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Formation mechanism of rockburst in deep tunnel adjacent to faults: Implication from numerical simulation and microseismic monitoring
Rockbursts were frequently encountered in the construction of deeply buried tunnels at the ****-II hydropower station, Southwest China. In those...
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Analysis of Rock Breaking Load Characteristics and Efficiency Optimization of Roller Cutters under Multi-Factor Coupling
In order to study the rock-breaking process of a 17-inch disc-type cutterhead in a full-face tunnel boring machine (TBM), we utilized the discrete...
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A Supershallow Buried Large-Span Rectangular Pipe Jacking Tunnel Undercrossing an Expressway: Construction Method, Monitoring Results, and Numerical Simulation
In this study, the rectangular pipe-jacking tunnel project of the Liuye Avenue West Extension under the Changzhang Highway is used to study highway...
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A New Linear Cutting Experimental Machine for Disc-Cutter Rock Breaking with High-Pressure Water Jets Assisted
Aiming at the low rock-breaking efficiency of TBM disc cutters in tough rock environments, A new experimental machine combined with the high-pressure...
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Effect of Overburden Pressure and Soil Parameters on Tunnel-Induced Ground Settlement
With the continuous improvement of urban transportation systems, the requirement of the tunnel has increased day by day due to the scarcity of...
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Application of GFRP Bars in Precast Concrete Tunnel Lining Segments
The use of precast concrete tunnel linings (PCTLs) has been escalating due to its efficient and economical installation process. Such structural...
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TBM Tunneling Technologies Through Excavated Tunnel Section
In many cases, the excellent performance of shield tunneling on soft and medium-hard rock (≤60 MPa) make it an optimal choice.
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Performance and Applicability of Recognizing Microseismic Waveforms Using Neural Networks in Tunnels
The sudden and harmful nature of rockbursts in tunnels necessitates an accurate and applicable method for automatically recognizing rock fracture...
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Experimental Study on Waterproofing Performance of Segments Based on Sealant Installation Methods
When constructing a tunnel using a shield Tunnel Boring Machine, segments are mainly used. Sealants are then installed at segments for waterproofing....
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Laboratory Investigation on Excavation Performance of Foam-conditioned Weathered Granite Soil for EPB Shield Tunnelling
As weathered granite soils are extensively distributed in the Korean Peninsula, determining the optimal foam conditioning parameters for weathered...
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Multi-Mode Shield Machine
Multi-mode shield machine is looked as a synthetical product resulting from the manufacturing capacity of shield machines and construction...
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Improved SVR Method for Predicting the Cutting Force of a TBM Cutter Using Linear Cutting Machine Test Data
This research introduces a support vector regression (SVR) method to predict the cutting forces acting on the constant cross section (CCS) disc...
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Theoretical considerations of field penetration index model and its application in TBM performance prediction
Field penetration index (FPI) is a representative key indicator for tunnel boring machine (TBM) performance estimation, however its application in...
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Special Geotechnical Works for Metro Cairo (Egypt)
Bauer Egypt was commissioned with the specialist geotechnical engineering works for 18 out of the total of 22 underground stations on Metro Line 3....
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Performance assessment and structural design of the atmospheric cutterhead of slurry shield machine
The atmospheric cutterhead is a new type of cutterhead with high technical difficulty. Compared with the conventional cutterhead, the spatial...
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Full-Scale Rotary Cutting Experimental Study and Development of Prediction Formulas for TBM Cutting Force
Estimation of cutting forces has been used in the design and performance prediction of tunnel boring machines. The relationship between rock strength...
