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Numerical simulation and experimental studies of rock-breaking methods for pre-grooving-assisted disc cutter
To improve the efficiency of tunnel boring machines (TBMs) in hard rock environment, the technology of pre-grooving-assisted disc cutters for rock...
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Introduction of a modified QTBM model for predicting TBM penetration rate in rock, based on data from mechanized tunneling projects in Iran
One of the TBM performance prediction models that has been introduced in recent years and used for estimating penetration rate of TBM in hard rock...
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Experimental study on rock breaking using a microwave-assisted tunnel boring machine cutter
Tunnel boring machines (TBMs), excavation tools for tunnel construction, often struggle to penetrate extremely hard rock formations. This study...
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Introducing an empirical model for prediction of disc cutter life for TBM application in jointed rocks: case study, Kerman water conveyance tunnel
Disc cutters wear and need to be replaced when using tunnel boring machines (TBMs) to excavate through rock, often becoming a high ticket item on the...
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TBM Selection and Adaptability Design
This chapter focuses on the basis, principles and influencing factors in TBM selection, describes the adaptability design of TBM from tunneling...
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Evaluation of Hard Rock Tunnel Boring Machine (TBM) Performance Using Stochastic Modeling
Penetration rate is one of the most critical parameters affecting the performance of TBM machines and it is complicated to predict due to uncertainty...
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Study on Tunnelling Performance of Dual-Mode Shield TBM by Cutterhead Working Performance and Tunnelling Difference Comparison: A Case in Shenzhen Metro Line 12
The HuaiFu tunnel section of Shenzhen Metro Line 12 is located in Baoan District, Shenzhen, with a total length of approximately 1750 m. The...
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Development of Performance Prediction Model for TBM Using Rock Mass Properties
Tunnelling projects carried out by Tunnel Boring Machine (TBM) present several problems, the most significant of which is predicting machine...
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TBM Design and Construction Examples
Key points of this chapter: focus on the Tianshengqiao Hydropower Station water diversion tunnel, Qinling Line I railway tunnel, Mogouling railroad...
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TBM Construction in Special Stratum
Key points of this chapter: The tunnel construction technology with NATM as the core has gradually matured. TBM has been rapidly developed in various...
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Risk Control in TBM Construction
This chapter focuses on the introduction of classification of TBM construction risks and construction risk analysis, with special attention to the...
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TBM Maintenance and Disassembly
The focus of this chapter: During TBM operation, a fault of any of its systems will lead to downtime, thus affecting the tunneling efficiency....
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Prediction of Engineering Characteristics of Rock Masses Using Actual TBM Performance Data with Supervised and Unsupervised Learning Algorithms (a Case Study in Strong to Very Strong Igneous and Pyroclastic Rocks)
Knowing accurate values of rock engineering parameters in hard rock condition is the key in estimating and adjusting TBM performance. In this study,...
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Develo** Estimation Equations for the Cerchar Abrasivity Index of Rocks Applicable to TBM Tunnels
Rock abrasivity plays an important role in the machine design, construction scheduling, and budgeting of TBM projects. Establishing several faster...
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TBM Assembling and Tunneling
Key points of this chapter: This chapter introduces the transportation process of TBMs, then details the assembly and commissioning process of TBMs...
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A performance-oriented adaptability assessment method for TBM tunneling
TBM tunneling performance depends on the complex mutual adaptability between TBM machine and engineering geological conditions. Therefore, a...
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Interaction between partial-worn TBM cutters and rocks: experimental and numerical investigation
Partial wear is one of the fatal abnormal wears, which may pose a threat to the cutterhead or even the driving system. Considering the randomness of...
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An Optimization Methodology of Cutter-Spacing for Efficient Mechanical Breaking of Jointed Rock Mass
Cutter spacing is one of the important mechanical parameters that influence the cutting efficiency of tunnel boring machines (TBMs). A methodology...
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Tracking of disc cutter wear in TBM tunneling: a case study of Kerman water conveyance tunnel
Disc cutters are the dominant cutting tools used in tunneling by rock TBMs. During the operation, disc cutters wear out and should be replaced with...
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A Novel Rate of Penetration Prediction Model for Large Diameter Drilling: An Approach Based on TBM and RBM Applications
AbstractIn this paper, De Moura and Butt model is extended to the large diameter drilling applications. The model proved to be effective and highly...
