| 摘要 | 第4-6页 |
| ABSTRACT | 第6-8页 |
| CONTENTS | 第9-17页 |
| LIST OF SYMBOLS | 第17-21页 |
| CHAPTER ONE: INTRODUCTION | 第21-27页 |
| 1.1 GENERAL VIEW | 第21-24页 |
| 1.2 OBJECTIVES OF RESEARCH | 第24页 |
| 1.3 METHODOLOGY OF RESEARCH | 第24页 |
| 1.4 THESIS STRUCTURE | 第24-27页 |
| CHAPTER TWO: LITERATURE REVIEW | 第27-87页 |
| 2.1 INTRODUCTION | 第27页 |
| 2.2 HISTORICAL DEVELOPMENT OF BRIDGES IN THE WORLD AND CHINA | 第27-30页 |
| 2.3 BRIDGE PARTS | 第30页 |
| 2.4 BRIDGES CLASSIFICATION | 第30-31页 |
| 2.5 LOADS ON THE BRIDGE STRUCTURE | 第31-32页 |
| 2.6 PRESTRESSED CONCRETE | 第32-47页 |
| 2.6.1 Principle of Prestressed Concrete | 第32页 |
| 2.6.2 Historical Development of Prestressed Concrete | 第32-35页 |
| 2.6.3 Prestressed Concrete Segmental Box Girder Bridges | 第35-47页 |
| 2.6.3.1 Post-Tensioned Prestressed Concrete | 第36-38页 |
| 2.6.3.2 History of Prestressed Concrete Segmental Box Girder BridgesDevelopment | 第38-41页 |
| 2.6.3.3 Advantages of Prestressed Concrete Segmental Box Girder Bridges In the Bridge Construction | 第41页 |
| 2.6.3.4 Construction Methods of Prestressed Concrete Segmental Box Girder Bridges | 第41-47页 |
| 2.7 STRUCTURAL PERFORMANCE ANALYSIS OF THE BRIDGE STRUCTURE | 第47-51页 |
| 2.7.1 Types of Structural Analysis | 第48-50页 |
| 2.7.1.1 Static Analysis | 第48页 |
| 2.7.1.2 Dynamic Analysis | 第48-50页 |
| 2.7.2 Methods of Structural Analysis | 第50-51页 |
| 2.8 DAMAGE INSPECTION OF THE BRIDGE STRUCTURE | 第51-55页 |
| 2.8.1 History of Damage Inspection Program | 第51-52页 |
| 2.8.2 Inspection Methods of the Bridge Structure | 第52-55页 |
| 2.8.2.1 Inventory (Initial) Inspection | 第52页 |
| 2.8.2.2 Routine Inspection | 第52-53页 |
| 2.8.2.3 Fracture Critical Inspection | 第53页 |
| 2.8.2.4 Underwater Inspection | 第53页 |
| 2.8.2.5 Scour Inspection | 第53页 |
| 2.8.2.6 Special Feature Inspection | 第53页 |
| 2.8.2.7 Under Bridge Inspection Truck (UBIT) | 第53页 |
| 2.8.2.8 In-Depth Inspection | 第53-54页 |
| 2.8.2.9 Damage Inspection | 第54-55页 |
| 2.8.2.10 Interim Inspection | 第55页 |
| 2.8.2.11 Flood Inspection | 第55页 |
| 2.9 DAMAGE OF THE BRIDGE STRUCTURE | 第55-58页 |
| 2.9.1 General Classification of Damages in Bridge Structure | 第56-58页 |
| 2.9.1.1 Classification of Damages According to the Level of Affected | 第56页 |
| 2.9.1.2 Classification of Damages According to the Nature of Deterioration | 第56页 |
| 2.9.1.3 Classification of Damages According to the Place of Deterioration in the Bridge | 第56页 |
| 2.9.1.4 Classification of Damages According to the Load Type | 第56-58页 |
| 2.10 STRENGTHENING, REPAIRING, AND MAINTENANCE METHODS | 第58-73页 |
| 2.10.1 Strengthening Methods | 第58-64页 |
| 2.10.1.1 External Pos-Tensioned Strengthening | 第58页 |
| 2.10.1.2 External Steel Plate Bonding | 第58-59页 |
