声明
摘要
Abstract
TABLE OF CONTENTS
LIST OF TABLES
LIST OF FIGURES
CHAPTER 1 LiteratUre Keview
1.1 Introduction
1.2 Fiber Reinforced Polymer(FRP)
1.3 Matrix Resins
1.4 Advantages and Disadvantages of Using FRP Reinforcement
1.5 Short Term Mechanical Behavior Enhancement of FRP Composites
1.5.1 Hybrid FRP Sheets
1.5.2 Hybrid FRP bars
1.5.3 Steel-FRP-Hybrid bars
1.6 Long-Term Behavior of Hybrid FRP Composites
1.7 Adhesive Composite Joints
1.8 FRP-RC Bridge Deek Slab
1.8.1 Behavior of RC Deek Slabs Reinforced with FRP Composites
1.8.2 Transverse Prestressing Effect on the Performance of Bridge Deck Slabs
1.8.3 Field Applications of FRP-RC Bridge Deck Slabs
1.9 Design of Internally Restrained Cast-in-Place Deck Slabs
1.9.1 Design by Empirical Method
1.9.2 Flexural Design Method of the FRP-RC Bridge Deck Slab
1.10 References
CHAPTER 2 Theoretical Study on the Mechanical Property of Hybrid FRP Composites
Summary
2.1 IntroductiOn
2.2 Proposed Model for Predicting Tensile Performance of Hybrid FRP Composites
2.2.1 Failure Mechanism
2.2.2 Simulation Of Interfacial Stress Transfer in Hybrid FRP Composites
2.2.3 Fundamental Interface Models
2.2.4 Theoretical Analysis
2.3 Evaluation of the Proposed Model
2.4 Conclusions
2.5 REferences
CHAPTER 3 Experiments and Modeling of Performance of FRP Tendons withFiber Hybridization
Summary
3.1 Introduction
3.2 Experimental Studies
3.2.1 Material and Specimen Specifications
3.2.2 Sample Preparation and Test Set-Up
3.3 Experimental Results
3.3.1 Non-Hybrid Tendons
3.3.2 Hybrid Tendons
3.4 Design Aids of Hybrid FRP Tendons
3.4.1 Empirical Control Indices Based on the Rule of Mixture Law
3.4.2 Analytical Model Based on Fracture Mechanics Concepts
3.5 Conclusions
3.6 References
CHAPTER 4 Mechanical Behavior of Bridge Deck Slabs Partially Prestressedwith Hybrid FRP Tendons
Summary
4.1 Introduction
4.2 Experimental Work
4.2.1 Material Properties
4.2.2 Test Specimens
4.2.3 Anchoring and Prestressing System
4.2.4 Instrumentation
4.2.5 Test Setup and Procedure
4.3 Tests Results and Discussion
4.3.1 Cracking Behavior and Mode of Failure
4.3.2 Cracking and Ultimate Loads
4.3.3 Crack Width
4.3.4 Defleetion Behavior
4.3.5 Reinforcement and Concrete Strains
4.4 Comparison of Experimental and Predicted Punching strength
4.5 Conclusions
4.6 References
CHAPTER 5 Numerical Study on Behavior of Partially Prestressed FRP-RC Bridge Deck Slabs
Summary
5.1 Introduction
5.2 Finite Eiement Modelling
5.2.1 Element Selection
5.2.2 Material Properties
5.2.3 Modeling of Slab Geometry
5.3 Evaluation of the FE Model
5.4 Parametric Study
5.4.1 Influence of Partial Prestressing Index
5.4.2 Influence of Prestress Level
5.4.3 Influence of Prestressed-Tendons Eccentricity
5.4.4 Influence of Spacing between the Prestressed Tendons
5.4.5 Influence of Top Reinforcement
5.5 Conclusions
5.6 References
CHAPTER 6 Conclusions and Future Research
6.1 IntroduCtion
6.2 Theoretical and Experimental Study of Hybrid FRP Tendons
6.3 Reinforeed Concrete Bridge Deck Slabs Reinforced and Prestressed withHybrid FRP Tendons
6.4 Future Research
Author Papers Published During the PhD
东南大学;