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粘土/砂土场地板桩墙塑性铰性能优化分析

摘要第4-5页
Abstract第5-6页
Chapter 1 Introduction第10-20页
    1.1 Source of the topic第10-11页
    1.2 Research background and significance第11页
    1.3 Objective of this research第11-12页
    1.4 Scope of the research第12页
    1.5 Sheet pile walls第12-13页
    1.6 Types of sheet piles第13-15页
        1.6.1 Cantilever sheet piles第13-14页
        1.6.2 Anchored walls第14-15页
    1.7 Sequence of construction of sheet piles第15页
    1.8 The concept of plastic analysis第15-19页
        1.8.1 What actually leads to the formation of the plastic hinge?第17-18页
        1.8.2 Requirement for the full collapse of a beam第18页
        1.8.3 Graphical representation of K_p, K_o, and K_a第18-19页
    1.9 Summary第19-20页
Chapter 2 Literature on sheet piles (past to present)第20-29页
    2.1 Design of retaining walls in stiff clays (Padfield and Mair, 1984)第20-21页
    2.2 Gradual method (Krey, 1932 and Bowles, 1988)第21页
    2.3 Net pressure analysis of cantilever sheet pile wall (Day, 1999)第21-22页
    2.4 Principles of foundation engineering (Das, 1990)第22-24页
    2.5 Numerical analysis and dissertations第24-27页
        2.5.1 Analysis of model sheet pile walls with plastic hinges (Bourne-Webb et al.,2011)第24页
        2.5.2 Comparison of finite element predictions with results from a centrifuge test representing a double anchor wall in sand (Bourne-Webb et al., 2010)第24-25页
        2.5.3 Development of numerical models for geotechnical design (Smith, 2006)第25页
        2.5.4 Numerical studies of anchored sheet pile wall behavior (Bilgin, 2010)第25-26页
        2.5.5 Lateral earth pressure coefficient for anchored piles (Bilgin, 2012)第26页
        2.5.6 Effect of wall penetration depth on the behavior of sheet pile walls (Ramadan, 2013)第26页
        2.5.7 Numerical analysis of cantilever and anchored sheet pile walls at failure and comparison with classical methods (Torrabadella, 2013)第26-27页
        2.5.8 Comparison study for the seismic evaluation of anchored sheet pile walls (Zhai, 2009)第27页
        2.5.9 Developing a numerical model for the design of sheet pile walls (Brits,2014)第27页
    2.6 Justification for this research第27-28页
    2.7 Summary第28-29页
Chapter 3 Numerical modelling of sheet pile wall第29-42页
    3.1 Introduction第29页
    3.2 The four sub-program of Plaxis 2D第29-31页
        3.2.1 Geometry第30-31页
        3.2.2 Calculation第31页
        3.2.3 Output program第31页
        3.2.4 Curves第31页
    3.3 Modeling of soils第31-33页
        3.3.1 Parameters of the Mohr-Coulomb criterion第32页
        3.3.2 Node and stress points第32-33页
    3.4 Modeling the sheet pile plate element第33-36页
        3.4.1 Modeling of interface element第34-35页
        3.4.2 Modeling of anchors第35-36页
    3.5 Properties of the materials used in the study第36-38页
        3.5.1 Material properties of subsurface soil第36页
        3.5.2 Properties of clay soil (Modified cam clay model)第36-37页
        3.5.3 Material properties of sheet piles第37-38页
    3.6 Case study第38-40页
    3.7 Validating the FEA results for modeling the free earth support method第40-41页
    3.8 Summary第41-42页
Chapter 4 Performance of sheet pile wall in clay and sand soils第42-68页
    4.1 Introduction第42-43页
        4.1.1 Use of symbols第43页
    4.2 Loose sand overburden on loose sand第43-46页
        4.2.1 Result of loose sand overburden overlaying loose sand第43-46页
    4.3 Medium sand in medium sand第46-48页
    4.4 Dense sand in dense sand第48-51页
    4.5 Loose sand in silty clay第51-53页
    4.6 Medium dense sand in silty clay第53-56页
    4.7 Dense sand in silty clay第56-58页
    4.8 Plastic hinging of sheet pile wall embedded in clay第58-63页
    4.9 Comparison of results with and without surcharge loads第63-65页
    4.10 Analysis of a 21-m-long tie back wall第65-68页
Chapter 5 Conclusion and Recommendation第68-70页
References第70-75页
Acknowledgement第75页

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