| 2.10.1.3 Fiber Reinforced Polymer (FRP) Strengthening | 第59-61页 |
| 2.10.1.4 Steel Truss System Strengthening | 第61-62页 |
| 2.10.1.5 Concrete Jacketing Strengthening | 第62-63页 |
| 2.10.1.6 External Shear Steel Reinforcement | 第63-64页 |
| 2.10.2 General Repair Methods of Damaged Bridge Structural Members | 第64页 |
| 2.10.3 Maintenance and Repair of Damaged Bridge Structural Members | 第64-73页 |
| 2.10.3.1 Bridge Maintenance Types | 第65页 |
| 2.10.3.2 Repair of Cracks | 第65-73页 |
| 2.11 RELATED STUDIES | 第73-85页 |
| 2.12 SUMMARY | 第85-87页 |
| CHAPTER THREE: THEORETICAL ANALYSIS OF DESIGNED INTERNAL FORCES OF BRIDGES STRUCTURE | 第87-173页 |
| 3.1 INTRODUCTION | 第87页 |
| 3.2 DESCRIPTION OF SAP2000 VER. 14.2.0 SOFTWEARE | 第87-107页 |
| 3.2.1 Objects of Model | 第87-88页 |
| 3.2.2 Analysis Cases | 第88-90页 |
| 3.2.2.1 Static Analysis | 第88页 |
| 3.2.2.2 Modal Analysis (Dynamic Analysis) | 第88-89页 |
| 3.2.2.3 Response-Spectrum Analysis | 第89-90页 |
| 3.2.2.4 Linear Time-History Analysis | 第90页 |
| 3.2.3 Model Types | 第90-97页 |
| 3.2.3.1 Frame Element Model | 第91页 |
| 3.2.3.2 Shell Element Model | 第91-93页 |
| 3.2.3.3 Solid Element Model | 第93-97页 |
| 3.2.4 Static Internal Forces | 第97-100页 |
| 3.2.4.1 Bending Moment, Axial Force, Shear Force | 第97-98页 |
| 3.2.4.2 Stresses | 第98-99页 |
| 3.2.4.3 Strain | 第99-100页 |
| 3.2.4.4 Deflection | 第100页 |
| 3.2.5 Dynamic Structural Responses | 第100-107页 |
| 3.2.5.1 Basic Dynamic Equations | 第100-101页 |
| 3.2.5.2 Natural Frequency | 第101-102页 |
| 3.2.5.3 Dynamic Acceleration | 第102页 |
| 3.2.5.4 Dynamic Displacement | 第102-103页 |
| 3.2.5.5 Dynamic Velocity | 第103页 |
| 3.2.5.6 Damping | 第103-105页 |
| 3.2.5.7 Impact Factor | 第105-107页 |
| 3.3 THEORETICAL STATIC ANALYSIS OF DESIGNED INTERNAL FORCES OF BRIDGES STRUCTURE | 第107-151页 |
| 3.3.1 Jiamusi Prestressed Concrete Bridge | 第107-122页 |
| 3.3.1.1 Requirements of Analysis | 第107-108页 |
| 3.3.1.2 Description of Bridge Model | 第108-109页 |
| 3.3.1.3 Analysis of Internal Forces Due to Live Load of T-shape Cantilever Structure | 第109-115页 |
| 3.3.1.4 Analysis of Internal Forces Due to Load Combination I of T- shape Cantilever Structure | 第115-117页 |
| 3.3.1.5 Analysis of Internal Forces Due to Load Combination II of T- shape Cantilever Structure | 第117-122页 |
| 3.3.2 Hashuang Prestressed Concrete Box Girder Bridge | 第122-137页 |
| 3.3.2.1 Requirements of Analysis | 第122-123页 |
| 3.3.2.2 Description of Bridge Model | 第123页 |
| 3.3.2.3 Analysis of Internal Forces Due to Live Load | 第123-129页 |
| 3.3.2.4 Analysis of Internal Forces Due to Load Combination I | 第129-133页 |
| 3.3.2.5 Analysis of Internal Forces Due to Load Combination II | 第133-137页 |
| 3.3.3 Sanguxian Prestressed Concrete Box Girder Bridge | 第137-151页 |
| 3.3.3.1 Requirements of Analysis | 第137-138页 |
