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基于欧洲规范和中国规范的预应力混凝土箱梁确定性对比分析

ACKNOWLEDGEMENTS第5-6页
摘要第6-7页
ABSTRACT第7页
1 INTRODUCTION第15-19页
    1.1 Background第15-16页
    1.2 Problem Statement第16页
    1.3 Objectives第16-17页
    1.4 Research Study Area and Descriptions第17-19页
2 LITERATURE REVIEW第19-32页
    2.1 Cracking of the Concrete第19页
    2.2 Control of Cracking第19-20页
    2.3 Creep, Shrinkage, Fatigue and Corrosion Models第20-21页
    2.4 Properties of the Prestressing Strands第21-22页
    2.5 Tensioning Schemes第22页
    2.6 Stability-critical Cantilever Benchmarks第22-23页
    2.7 Challenges Encountered by the Bridges in Reinforced Concrete第23-24页
    2.8 Deflection Control第24页
    2.9 Loading of the Prestressed Concrete Bridges第24-28页
        2.9.1 Dead Load第24-25页
        2.9.2 Dynamic Load第25-26页
        2.9.3 The Fatigue Prestress Load第26页
        2.9.4 Post Tensioning Moment第26-27页
        2.9.5 Unfactored Bending Moments due to Dead Load and Live Load第27-28页
    2.10 European Traffic Load Model第28页
    2.11 Post Tensioned Concrete Bridge第28-30页
    2.12 Prestressed Concrete Bridge Deterioration第30页
    2.13 External Stiff Frame第30-31页
    2.14 Composite Bridges for Freeways by Euro Code第31-32页
3 DESIGN BY CHINESE CODE第32-66页
    3.1 Design Content第32-33页
        3.1.1. Structure Calculation Status第33页
        3.1.2 Calculation and Checking of Components第33页
    3.2 Calculation Points第33-34页
        3.2.1 Prestress第33页
        3.2.2 Computing Software第33-34页
        3.2.3 Structure Modeling第34页
    3.3 Material Parameters第34-41页
        3.3.1 Concrete第34-40页
            3.3.1.1 Characteristic Intensity第34页
            3.3.1.2 Elastic Deformation Modulus第34页
            3.3.1.3 Poisson Coefficient第34页
            3.3.1.4 Allowable Compressive Stress第34-37页
            3.3.1.5 Allowable Tensile Stress第37-39页
            3.3.1.6 Allowable shear stress第39-40页
        3.3.2 A Steel Bar (steel)第40页
        3.3.3 Prestressed Reinforcement第40-41页
    3.4 Load Calculation第41-55页
        3.4.1 Structural Dead Load第41页
        3.4.2 Prestress Load第41-46页
        3.4.3 Shrinkage and Creep of Concrete第46-47页
        3.4.4 Vehicle Load第47-51页
        3.4.5 Braking Force第51-53页
        3.4.6 Temperature Load第53-55页
    3.5 Load Combination第55-58页
    3.6 Serviceability Limit State (SLS)第58-59页
    3.7 Sectional Analysis Results第59-61页
    3.8 Calculation of Number of Prestressing Steel第61-62页
    3.9 Checking Stress Calculation第62-66页
4. DESIGN BY EURO CODE AND STANDARDS第66-94页
    4.0 Design Content第66页
    4.1 Calculation of the Structural Limit State第66-67页
    4.2 Calculations第67页
        4.2.1 Prestress Intensity第67页
        4.2.2 Software第67页
    4.3. Parameter of Materials第67-75页
        4.3.1 Concrete Properties第67-72页
        4.3.2 Steels第72-73页
        4.3.3 Prestressed Steel第73-74页
        4.3.4 Prestressing Pipe and Anchor第74-75页
    4.4 Load Calculation第75-88页
        4.4.1 Permanent Structural Load第75-76页
        4.4.2 Prestressed Load第76-79页
        4.4.4 Vehicle Load第79-86页
        4.4.5 Braking第86-87页
        4.4.6 Thermal Load第87-88页
    4.5 Load combination第88-89页
        4.5.1 Ultimate limit state(ULS)第88-89页
        4.5.2 Service limit state (SLS)第89页
        4.5.3 Exploitation Load Limit State Coefficient第89页
    4.6 Sectional Analysis Results第89-90页
    4.7 Calculation of Number of Prestressing Steel第90-91页
    4.8 Checking Stress Calculation第91-94页
5 COMPARISON BETWEEN EURO AND CHINESE CODES第94-103页
    5.1 Comparison Parameter of Chinese and Euro Codes第94-95页
    5.2 Comparison of Bending Moments Between Chinese and Euro Codes第95-96页
    5.3 Comparison number of prestressing by Chinese and Euro Codes第96-97页
    5.4 Comparison of Compression Stress of Beams between Chinese and Euro Codes第97-103页
6 CONCLUSIONS第103-104页
7 REFERENCES第104-108页
附件第108页

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