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软土地层注浆扩散加固机理及工程应用

Abstract第5-6页
Acknowledgement第7-19页
Chapter 1 Introduction第19-27页
    1.1 Background第19-20页
    1.2 Objective第20-21页
    1.3 Outline and innovative points第21-23页
        1.3.1 Outline of the dissertation第21-22页
        1.3.2 Innovative points第22-23页
    1.4 Methodology第23-24页
    Reference第24-27页
Chapter 2 Literature review第27-49页
    2.1 Characterization of soft clay第27-29页
    2.2 Grouting technique第29-35页
        2.2.1 Grouting method第29-30页
        2.2.2 Types of grout第30-31页
        2.2.3 Desirable characteristics of grout第31-32页
        2.2.4 Comparison among the advantage and disadvantage of different methods第32-35页
    2.3 Grouting theory第35-44页
        2.3.1 Grouting diffusion theory第35-42页
        2.3.2 Grouting reinforcement theory第42-44页
    2.4 Cavity expansion theory第44-46页
    Reference第46-49页
Chapter 3 Diffusion mechanism of shallow subsurface grouting in soft clay stratum第49-93页
    3.1 Overview第49页
    3.2 Effect of characterization of stratum on grouting in soft clay第49-56页
        3.2.1 Soil constitution of soft clay stratum第49-50页
        3.2.2 Groutability analysis on soft clay stratum第50-53页
        3.2.3 Effect of crustal stress on propagation direction第53-55页
        3.2.4 Typical soil properties in Nanjing第55-56页
    3.3 Hydro fracture criteria in soft clay第56-65页
        3.3.1 Stress analysis of grouting borehole第57-58页
        3.3.2 Tensile failure criterion第58-59页
        3.3.3 Shear failure criterion第59-60页
        3.3.4 Comparison between tensile failure criterion and shear failure criterion第60-62页
        3.3.5 Applicability analysis第62-65页
    3.4 Hydro fracture mechanisms in soft clay during pressure grouting第65-73页
        3.4.1 Theoretical model of hydro fracture grouting第65-66页
        3.4.2 Basic assumptions involved in the stress analysis第66-68页
        3.4.3 Basic equations第68-70页
        3.4.4 Govern equation of grouting diffusion in fracture第70-73页
    3.5 Results and analysis第73-81页
        3.5.1 Effect of slurry viscosity on diffusion distance第73-77页
        3.5.2 Distribute law of grouting pressure along the diffusion distance第77-78页
        3.5.3 Effect of fracture width on diffusion distance第78-81页
    3.6 Diffusion law of slurry in the interspace between grouting pipe and soil mass第81-88页
        3.6.1 Basic assumptions第82页
        3.6.2 Basic equations第82-83页
        3.6.3 Governing equations第83-85页
        3.6.4 Climb height of slurry during injection process第85-86页
        3.6.5 Results of climb height of slurry第86-88页
    3.7 Summary第88-89页
    Reference第89-93页
Chapter 4 Study on pre-stressing grouting method for grouting treatment in soft clay第93-125页
    4.1 Overview第93-94页
    4.2 Pre-stress stratum control grouting method第94-96页
        4.2.1 Definition第94页
        4.2.2 Principle第94-95页
        4.2.3 Advantage第95-96页
    4.3 Theoretical basis of pre-stressing grouting method第96-100页
        4.3.1 Basic assumptions of cavity expansion第96-97页
        4.3.2 Basic equations第97-98页
        4.3.3 Governing equations第98-100页
    4.4 Numerical Model and calculation parameters第100-102页
        4.4.1 Description of Calculation Model第100页
        4.4.2 Calculation parameters第100-102页
    4.5 Simulations of mold bag grouting第102-120页
        4.5.1 Work conditions第102页
        4.5.2 Effect of mold bag length on displacement field,stress field and plastic zone第102-112页
        4.5.3 Effect of mold bag interval on displacement field, stress field and plastic zone第112-120页
    4.6 summary第120-121页
    Reference第121-125页
Chapter 5 Study on the grouting reinforcement mechanism of soft clay stratum第125-155页
    5.1 Overview第125页
    5.2 Patterns of reinforcement in soft clay第125-127页
        5.2.1 Effect of compaction第126页
        5.2.2 Effect of skeleton support第126-127页
    5.3 Theoretical analysis of reinforcement of cement-silicate grouting in soft clay第127-132页
        5.3.1 Basic assumptions第127-128页
        5.3.2 Analysis of soil compression第128-129页
        5.3.3 Stress analysis of grout stone第129-131页
        5.3.4 Results and analysis第131-132页
    5.4 Test scheme第132-141页
        5.4.1 Background第132-133页
        5.4.2 Test material and basic properties第133-136页
        5.4.3 Test scheme第136-141页
    5.5 Mechanical properties analysis第141-144页
    5.6 Quantitative Analysis of grouting reinforcement effect第144-150页
        5.6.1 Quantitative analysis on the improvement of mechanical property第145-146页
        5.6.2 Disparate impact analysis of grouting factors第146-150页
        5.6.3 Simple criterion of excavation in soft clay reinforcement第150页
    5.7 summary第150-151页
    Reference第151-155页
Chapter 6 Key technology of synergic control in complex urban environment base on fine prospecting method第155-181页
    6.1 Overview第155-159页
    6.2 Background of test site第159-162页
        6.2.1 General situation第159-160页
        6.2.2 Engineering geology and hydrogeology第160-161页
        6.2.3 Geological Disasters第161-162页
    6.3 Fine prospecting method第162-168页
        6.3.1 Multi-geophysics exploration第163-164页
        6.3.2 Representative results第164-165页
        6.3.3 Three-dimensional reconstruction of water conducting structure第165-166页
        6.3.4 Estimation of water conducting zone第166-167页
        6.3.5 Region division第167-168页
    6.4 Disaster synergistic control technology第168-175页
        6.4.1 Synergistic effect of engineering safety and water plugging volume第168-171页
        6.4.2 Synergistic effect of engineering safety and grouting volume第171-175页
        6.4.3 Grouting opportunity第175页
    6.5 Theory for Life-cycle Treatment of water gushing第175-179页
        6.5.1 Grouting materials selection base on life-cycle treatment theory第176-177页
        6.5.2 Technology selection base on life-cycle treatment theory第177-178页
        6.5.3 Grouting process base on life-cycle treatment theory第178-179页
    6.6 Summary第179-180页
    Reference第180-181页
Chapter 7 Engineering application of grouting treatment and its analysis第181-197页
    7.1 Overview第181页
    7.2 Engineering problems第181-183页
    7.3 Comprehensive treatment principle第183-184页
    7.4 Treatment scheme and implementation第184-189页
        7.4.1 Objectives第184页
        7.4.2 Drilling design and implementation第184-187页
        7.4.3 Grouting reinforcement第187-189页
    7.5 Evaluation of grouting treatment第189-194页
        7.5.1 Analysis of evolution of water conducting structure第189-191页
        7.5.2 Analysis of excavation criterion第191-192页
        7.5.3 Analysis of building settlement第192-193页
        7.5.4 Excavation verification第193-194页
    7.6 Summary第194-197页
Chapter 8 Conclusions and recommendations第197-209页
    8.1 Conclusions第197-206页
    8.2 Recommendations第206-209页
Research experiences第209-210页
Publications第210-211页
Patents第211-212页
Honors & Awards第212-213页
学位论文评阅及答辩情况表第213页

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