| 3.3.3.2 Description of Bridge Model | 第138页 |
| 3.3.3.3 Analysis of Internal Forces Due to Live Load | 第138-144页 |
| 3.3.3.4 Analysis of Internal Forces Due to Load Combination I | 第144-147页 |
| 3.3.3.5 Analysis of Internal Forces Due to Load Combination II | 第147-151页 |
| 3.4 THEORETICAL DYNAMIC ANALYSIS OF BRIDGES STRUCTURE | 第151-172页 |
| 3.4.1 Jiamusi Prestressed Concrete Bridge | 第151-158页 |
| 3.4.1.1 Analysis of Natural Frequency and Modal Shape | 第151-153页 |
| 3.4.1.2 Analysis of Vibration Frequency | 第153-154页 |
| 3.4.1.3 Analysis of Impact Factor (1+μ) | 第154页 |
| 3.4.1.4 Analysis of Dynamic Acceleration | 第154-155页 |
| 3.4.1.5 Analysis of Dynamic Displacement | 第155页 |
| 3.4.1.6 Analysis of Dynamic Velocity | 第155页 |
| 3.4.1.7 Analysis of Vertical Deflection under Vehicle Load | 第155-158页 |
| 3.4.2 Hashuang Prestressed Concrete Box Girder Bridge | 第158-165页 |
| 3.4.2.1 Analysis of Natural Frequency and Modal Shape | 第158页 |
| 3.4.2.2 Analysis of Vibration Frequency | 第158-159页 |
| 3.4.2.3 Analysis of Impact Factor (1+μ) | 第159-161页 |
| 3.4.2.4 Analysis of Dynamic Acceleration | 第161页 |
| 3.4.2.5 Analysis of Dynamic Displacement | 第161-162页 |
| 3.4.2.6 Analysis of Dynamic Velocity | 第162页 |
| 3.4.2.7 Analysis of Vertical Deflection under Vehicle Load | 第162-165页 |
| 3.4.3 Sanguxian Prestressed Concrete Box Girder Bridge | 第165-172页 |
| 3.4.3.1 Analysis of Natural Frequency and Modal Shape | 第165页 |
| 3.4.3.2 Analysis of Vibration Frequency | 第165-166页 |
| 3.4.3.3 Analysis of Impact Factor (1+μ) | 第166页 |
| 3.4.3.4 Analysis of Dynamic Acceleration | 第166页 |
| 3.4.3.5 Analysis of Dynamic Displacement | 第166-167页 |
| 3.4.3.6 Analysis of Dynamic Velocity | 第167-170页 |
| 3.4.3.7 Analysis of Vertical Deflection under Vehicle Load | 第170-172页 |
| 3.5 SUMMARY | 第172-173页 |
| CHAPTER FOUR: DAMAGE INSPECTION OF STRUCTURAL MEMBERS OF THE BRIDGES STRUCTURE | 第173-248页 |
| 4.1 INTRODUCTION | 第173页 |
| 4.2 DESCRIPTION OF THE BRIDGES STRUCTURE | 第173-178页 |
| 4.2.1 Jiamusi Prestressed Concrete Bridge | 第173-175页 |
| 4.2.2 Hashuang Prestressed Concrete Bridge | 第175-176页 |
| 4.2.3 Sanguxian Prestressed Concrete Bridge | 第176-178页 |
| 4.3 FIELD DAMAGE INSPECTION OF THE BRIDGE STRUCTURE | 第178-197页 |
| 4.3.1 Equipments of Damage Inspection and Field Test | 第178页 |
| 4.3.2 Damage Inspection of Jiamusi Prestressed Concrete Bridge | 第178-185页 |
| 4.3.2.1 Inspection of Box Girders | 第178-181页 |
| 4.3.2.2 Inspection of Supports, Corbels, and Hanging Beams | 第181-184页 |
| 4.3.2.3 Inspection of the Bridge Deck Pavement | 第184-185页 |
| 4.3.2.4 Inspection of Expansion Joints, Steel Rail, and Sidewalk | 第185页 |
| 4.3.3 Damage Inspection of Hashuang Prestressed Concrete Bridge | 第185-188页 |
