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钢丝网增强超高性能混凝土—混凝土组合柱轴压性能

Abstract第4页
CHAPTER 1. INTRODUCTION第7-10页
CHAPTER 2. BACKGROUND AND MATERIAL第10-22页
    2.1 BACKGROUND第10-16页
    2.2 RAW MATERIAL第16-22页
        2.2.1 Material mechanics behaviour第16-22页
            2.2.1.1 Compression behaviour of UHPFRC第16-18页
            2.2.1.2 Tension behaviour of UHPFRC第18-19页
            2.2.1.3 Longitudinal and transverse reinforcements第19-22页
CHAPTER 3. SIZE EFFECT ON UNIAXIAL TENSION OF UHPFRC第22-56页
    3.1 INTRODUCTION第22-23页
    3.2 LITERATURE REVIEW第23-30页
        3.2.1 Size effect in concrete compressive strength第23-24页
        3.2.2 Size effect in elastic modulus of concrete第24页
        3.2.3 concrete tensile strength第24-25页
        3.2.4 Size effect in concrete tensile strength第25-28页
        3.2.5 Pull out behaviour of steel fibers第28-30页
        3.2.6 Other physical properties第30页
    3.3 RESEARCH SIGNIFICANCE第30-32页
    3.4 OBJECTIVE AND SCOPE第32页
    3.5 UNIAXIAL TENSION TEST METHODOLOGY第32-41页
        3.5.1 Review第32-34页
        3.5.2 Test methodology第34-35页
        3.5.3 Characteristics of the proposed methodology第35页
        3.5.4 Determination of design stress strain curve for UHPFRC第35-38页
        3.5.5 Fiber orientation coeffient (K factor) according to AFGC 2013第38-41页
    3.6 EXPERIMENTAL PROGRAM第41-47页
        3.6.1 General第41页
        3.6.2 Test specimens第41-42页
        3.6.3 Specimen preparation and casting第42-44页
        3.6.4 Relation between casting process and tensile behaviour of UHPFRC第44-45页
        3.6.5 Other parameters affecting tensile behaviour of UHPFRC第45页
        3.6.6 Testing procedure第45-46页
        3.6.7 Instrumentation and measurements第46-47页
    3.7 RESULTS OF UNIAXIAL TENSION TESTS第47-56页
        3.7.1 General第47页
        3.7.2 Experimental results modification第47-48页
        3.7.3 Failure modes第48-50页
        3.7.4 Uniaxial tensile strength第50页
        3.7.5 Comparison between wire meshed and non wire meshed NDB第50-52页
        3.7.6 Tensile behaviour due to size effect第52-56页
CHAPTER 4. UNIAXIAL COMPRESSION OF HYBRID COMPOSITE COLUMN第56-83页
    4.1 INTRODUCTION第56-58页
        4.1.1 Proposed hybrid UHPFRC tube system第56-57页
        4.1.2 Research objective and scope第57-58页
        4.1.3 Problem第58页
    4.2 LITERATURE REVIEW第58-61页
        4.2.1 Concrete filled steel tubes (CFST)第58-60页
        4.2.2 FRP tubes第60-61页
        4.2.3 Ferro cement confinement第61页
    4.3 DESIGN OF TEST SPECIMENS第61-62页
    4.4 CONSTRUCTION PROCESS OF TEST SPECIMENS第62-66页
        4.4.1 Formwork第63页
        4.4.2 Fabrication of steel cage第63-64页
        4.4.3 Instrumentation of reinforcing bars第64-65页
        4.4.4 Casting and curing第65-66页
    4.5 EXPERIMENTAL SETUP第66-67页
    4.6 TESTING PROCEDURE第67-68页
    4.7 TEST RESULTS AND OBSERVATIONS第68-83页
        4.7.1 Failure mechanism第68-70页
        4.7.2 Results and analysis第70-83页
            4.7.2.1 Crack pattern第71-74页
            4.7.2.2 Fiber volume efect第74-76页
            4.7.2.3 Transverse steel ratio effect第76-78页
            4.7.2.4 Wire mesh effect第78-79页
            4.7.2.5 Comparison between HCC and NCC第79-80页
            4.7.2.6 Ductility of Hybrid Composite Column (HCC)第80-83页
CHAPTER 5. CONCLUSIONS第83-84页
    5.1 SIZE EFFECT ON UNIAXIAL TENSION OF UHPFRC第83页
    5.2 UNIAXIAL COMPRESSION BEHAVIOUR OF HYBRID COMPOSITE COLUMN第83-84页
REFERENCES第84-89页
ACKNOWLEDGEMENTS第89页

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