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混合纤维增强再生骨料混凝土的粘结应力—滑移行为研究

摘要第4-5页
Abstract第5页
List of Symbols and Abbreviations第10-12页
Chapter 1 Introduction第12-20页
    1.1 General第12-13页
    1.2 Sources of Waste Concrete第13页
    1.3 Micro- and Meso-Structure of RAC第13-16页
    1.4 Properties of RCA第16页
    1.5 Problem Statement第16-18页
    1.6 Objectives of the Thesis第18页
    1.7 Research Methodology第18页
    1.8 Research Significance第18-19页
    1.9 Thesis Overview第19-20页
Chapter 2 Analyses on Properties of Recycled Aggregate Concrete第20-49页
    2.1 General第20页
    2.2 Properties of Recycled Aggregate Concrete第20-32页
        2.2.1 Physical Properties第24-25页
        2.2.2 Mechanical Properties第25-26页
        2.2.3 The Bond Stress-Slip Behavior of RAC第26-30页
        2.2.4 Deformation Characteristics第30-32页
    2.3 Polypropylene Fiber Reinforced Concrete第32-36页
        2.3.1 Properties of Polypropylene Fibers第33页
        2.3.2 Role of Fibers第33页
        2.3.3 Plastic Shrinkage第33-34页
        2.3.4 Fire Damage第34页
        2.3.5 Effects on Fresh Concrete第34-35页
        2.3.6 Effects on Hardened Concrete第35页
        2.3.7 Bond Strength第35-36页
        2.3.8 Fracture Properties第36页
        2.3.9 Creep and Shrinkage第36页
    2.4 Steel Fiber Reinforced Concrete第36-42页
        2.4.1 Advantage of Steel Fibers in concrete第41-42页
        2.4.2 Disadvantage of Steel Fibers in Concrete第42页
    2.5 Crack Control第42-43页
    2.6 Hybrid Fiber-Reinforced Concrete第43-44页
    2.7 Shrinkage and Creep第44-47页
        2.7.1 Shrinkage第44-45页
        2.7.2 Creep第45-47页
    2.8 The Need of the Present Investigation第47页
    2.9 Brief Summary第47-49页
Chapter 3 Design and Preparation of Experiments第49-70页
    3.1 Materials第49-55页
        3.1.1 Natural Coarse Aggregate第49-50页
        3.1.2 Recycled Coarse Aggregate第50-52页
        3.1.3 Fine Aggregate and Cement第52页
        3.1.4 Steel Reinforcing Bars第52-53页
        3.1.5 Metallic Fibers第53页
        3.1.6 Non-Metallic Fibers第53-54页
        3.1.7 Plastic Pipe第54页
        3.1.8 Water第54页
        3.1.9 Superplasticizer第54-55页
    3.2 Experimental Methodology第55-62页
        3.2.1 Concrete Mix Proportion第55页
        3.2.2 Preparation of Steel Reinforcement第55-56页
        3.2.3 Preparation of Beam Mold第56-58页
        3.2.4 Test Matrix第58页
        3.2.5 Casting of Specimens第58-61页
        3.2.6 Workability Test第61-62页
        3.2.7 Curing第62页
    3.3 Experimental Setup第62-69页
        3.3.1 Steel Reinforcement Test Specimens第63-64页
        3.3.2 The Compressive Strength Test第64-65页
        3.3.3 Bond Stress Slip Test assembly第65-67页
        3.3.4 Bond Stress Slip Testing Method第67-68页
        3.3.5 Splitting Tensile Strength Test第68-69页
    3.4 Brief Summary第69-70页
Chapter 4 Discussion on Experimental Results第70-105页
    4.1 General Observations第70-86页
        4.1.1 Beam-01 Natural Aggregates Concretes第71-73页
        4.1.2 Beam-02 Recycled Aggregate Concrete第73-74页
        4.1.3 Beam-03 Steel Fibers Reinforcement RAC第74-76页
        4.1.4 Beam-04 Steel Fibers Reinforcement RAC第76-77页
        4.1.5 Beam-05 Polypropylene Fiber Reinforcement RAC第77-79页
        4.1.6 Beam-06 Polypropylene Fibers Reinforcement RAC第79-80页
        4.1.7 Beam-07 Hybrid Fibres Reinforcement RAC第80-82页
        4.1.8 Beam-08 Hybrid Fibres Reinforcement RAC第82-83页
        4.1.9 Beam-09 Hybrid Fibres Reinforcement RAC第83-85页
        4.1.10 Beam-10 Hybrid Fibres Reinforcement RAC第85-86页
    4.2 Mechanical Properties第86-90页
        4.2.1 Tensile Testing of Steel Reinforcement第86-88页
        4.2.2 Compressive Strength第88-89页
        4.2.3 Splitting Tensile Strength第89-90页
    4.3 Bond Stress-Slip Behavior第90-93页
        4.3.1 Effect of Recycled Concrete Aggregate Replacement第90-91页
        4.3.2 Effect of Addition of Polypropylene Fibers第91-92页
        4.3.3 Effect of Addition of Steel Fibers第92页
        4.3.4 Effect of Addition of Hybrid Fibers第92-93页
    4.4 Bond Toughness第93-96页
        4.4.1 Effect of Recycled Concrete Aggregate Replacement第94页
        4.4.2 Effect of Addition of Polypropylene Fibers第94-95页
        4.4.3 Effect of Addition of Steel Fibers第95页
        4.4.4 Effect of Addition of Hybrid Fibers第95-96页
    4.5 Bond Stiffness第96-99页
        4.5.1 Effect of Recycled Concrete Aggregate Replacement第97页
        4.5.2 Effect of Addition of Polypropylene Fibers第97-98页
        4.5.3 Effect of Addition of Steel Fibers第98页
        4.5.4 Effect of Addition of Hybrid Fibers第98-99页
    4.6 Bond Ductility第99-102页
        4.6.1 Effect of Recycled Concrete Aggregate Replacement第99-100页
        4.6.2 Effect of Addition of Polypropylene Fibers第100-101页
        4.6.3 Effect of Addition of Steel Fibers第101页
        4.6.4 Effect of Addition of Hybrid Fibers第101-102页
    4.7 Experimental vs Empirical第102-104页
    4.8 Brief Summary第104-105页
Conclusions第105-107页
Reference第107-115页
Acknowledgements第115页

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