| 4.3.4 Damage Inspection of Sanguxian Prestressed Concrete Bridge | 第188-197页 |
| 4.3.4.1 Inspection of Box Girders | 第188-195页 |
| 4.3.4.2 Inspection of Diaphragm | 第195页 |
| 4.3.4.3 Inspection of Bridge Deck Pavement | 第195-196页 |
| 4.3.4.4 Inspection of Bridge Piers | 第196页 |
| 4.3.4.5 Inspection of Expansion Joints, Bearings, and Steel Rails | 第196-197页 |
| 4.4 FIELD TESTS DURING INSPECTION PROCESS | 第197-206页 |
| 4.4.1 Field Tests of Jiamusi Bridge | 第197-203页 |
| 4.4.1.1 Leveling of the Bridge Deck Test (Vertical Deflection Measuring) | 第197页 |
| 4.4.1.2 Concrete Carbonation Test | 第197-201页 |
| 4.4.1.3 Concrete Compressive Strength Test | 第201-202页 |
| 4.4.1.4 Corrosion of Steel Reinforcement Test | 第202-203页 |
| 4.4.2 Field Tests of Hashuang Bridge | 第203-205页 |
| 4.4.2.1 Leveling of the Bridge Deck Test (Vertical Deflection Measuring) | 第203页 |
| 4.4.2.2 Concrete Carbonation Test | 第203-204页 |
| 4.4.2.3 Concrete Compressive Strength Test | 第204-205页 |
| 4.4.2.4 Corrosion of Steel Reinforcement Test | 第205页 |
| 4.4.3 Field Tests of Sanguxian Bridge | 第205-206页 |
| 4.4.3.1 Leveling of the Bridge Deck Test | 第205-206页 |
| 4.4.3.2 Concrete Compressive Strength Test | 第206页 |
| 4.5 STATIC LOAD TEST | 第206-225页 |
| 4.5.1 Static Load Test of Jiamusi Bridge | 第206-212页 |
| 4.5.1.1 Loading of Vehicles | 第207页 |
| 4.5.1.2 Procedure of Static Load Test | 第207-210页 |
| 4.5.1.3 Analysis of Static Load Test Results | 第210-212页 |
| 4.5.2 Static Load Test of Hashuang Bridge | 第212-217页 |
| 4.5.2.1 Loading of Vehicles | 第213-214页 |
| 4.5.2.2 Analysis of Static Load Test Results | 第214-217页 |
| 4.5.3 Static Load Test of Sanguxian Bridge | 第217-225页 |
| 4.5.3.1 Loading of Vehicles | 第218页 |
| 4.5.3.2 Results of Static Load Test | 第218-225页 |
| 4.6 DYNAMIC LOAD TEST | 第225-237页 |
| 4.6.1 Dynamic Load Test of Jiamusi Bridge | 第226-234页 |
| 4.6.1.1 Layout of Measuring Points | 第226-227页 |
| 4.6.1.2 Analysis of Dynamic Load Test Results | 第227-234页 |
| 4.6.2 Dynamic Load Test of Hashuang Bridge | 第234-235页 |
| 4.6.2.1 Natural and Vibration Frequency | 第234页 |
| 4.6.2.2 Dynamic Deflection and Impact Factor | 第234-235页 |
| 4.6.3 Dynamic Load Test of Sanguxian Bridge | 第235-237页 |
| 4.6.3.1 Measuring Points | 第235-236页 |
| 4.6.3.2 Natural Frequency | 第236页 |
| 4.6.3.3 Damping Ratio and Impact Factor | 第236-237页 |
| 4.7 EVALUATION OF THEORETICAL AND EXPERIMENTAL 2STATIC ANALYSIS OF INTERNAL FORCES | 第237-241页 |
| 4.7.1 Jiamusi Prestressed Concrete Bridge | 第237-238页 |
| 4.7.1.1 Vertical Deflection | 第237-238页 |
| 4.7.1.2 Strain of Concrete | 第238页 |
| 4.7.2 Hashuang Prestressed Concrete Box Girder Bridge | 第238-239页 |
| 4.7.2.1 Vertical Deflection | 第238-239页 |
| 4.7.2.2 Strain of Concrete | 第239页 |
