Innovation in TBM Traffic Tunnels

图书简介

Tunnel Boring Machine (TBM) constructed tunnels are widespread, and can deliver significant environmental and cost benefits. However, as noted in the noteworthy examples of TBM traffic tunnels presented in this book, there are still important challenges associated with them, linked in particular to structural safety in the event of earthquakes, as well as cost and safety issues during operation. To face these challenges, Innovation in TBM Traffic Tunnels presents three innovative concepts in the field of construction of TBM rail and road tunnels: the TISB concept that improves the structural safety of those built on soft soil in seismic areas, and the TMG and TMF concepts, for rail and road tunnels, respectively, that allow for significant reduction of their cost and the improvement of safety during operation. Examples of the application of these new concepts in the conceptual design of specific tunnel cases are presented and compared with solutions based on common approaches, demonstrating the additional benefits of these concepts. The book also draws attention to other innovations in TBM tunnelling that may improve the construction of tunnels in the future, especially when using the concepts mentioned above. Innovation in TBM Traffic Tunnels is aimed at professionals involved in the planning, design, and construction of tunnels for transport infrastructure, including authorities, consultants and construction companies, worldwide.

Chapter 1 The world of tunnellingAbstract1.1 Introduction1.2 Brief history of tunnelling 1.3 Purpose of tunnels1.4 Tunnel construction techniques1.5 Landmarks in tunnel construction1.6 ConclusionsReferences Chapter 2TBM tunnelsAbstract2.1 Introduction 2.2 Development of the TBMs2.3 Construction of tunnels with TBMs2.4 Types of TBMs2.5 The race for the Mega TBMs2.6 Thickness of the precast segments of TBM tunnels2.7 Efficiency index of the cross-section of TBM road tunnels2.8 Construction costs of TBM railway and road tunnels2.9 ConclusionsReferences Chapter 3Safety of traffic tunnelsAbstract3.1 Introduction3.2 Safety of railway tunnels3.3 Safety of road tunnels3.4 Cross-section of railway tunnels3.5 Cross-section of road tunnels3.6 Emergency exits3.7 Ventilation systems3.8 Fire-fighting systems3.9 Safety in operation3.10 ConclusionsReferences Chapter 4Current concepts in TBM traffic tunnels and noteworthy examplesAbstract4.1 Introduction4.2 TBM railway tunnels4.3 TBM road tunnels4.3.1 Current concepts in TBM road tunnels4.3.2 Dual-tube unidirectional tunnels4.3.3 Mono-tube double-deck unidirectional tunnels4.4 ConclusionsReferences Chapter 5The TISB, TMG and TMF conceptsAbstract5.1 Introduction5.2 Main challenges in TBM traffic tunnels5.3 The TISB, TMG and TMF concepts5.4 Tunnelling based on TISB, TMG and TMF concepts5.5 ConclusionsReferences Chapter 6Rehabilitation of a TBM tunnel on soft ground in a seismic area based on the TISB conceptAbstract6.1 Introduction6.2 Characteristics of the tunnel6.3 The incident 6.4 The rehabilitation process6.5 Alternative solution based on the TISB concept6.6 Structural verifications

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Innovation in TBM Traffic Tunnels TBM 交通隧道的创新 公路运输

Innovation in TBM Traffic Tunnels

TBM 交通隧道的创新
公路运输