Technology innovation in underground construction. (2009)

• Record Type: Book
• Further Information: Note: Editor, Gernot Beer.
• Other Names: Beer, G (Gernot)
• Contents: 1. Introduction 1.1 Motivation 1.2 Problems 1.3 Vision 1.3.1 Design 1.3.2 Processes 1.3.3 Equipment and materials 1.3.4 Maintenance an repair 1.4 Contents of the book 2. UCIS – Underground construction information system 2.1 Introduction 2.2 UCIS – Underground construction information system 2.2.1 Objectives 2.2.2 Architecture 2.2.3 Design and development 2.2.4 Data model 2.2.5 3D ground model 2.3 Introduction 2.4 Contribution to the overall project 2.5 Workflow 2.6 Geometrical data: software implementation 2.7 Geological & geomechanical attributes: classification 2.8 Geological & geotechnical database 2.9 Data link geometrical data – geological/ geotechnical objects 2.10 Subsurface models 2.10.1 UCIS – Applications 2.11 KRONOS – tunnel information system 2.12 KRONOS-WEB – monitoring data reporting and alarming system 2.13 Decision support system for cyclic tunnelling 2.14 Web-based information system on underground construction projects 2.15 Virtual reality visualisation system 2.16 Summary 3. Computer-support for the design of underground structures 3.1 Introduction 3.2 State-of-the-art in tunnel design 3.3 The applied design concept 3.3.1 Design method 3.3.2 Analysis of the possible degree of automation 3.3.3 Automation concept 3.4 Rule base for tunnel pre-design 3.4.1 Determination of the ground behaviour 3.4.2 Determination of suitable excavation methods and support measures 3.5 Key input parameters 3.6 Support classes 3.7 Energy classes 3.8 Excavation methods 3.9 Refinement for shield tunneling 3.9.1 General workflow embedded in the rule base 3.9.2 Determination of time and costs 3.10 Integrated optimization platform for underground construction 3.10.1 Realization/implementation 3.11 Graphical user interface 3.12 3D-Ground model 3.13 Rule base 3.14 Numerical simulation software 3.14.1 Background information and software technology 3.15 Summary 4. A virtual reality visualisation system for underground construction 4.1 Introduction 4.1.1 Virtual reality 4.1.2 Augmented reality 4.1.3 Mixed reality 4.1.4 Capacity of today’s VR-, AR- and MR-systems 4.2 A Virtual reality visualisation system for underground construction 4.2.1 Objective 4.2.2 Input data 4.2.3 VR software 4.2.4 VR hardware 4.2.5 Application example 4.3 Summary 4.4 Outlook, augmented reality in tunnelling 5. From laboratory, geological and TBM data to input parameters for simulation models 5.1 Introduction 5.2 A hierarchical, relational and web-driven Rock Mechanics Database 5.2.1 Introduction 5.2.2 Test data reduction methodology 5.2.3 A failure criterion for rocks 5.2.4 Example calibration of lab test rock parameters to model parameters of the HMC constitutive model (Level-B of analysis) 5.2.5 Structure of the rock mechanics database 5.3 Geometrical and geostatistical discretization of geological solids 5.3.1 Introduction 5.3.2 Solid modeling 5.3.3 Geostatistical modeling 5.4 A special upscaling theory of rock mass parameters 5.4.1 Introduction 5.4.2 A special upscaling theory for rock masses 5.4.3 Illustrative upscaling example 5.5 Back-analysis of tbm logged data 5.5.1 Introduction 5.5.2 Basic relationships 5.5.3 An example of backward analysis 5.6 Conclusions 6. Process-oriented numerical simulation of mechanised tunnelling 6.1 Introduction 6.1.1 Requirements for computational models for mechanised tunnel construction 6.1.2 Novel computational framework for process-oriented simulations in mechanised tunnelling as part of an integrated decision support system 6.2 Three-phase model for partially saturated soil 6.2.1 Theory of porous media 6.2.2 Governing balance equations 6.2.3 Constitutive relations for hydraulic behaviour 6.2.4 Stress-strain behaviour of soil skeleton 6.3 Finite element formulation of the multiphase model for soft soils 6.3.1 Spatial and temporal discretization 6.3.2 Object-oriented implementation 6.4 Selection of soil models and parameters 6.4.1 Saturated soil model 6.4.2 Unsaturated soil model 6.4.3 Cemented soil model 6.4.4 Double hardening soil model 6.5 Verification of the three-phase model for soft soils 6.5.1 Consolidation test 6.5.2 Drying test 6.6 Components of the finite element model for mechanised tunnelling 6.6.1 Heading face support 6.6.2 Frictional contact between TBM and soil 6.6.3 Tail void grouting 6.6.4 Shield machine, hydraulic jacks, lining and backup trailer 6.7 Model generation and simulation procedure 6.7.1 Automatic model generation 6.7.2 Mesh adaption for TBM advance and steering of shield machine 6.7.3 Interface to IOPT 6.7.4 Parallelisation concept 6.8 Sensitivity analysis and parameter identification 6.8.1 Numerical approximation of sensitivity terms 6.8.2 Analytical sensitivities derived by the direct differentiation method 6.8.3 Adjoint method for deriving analytical sensitivities 6.8.4 Implementation of analytical sensitivity methods 6.8.5 Optimisation of process parameters 6.8.6 Inverse analyses for estimation of unknown parameters 6.8.7 Current state and outlook for further developments in sensitivity analyses 6.9 Selected applications of the simulation model for mechanised tunnelling 6.9.1 Numerical simulation of compressed air support 6.9.2 Numerical simulation of changing pressure conditions at the heading face 6.9.3 Numerical simulation of the Mas Blau section of L9 of Metro Barcelona 6.10 Conclusions 7. Computer simulation of conventional construction 7.1 Introduction 7.2 A new simulation paradigm 7.3 Preprocessor 7.4 The boundary element method 7.4.1 Sequential excavation 7.5 Example – sequential tunnel excavation 7.5.1 Non-linear material behavior 7.6 Non-linear BEM 7.7 The non-linear solution algorithm 7.8 Hierarchical constitutive model 7.9 Example 7.9.1 Heterogeneous ground and ground improvement methods 7.10 Introduction 7.11 Consideration of geological conditions 7.12 Pipe roofs 7.13 Examples 7.13.1 Rock bolts 7.14 Introduction 7.15 Fully grouted rock bolts 7.16 Discrete anchored bolts 7.17 Examples 7.17.1 Shotcrete and steel arches 7.18 Introduction 7.19 Shotcrete as an assembly of shell finite elements 7.20 Steel arches as an assembly of beam finite elements 7.21 Optimization of code and adaptation to special hardware 7.21.1 Computational complexity 7.21.2 Iterative solvers</LI
• Publisher Details: Place of publication not identified : CRC Press
• Publication Date: 2009
• Extent: 1 online resource (528 pages)
• Subjects: 624.19; Underground construction -- Technological innovations
• Languages: English
• ISBNs: 9781482266597; 1482266598
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.