| 4.7.3 Sanguxian Prestressed Concrete Box Girder Bridge | 第239-241页 |
| 4.7.3.1 Vertical Deflection | 第239-240页 |
| 4.7.3.2 Strain of Concrete | 第240-241页 |
| 4.8 EVALUATION OF EXPERIMENTAL AND THEORETICAL DYNAMIC ANALYSIS | 第241-243页 |
| 4.8.1 Jiamusi Prestressed Concrete Bridge | 第242页 |
| 4.8.2 Hashuang Prestressed Concrete Box Girder Bridge | 第242页 |
| 4.8.3 Sanguxian Prestressed Concrete Box Girder Bridge | 第242-243页 |
| 4.9 REASONS OF CRACKS AND DOWNWARD DEFLECTION OF THE BRIDGES STRUCTURE | 第243-247页 |
| 4.9.1 Jiamusi Prestressed Concrete Bridge | 第243页 |
| 4.9.2 Hashuang Prestressed Concrete Box Girder Bridge | 第243-245页 |
| 4.9.2.1 The Original Design of Prestressed | 第244页 |
| 4.9.2.2 The Influence of Temperature Gradient | 第244-245页 |
| 4.9.2.3 The Influence of Overloading of Traffic Load | 第245页 |
| 4.9.2.4 Vibration of the Bridge Structure | 第245页 |
| 4.9.3 Sanguxian Prestressed Concrete Box Girder Bridge | 第245-247页 |
| 4.9.3.1 Reasons of Cracks in the Closure Segment (Center of the Bridge) | 第245-246页 |
| 4.9.3.2 Reasons of the Deflection in the Center of the Bridge | 第246页 |
| 4.9.3.3 Reasons of Cracks in the Web of Box Girder | 第246-247页 |
| 4.10. SUMMARY | 第247-248页 |
| CHAPTER FIVE: REPAIRING AND STRENGTHENING OF DAMAGED STRUCTURAL MEMBERS OF THE BRIDGES STRUCTURE | 第248-294页 |
| 5.1 INTRODUCTION | 第248页 |
| 5.2 REPAIRING AND STRENGTHENING OF JIAMUSI PRESTRESSED CONCRETE BRIDGE | 第248-264页 |
| 5.2.1 Repairing the Bridge Deck Pavement | 第248-249页 |
| 5.2.2 Replacement of Expansion Joints | 第249页 |
| 5.2.3 Treatment the Surrounding of Bearing | 第249-250页 |
| 5.2.4 Chemical Grouting Method and Steel Plate for Cracks | 第250页 |
| 5.2.5 Strengthening by Using External Prestressing System | 第250-256页 |
| 5.2.5.1. External Prestressing Tendons | 第250-251页 |
| 5.2.5.2 Construction of Anchor Beams | 第251-252页 |
| 5.2.5.3 Analysis of Anchor Beam Forces | 第252-254页 |
| 5.2.5.4 Design of Anchor Beam Reinforcement | 第254-255页 |
| 5.2.5.5 The Damping Devices | 第255-256页 |
| 5.2.6. Field Tests of External Prestressing System | 第256-264页 |
| 5.2.6.1 Compressive Strength Test of Concrete Anchor Beam | 第256-257页 |
| 5.2.6.2 Tensile Strength Test of Anchor Beam Re-Bars | 第257-258页 |
| 5.2.6.3 Monitoring of External Prestressing Tendons Construction Process | 第258-264页 |
| 5.3 REPAIRING AND STRENGTHENING OF HASHUANG PRESTRESSED CONCRETE BOX GIRDER BRIDGE | 第264-271页 |
| 5.3.1 Treatment of the Cracks | 第265页 |
| 5.3.2 Thickening the Web of Box Girders | 第265-268页 |
| 5.3.3 Construction of Reinforced Concrete Cross Beams | 第268-271页 |
| 5.4 REPAIRING AND STRENGTHENING OF SANGUXIAN PRESTRESSED CONCRETE BOX GIRDER BRIDGE | 第271-292页 |
| 5.4.1 Reconstruction the Deck of the Bridge Structure | 第271-272页 |
