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岩溶隧道突水通道扩展机理、最小防突厚度及逃生路线优化研究

Abstract第5-7页
Chapter 1 Introduction第12-22页
    1.1 Research background and significance第12-14页
    1.2 Research objects第14页
    1.3 Outline and innovative points第14-19页
        1.3.1 Outline of the thesis第14-17页
        1.3.2 Innovative points第17-19页
    Reference第19-22页
Chapter 2 Expansion Mechanism of Water Inrush Channel by Water Erosion and Seepage Force第22-52页
    2.1 Introduction第23-25页
    2.2 Mechanism of incipient particle motion第25-31页
        2.2.1 Sliding instability of particles第26-29页
        2.2.2 Rolling instability of particles第29-31页
    2.3 Analysis of factors influencing the incipient flow velocity第31-38页
        2.3.1 Influence of the particle radius第32-33页
        2.3.2 Influence of the dip angle of inclined plane第33-34页
        2.3.3 Influence of the hydraulic gradient and porosity第34-36页
        2.3.4 Influence of the relative exposure degree第36-38页
        2.3.5 Influence of the internal friction angle between particles第38页
    2.4 Discussions第38-40页
    2.5 Numerical implementation of incipent particle motion第40-47页
        2.5.1 Numerical model第41-42页
        2.5.2 Particle-fluid coupling analysis第42-43页
        2.5.3 Simulated results and analysis第43-47页
    2.6 Conclusions第47-48页
    Reference第48-52页
Chapter 3 Estimation of Minimum Rock Thickness between Excavation Opening and Filling-Type Karst Cave under Earthquake Action第52-126页
    Notation第53-56页
    3.1 Introduction第56-59页
    3.2 Theoretical calculation model of the rock stratum resisting water inrush第59-63页
        3.2.1 Water-filled karst caves around the tunnel第59-61页
        3.2.2 Water-filled and water-mud-filled karst caves in front of the tunnel face第61-63页
    3.3 Failure mechanism of the rock stratum resisting water inrush第63-94页
        3.3.1 Water-filled karst cave locates at the top of the tunnel第64-75页
        3.3.2 Water-filled karst cave locates at the bottom of the tunnel第75-77页
        3.3.3 Water-filled karst cave locates at the lateral of the tunnel第77-84页
        3.3.4 Water-filled karst cave locates in front of the tunnel face第84-89页
        3.3.5 Water-mud-filled karst cave locates in front of the tunnel face第89-94页
    3.4 Parametric analysis and discussion第94-105页
        3.4.1 Influence of the karst water pressure第94-96页
        3.4.2 Influence of the karst cave size第96-97页
        3.4.3 Influence of the lateral pressure coefficient第97页
        3.4.4 Influence of the tunnel depth第97-99页
        3.4.5 Influence of the tunnel size第99-100页
        3.4.6 Influence of the surrounding rock quality第100-102页
        3.4.7 Influence of shear strength indexes of the filling material第102-104页
        3.4.8 Discussion第104-105页
    3.5 Case studies and engineering application第105-119页
        3.5.1 General situation of engineering第105-106页
        3.5.2 Case study 1第106-109页
        3.5.3 Case study 2第109-112页
        3.5.4 Case study 3第112-117页
        3.5.5 Case study 4第117-119页
    3.6 Conclusions第119-120页
    Reference第120-126页
Chapter 4 Water Flow Characteristics and Escape Routines Optimization after Water Inrush during Karst Tunnel Excavation第126-205页
    4.1 Introduction第127-130页
    4.2 Numerical simulation of gas-liquid two-phase flow after water inrush第130-140页
        4.2.1 Engineering background第130-131页
        4.2.2 Numerical model第131-133页
        4.2.3 Simulated conditions第133-137页
        4.2.4 Simulation methods第137页
        4.2.5 Calculation mechanism第137-140页
    4.3 Analysis of water flow characteristics after water inrush from the tunnel face第140-190页
        4.3.1 Case study 1第140-158页
        4.3.2 Case study 2第158-174页
        4.3.3 Case study 3第174-190页
    4.4 Escape routines optimized for water inrush from the tunnel floor第190-194页
        4.4.1 Case study 4第190-191页
        4.4.2 Case study 5第191-192页
        4.4.3 Case study 6第192页
        4.4.4 Case study 7第192-193页
        4.4.5 Case study 8第193-194页
    4.5 Results comparison and Discussion第194-200页
        4.5.1 Different excavation situations--case study 1 and case study 2第194-197页
        4.5.2 Different water inrush positions-- case study 2 and case study 3第197-200页
    4.6 Conclusions第200-201页
    Reference第201-205页
Chapter 5 Solute Transport Characteristics and Groundwater Connection Structures of Karst Water Tracing第205-237页
    5.1 Introduction第206-208页
    5.2 Calculation models and simulation methods of solute transport第208-212页
        5.2.1 Physical models第208-209页
        5.2.2 Mathematical models第209-212页
        5.2.3 Simulation methods第212页
    5.3 Numerical simulation of solute transport第212-225页
        5.3.1 Straight pipeline model第213-215页
        5.3.2 Bend model第215-218页
        5.3.3 Depression model第218-221页
        5.3.4 Waterfall model第221-223页
        5.3.5 Branch pipeline model第223-225页
    5.4 Analysis for groundwater connection structures based on the tracer test第225-231页
        5.4.1 General situation of the engineering第225-226页
        5.4.2 Characteristics of karst groundwater systems第226-227页
        5.4.3 Tracer test第227-229页
        5.4.4 Analysis for groundwater connection structures第229-231页
    5.5 Conclusions第231-232页
    Reference第232-237页
Chapter 6 Unascertained Measure Model of Water and Mud Inrush Risk Evaluation in Karst Tunnels and Its Engineering Application第237-273页
    6.1 Introduction第238-241页
    6.2 Unascertained measurement evaluation principle第241-245页
        6.2.1 Unascertained measure analysis of single index第242-244页
        6.2.2 Determination of the index weight第244-245页
        6.2.3 Unascertained measure analysis of multiple indexes第245页
        6.2.4 Credible degree recognition criteria第245页
    6.3 Water and mud inrush risk evaluation index system in karst tunnels第245-253页
        6.3.1 Selection of the water and mud inrush risk evaluation indexes第246-252页
        6.3.2 Establishment of the water and mud inrush risk evaluation index system第252-253页
    6.4 Engineering application第253-267页
        6.4.1 General situation of the engineering第254-255页
        6.4.2 Determination of the single index measure evaluation vector第255-264页
        6.4.3 Construction of the single index measure evaluation matrix第264-265页
        6.4.4 Construction of the multi-index comprehensive measure evaluation matrix第265-266页
        6.4.5 Credible degree recognition第266页
        6.4.6 Excavation verification第266-267页
    6.5 Conclusions第267-269页
    Reference第269-273页
Chapter 7 Conclusions and Recommendations第273-280页
    7.1 Conclusions第273-277页
    7.2 Recommendations第277-280页
Acknowledgements第280-282页
Research Experience第282-283页
Publications (The First/Second Author)第283-285页
Patients (The First/Second Inventor)第285-286页
Honors & Awards第286-287页
学位论文评阅及答辩情况表第287页

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