首页--交通运输论文--公路运输论文--隧道工程论文--隧道结构理论论文

隧道衬砌腐蚀后强度研究

摘要第7-10页
Abstract第10-11页
List of Contents第12-17页
List of Figures第17-20页
List of Tables第20-21页
Chapter One Introduction第21-28页
    1.1 General第21-22页
    1.2 Problem Statement第22-24页
        1.2.1 Corrosion Problems in Reinforced Concrete第22-23页
        1.2.2 Effect of Reinforcement Corrosion of Performance of RC Structure第23页
        1.2.3 The Reinforcement Corrosion on the Tunnel Lining第23-24页
    1.3 Economic Significance of Reinforcement Corrosion第24-25页
    1.4 Need for Research第25页
    1.5 Objectives of Thesis第25-26页
    1.6 Thesis Outline第26-28页
Chapter Two Corrosion Definition第28-41页
    2.1 Background第28页
    2.2 Corrosion Process第28-30页
        2.2.1 Carbonation Induced Corrosion第29页
        2.2.2 Chloride Induced Corrosion第29-30页
    2.3 Concrete Environment第30页
    2.4 Corrosion in Concrete第30-32页
    2.5 Corrosion Effects on Concrete Structures第32页
    2.6 Bond between Steel and Concrete第32-36页
        2.6.1 Bond Mechanism第32-33页
        2.6.2 Factors Affecting on the Bond Behavior第33-35页
        2.6.3 Bond Test Specimens第35-36页
        2.6.4 Effect of Corrosion on Bond第36页
    2.7 Corrosion Detection Techniques第36-40页
        2.7.1 Open Circuit Potential(half-cell measurements)EOC第36-37页
        2.7.2 Potentiodynamic Scan and Cyclic Polarization第37-38页
        2.7.3 Linear Polarization Resistance(LRP)第38-39页
        2.7.4 Electrochemical Impedance Spectroscopy(EIS)第39-40页
    2.8 Summary第40-41页
Chapter Three The Corrosion Process and Mechanism in Reinforced Concrete Tunnel Lining第41-63页
    3.1 General第41页
    3.2 Corrosion Mechanism第41-43页
    3.3 Corrosion Initiation and Propagation第43-45页
        3.3.1 Influence of the Moisture Content of Concrete第44页
        3.3.2 Oxygen Depletion第44-45页
    3.4 Transport Processes in Concrete第45-47页
        3.4.1 Transport Mechanisms第45-46页
        3.4.2 Influence of the Relative Humidity第46-47页
        3.4.3 Transport Processes under Practical Conditions第47页
    3.5 Effect of Reinforcement Corrosion on Behavior of Concrete Members第47-54页
        3.5.1 Time to Cover Cracking of Concrete Due to Corrosion第49-50页
        3.5.2 Effect of Reinforcement Corrosion on Bond between Steel and Concrete第50-52页
        3.5.3 Strength of a Corroding Reinforced Concrete Member第52-54页
        3.5.4 Summary第54页
    3.6 Modeling an Effect of Corrosion Level on the Structural第54-60页
        3.6.1 General Concepts第54-56页
        3.6.2 Three-Dimensional Modeling of Corrosion第56-58页
        3.6.3 Previews Studies at Tunnel Lining Durability in China第58-60页
    3.7 Concluding Remark第60-63页
Chapter Four Material and Laboratory Experiment第63-78页
    4.1 General第63页
    4.2 Test Variables第63-64页
    4.3 Test Specimens第64页
    4.4 Specimen Fabrication第64-65页
    4.5 Concrete Component第65-66页
    4.6 Preparation of Compound Column and pullout Specimens第66-67页
        4.6.1 Concrete Mix Proportions第66-67页
        4.6.2 Casting and Curing Process for Specimens第67页
    4.7 Specimens Design第67-68页
        4.7.1 Bending-compression Specimen's Designation第67-68页
        4.7.2 Pullout Test Sample Designation第68页
    4.8 Experimental Test第68-77页
        4.8.1 Compressive Strength of Concrete第68-69页
        4.8.2 Steel Bar Tensile Strength第69页
        4.8.3 Corrosion Acceleration Technique第69-71页
        4.8.4 Corrosion Rate Test第71-72页
        4.8.5 Pullout Test第72-73页
        4.8.6 Bending-Compression Test第73-77页
    4.9 Summary第77-78页
Chapter Five Experiment and Results Analysis第78-118页
    5.1 General第78页
    5.2 Compressive Strength of Concrete第78页
    5.3 Tensile Stress of R.C Steel Bar第78-79页
    5.4 Pullout Test Result第79-91页
    5.5 Bending-Compression Test Result第91-111页
        5.5.1 Control Specimens' Results第91-96页
        5.5.2 Four Days Corrosion Specimens' Results第96-102页
        5.5.3 Six Days Corrosion Specimens' Results第102-105页
        5.5.4 Eight Days Corrosion Specimen Results第105-111页
    5.6 Effect of Chosen Variriables on Reinforcement Corrosion第111-116页
        5.6.1 General第111页
        5.6.2 Pullout Test Sample第111-112页
        5.6.3 Bending-compression Specimen第112-116页
    5.7 Summary第116-118页
Chapter Six Evaluation of Residual Strength for Corroded Tunnel Lining第118-134页
    6.1 Background第118页
    6.2 Bases for the Evaluation of Residual Strength第118页
    6.3 Numerical Analysis Model for Tunnel lining under different Condition第118-123页
    6.4 Evaluation and prediction Residual Strength Criteria第123-126页
        6.4.1 General第123页
        6.4.2 Bond Strength第123-124页
        6.4.3 Cracking第124-125页
        6.4.4 Specimen Performance第125-126页
    6.5 Structural Steps for Evaluation and prediction Residual Strength第126-128页
        6.5.1 Factors Influence on the Tunnel Lining Strength第126页
        6.5.2 Corroded Tunnel Lining Strength Mechanism第126-127页
        6.5.3 Corroded Tunnel Lining Strength Prediction Criteria第127页
        6.5.4 Corroded Tunnel Lining Strength Mechanism第127-128页
    6.6 Case Study第128-133页
        6.6.1 General Information第128-130页
        6.6.2 Evaluation of Strength for Tunnel Lining With Corrosion Condition第130-133页
    6.7 Summary第133-134页
Chapter Seven Conclusion and Recommendation第134-139页
    7.1 Conclusion第134-138页
    7.2 Recommendations第138-139页
Acknowledgements第139-140页
Bibliography第140-147页
List of Notations第147-149页
Book Publications第149页
Research Publications第149页
Publications (Submitted or Under Revision)第149-150页
附件第150-151页

论文共151页,点击 下载论文
上一篇:核受体LXR对损伤血管内皮修复的影响及机制研究
下一篇:冷原子干涉实验的激光频率以及过程的自动控制