| 5.4.2 Treatment of the Cracks | 第272-273页 |
| 5.4.3 Strengthening the Bottom Floor of Box Girders by Using Composite Fiber | 第273页 |
| 5.4.4 Strengthening the Web and Bottom Floor of Box Girders | 第273-275页 |
| 5.4.5 Strengthening the Bridge Structure by Using External Prestressing Tendons | 第275-280页 |
| 5.4.5.1 Layout of External Prestressing Tendons | 第276页 |
| 5.4.5.2 Anchor Beams | 第276页 |
| 5.4.5.3 Deviators Devices | 第276-279页 |
| 5.4.5.4 Damping Devices | 第279-280页 |
| 5.4.6 Field Tests of External Prestressing Anchorage Devices | 第280-284页 |
| 5.4.6.1 Load Test of Abutment Anchor Beam of Side Span (Span No.1) | 第280-283页 |
| 5.4.6.2 Load Test of Steel Deviator Devices of Side Spans | 第283-284页 |
| 5.4.6.3 Load Test of Steel Deviator Devices of Middle Span | 第284页 |
| 5.4.7 Monitoring of External Pre-Stressing System during Construction | 第284-292页 |
| 5.4.7.1 Inspection the Appearance of Concrete Anchor Beams and Deviators Devices | 第286页 |
| 5.4.7.2 Measuring the Deformation of Steel deviator of Middle Span | 第286-289页 |
| 5.4.7.3 Measuring the Vertical Deflection of Bridge Structure | 第289-290页 |
| 5.4.7.4 Measuring the Elongation of External Prestressing Tendons | 第290页 |
| 5.4.7.5 Measuring the Natural Frequency of External Prestressing Tendons | 第290-292页 |
| 5.5 SUMMARY | 第292-294页 |
| CHAPTER SIX: THEORETICAL ANALYSIS, DAMAGE INSPECTION, AND FIELD TESTS AFTER REPAIRING AND STRENGTHENING OF BRIDGES STRUCTURES | 第294-358页 |
| 6.1 INTRODUCTION | 第294页 |
| 6.2 THEORETICAL STATIC ANALYSIS OF THE BRIDGES STRUCTURES | 第294-312页 |
| 6.2.1 Jiamusi Prestressed Concrete Bridge | 第294-299页 |
| 6.2.1.1 Analysis of Internal Forces Due to Load Combination I of T- shape Cantilever Structure | 第294-295页 |
| 6.2.1.2 Analysis of Internal Forces Due to Load Combination II of T- shape Cantilever Structure | 第295-299页 |
| 6.2.2 Hashuang Prestressed Concrete Bridge | 第299-307页 |
| 6.2.2.1 Analysis of Internal Forces Due to Load Combination I | 第299-302页 |
| 6.2.2.2 Analysis of Internal Forces Due to Load Combination II | 第302-307页 |
| 6.2.3 Sanguxian Prestressed Concrete Bridge | 第307-312页 |
| 6.2.3.1 Analysis of Internal Forces Due to Load Combination I | 第307-309页 |
| 6.2.3.2 Analysis of Internal Forces Due to Load Combination II | 第309-312页 |
| 6.3. THEORETICAL DYNAMIC ANALYSIS OF THE BRIDGES STRUCTURES | 第312-317页 |
| 6.3.1 Jiamusi Prestressed Concrete Bridge | 第312页 |
| 6.3.2 Hashuang Prestressed Concrete Bridge | 第312-316页 |
| 6.3.3 Sanguxian Prestressed Concrete Bridge | 第316-317页 |
| 6.4. DAMAGE INSPECTION AND FIELD TESTS ANALYSIS OF JIAMUSI BRIDGE STRUCTURE AFTER REPAIR AND STRENGTHENING | 第317-335页 |
| 6.4.1 Pasting Steel Plate | 第318页 |
| 6.4.2 Expansion Joints Inspection | 第318-319页 |
