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基于不同方法的在役桥梁承载能力评估

摘要第5-6页
ABSTRACT第6-7页
Chapter One Introduction第19-24页
    1.1 Overview第20-22页
    1.2 Research Objectives第22-23页
    1.3 Outline of the thesis第23-24页
Chapter Two Background第24-61页
    2.1 Overview of Bridge Carrying Capacity Evaluation第25-26页
    2.2 Bridge Bearing Capacity Evaluation Methodologies第26-27页
    2.3 Chinese Methodology第27-38页
        2.3.1 Equations第27-34页
        2.3.2 Calculation coefficient of load bearing capacity第34-36页
        2.3.3 Load-bearing capacity deterioration factor第36-37页
        2.3.4 Cross-section reduction factor第37-38页
    2.4 American(AASHTO) brides rating methodology第38-52页
        2.4.1 Rating Equations第40-43页
        2.4.2 Condition and System Factors第43-45页
        2.4.3 Live Load Factors第45页
        2.4.4 Levels of Bridges rating第45-49页
        2.4.5 Live Load Models第49页
        2.4.6 Previous studies第49-52页
    2.5 British(Highways Agency) methodology第52-60页
        2.5.1 Equations第53-54页
        2.5.2 Assessment Resistance第54-55页
        2.5.3 Assessment Load第55-56页
        2.5.4 Levels of assessment第56-58页
            2.5.4.1 Level 1 assessment第56-57页
            2.5.4.2 Level 2 assessment第57页
            2.5.4.3 Level 3 assessment第57页
            2.5.4.4 Level 4 assessment第57-58页
        2.5.5 Level 5 assessment第58页
        2.5.6 Live Load Models第58-60页
    2.6 Summary第60-61页
Chapter Three EXPREMENTAL WORK第61-68页
    3.1. Bridge Samples第62页
    3.2. The Appearance Quality Assessment第62-63页
    3.3. Materials Tests第63页
    3.4. Concrete Strength Test第63-64页
    3.5. Concrete Carbonation Depth Test第64-65页
    3.6. Concrete Cover Thickness Test第65-66页
    3.7. Half-cell potential measurements第66-67页
    3.8. Summary第67-68页
Chapter Four LOAD-BEARING CAPACITY RESULTS第68-134页
    4.1 Overview第69页
    4.2 Chinese Methodologies Results第69-86页
        4.2.1 Effect of Calculation Load Bearing Capacity Coefficient第77-80页
        4.2.2 Effect of Bridges Span Length第80-84页
        4.2.3 Analysis of Carrying Capacity Results第84-86页
    4.3 American (AASHTO) Methodology Rating Results第86-93页
        4.3.1 Span Length第89-91页
        4.3.2 Analysis of Rating Results第91-93页
    4.4 British Methodology Results第93-95页
    4.5 Comparisons of Load-Bearing Capacity Assessment Methodologies第95-126页
        4.5.1 Comparison of Chinese Methodology with AASHTO and DMRB 第95-119页
            4.5.1.1 Comparison of Trail Method with LFR, LRFR, and BD21 第95-107页
            4.5.1.2 Comparison of JTG Method with LFR, LRFR. and BD21 第107-119页
        4.5.2 Comparison of AASHTO LFR and LRFR Methodologies with 第119-126页
            4.5.2.1 Comparison of LFR with BD21 Methodology第119-122页
            4.5.2.2 Comparison of LRFR with BD21 Methodology第122-126页
    4.6 Summary第126-134页
Chapter Five LOAD TEST第134-179页
    5.1 Overview of Bridge Load Test第135-136页
    5.2 Chinese Method第136-143页
        5.2.1 Assessment of Structure Working Condition第137-140页
        5.2.2 Computation of Load Bearing Capacity Coefficient Z_2 Based on the Load Test第140-141页
        5.2.3 Carrying Capacity from the Load Test Equations第141-143页
    5.3 American bridge rating from Load Test第143-146页
        5.3.1 NCHRP Load rating through diagnostic load testing第144-146页
    5.4 Load Test Results第146-157页
        5.4.1 The efficiency of static load test factor第150-151页
        5.4.2 Calibration coefficient第151-153页
        5.4.3 Dynamic test第153-157页
    5.5 Chinese bridge carrying capacity results第157-164页
    5.6 American Brides load rating results第164-169页
    5.7 Chinese and American methodologies comparison第169-176页
    5.8 Summary第176-179页
Chapter Six Conclusion and Recommendation第179-184页
    6.1. Conclusions第180-182页
    6.2. Recommendations第182-184页
References第184-191页
Appendices第191-236页
Acknowledgment第236页

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