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Finite Element Analysis on Underground Excavation

Chapter 1 Introduction第8-11页
    1.1 Introduction第8页
    1.2 Characteristics of underground excavation第8-9页
    1.3 Objective第9-10页
    1.4 Significance第10-11页
Chapter 2 Modeling the Behavior of Geomaterials第11-21页
    2.1 Introduction第11-12页
    2.2 Elastic constitutive relation第12-13页
    2.3 Elasto-plastic constitutive relation第13-16页
    2.4 The yield criterion第16-19页
        2.4.1 Mohr-Coulomb criterion第17-18页
        2.4.2 Drucker-Prager criterion第18-19页
    2.5 The Plastic flow rule第19-20页
    2.6 Derivation of elasto-plastic matrix第20-21页
Chapter 3 Formulation of the finite element method第21-32页
    3.1 Introduction第21-22页
    3.2 Formulation of stiffness matrix and load matrix第22-25页
        3.2.1 Displacement第22-23页
        3.2.2 Strain第23页
        3.2.3 Stress第23页
        3.2.4 Minimization of total potential energy第23-25页
    3.3 The isoparametric element第25-28页
    3.4 Formula derivations for 4-node plane isoparametric element第28-32页
Chapter 4 Underground excavation第32-42页
    4.1 In Situ Stress第32-33页
    4.2 Estimation of in situ stress第33-35页
    4.3 Stability problem of the underground opening第35-36页
    4.4 Load on the underground structure第36-37页
    4.5 Loosening load第37-38页
    4.6 Computation of nodal forces along the excavation lining第38-42页
        4.6.1 Element stress interpolation method第38-40页
        4.6.2 Load displacement method第40-42页
Chapter 5 Computer programming第42-47页
    5.1 Program description第42-43页
    5.2 The flow chart第43-45页
    5.3 Illustrative example第45-47页
Chapter 6 A Case study on Tianhuangping pumped storage project第47-66页
    6.1 Project Introduction第47-49页
    6.2 Determination of Calculation zone第49-50页
    6.3 In situ stress field第50页
    6.4 Parameters of surrounding rock第50-51页
    6.5 Excavation sequence第51-52页
    6.6 Element type第52-53页
    6.7 Output results and summarization第53-66页
        6.7.1 Stress results and its summarization第53-63页
        6.7.2 Displacement results and its summarization第63-66页
Chapter 7 Conclusion and Recommendation第66-67页
    7.1 Conclusion第66页
    7.2 Recommendation第66-67页
References第67-68页

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