| 6.4.3 Cracks Observation | 第319页 |
| 6.4.4 Inspection of Deck Pavement | 第319-321页 |
| 6.4.5 Field Tests Analysis of the Bridge Structures | 第321-335页 |
| 6.4.5.1 Leveling of the Bridge Deck Test (Vertical Deflection Measuring) | 第321-322页 |
| 6.4.5.2 Concrete Strength Test | 第322-323页 |
| 6.4.5.3 Measurement of External Pre-Stressing Tendons Vibration Frequency | 第323-324页 |
| 6.4.5.4 Static Load Test | 第324-328页 |
| 6.4.5.5 Dynamic Load Test | 第328-335页 |
| 6.5 DAMAGE INSPECTION AND DYNAMIC LOAD TEST ANALYSIS OF HASHUANG BRIDGE STRUCTURE AFTER REPAIRING AND STRENGTHENING | 第335-341页 |
| 6.5.1 Inspection of Box Girders | 第335-336页 |
| 6.5.2 Inspection the Steel Plates of Outside Floor of Box Girders | 第336页 |
| 6.5.3 Inspection of Concrete Cross Beams | 第336页 |
| 6.5.4 Inspection of Concrete Thickened Web of Box Girders | 第336-337页 |
| 6.5.5 Inspection of Deck Pavement and Side Walk | 第337页 |
| 6.5.6 Inspection of Expansion Joints, Steel rails, Bearing, and Piers | 第337-339页 |
| 6.5.7 Dynamic Load Test | 第339-341页 |
| 6.5.7.1 Layout of Measiring Points | 第339页 |
| 6.5.7.2 Analysis of Natural and Vibration Frequancy | 第339-341页 |
| 6.6 DAMAGE INSPECTION AND FIELD TESTS ANALYSIS OFSANGUXIAN BRIDGE STRUCTURE AFTER REPAIRING AND STRENGTHENING | 第341-356页 |
| 6.6.1 Inspection of Box Girders | 第342页 |
| 6.6.2 Inspection of External Pre-stressing System | 第342-345页 |
| 6.6.3 Inspection of Deck Pavement | 第345页 |
| 6.6.4 Inspection of Expansion Joints and Steel Rails | 第345-346页 |
| 6.6.5 Field Tests Analysis of the Bridges Structures | 第346-356页 |
| 6.6.5.1 Leveling of the Bridge Deck Test (elevation measured) | 第346页 |
| 6.6.5.2 Carbonation Depth of Concrete of Box Girders Test | 第346页 |
| 6.6.5.3 Compressive Strength of Concrete of Box Girders Test | 第346页 |
| 6.6.5.4 Static Load Test | 第346-351页 |
| 6.6.5.5 Dynamic Load Test | 第351-356页 |
| 6.7 SUMMERY | 第356-358页 |
| CHAPTER 7: CONCLUSTIONS | 第358-372页 |
| 7.1 | 第358-370页 |
| 7.1.1 Theoretical Analysis of Static and Dynamic Structural Responses | 第358-360页 |
| 7.1.2 Damages Inspection and Experimental Analysis of Field Tests | 第360-364页 |
| 7.1.3 Repairing and Strengthening of the Bridges Structures | 第364-365页 |
| 7.1.4 Theoretical Analysis of Static and Dynamic Responses after Repairing andStrengthening | 第365-367页 |
| 7.1.5 Damages Inspection and Experimental Analysis of Field Tests afterStrengthening | 第367-370页 |
| 7.2 Comparsion between the Bridges Structures | 第370-372页 |
| REFERANCES | 第372-391页 |
| LIST OF TABLES | 第391-395页 |
| LIST OF FIGURES | 第395-403页 |
| APPENDIX A | 第403-428页 |
| PUBLISHED PAPERS IN THE Ph.D PERIOD | 第428-433页 |
| ACKNOWLEDGEMENTS | 第433-434页 |
| RESUME | 第434-439页 |
| DEDICATION | 第439页 |
