1 Introduction
1.1 Corrosion and Retrofitting of Structures
1.1.1 Seismic Performance of Corrosion-DamagedStructures
1.1.2 Retrofitting of Structures
1.2 State-of-the-Art of Retrofitting of Structures
1.2.1 Bond Stress-Slip Relationship Between FRP Sheets and Concrete
1.2.2 Behavior of Beams Retrofitted with FRP
1.2.3 Seismic Performance of Columns Retrofitted with FRP
1.2.4 Seismic Performance of Beam-Column Joints Retrofitted with FRP
1.2.5 Seismic Performance of Shear Walls Retrofitted with FRP
1.2.6 Bond Behavior Between FRP Bars and Concrete
1.3 Objectives and Scope
References
2 Bond Stress-Slip Relationship Between BFRP Sheets and Concrete Under Dynamic Loading
2.1 Effective Bond Length of BFRP Sheets Bonded to Concrete Under Dynamic Loading
2.1.1 Experimental Program
2.1.2 Failure Modes
2.1.3 Relationship Between Load and Displacement
2.1.4 Bond Strain and Bond Stress
2.1.5 Dynamic Effective Bond Length
2.2 Bond Stress-Slip Relationship Between BFRP Sheets and Concrete Under Dynamic Loading
2.2.1 Experimental Program
2.2.2 Bond Stress Under Dynamic Loading
2.2.3 Ultimate Load Under Dynamic Loading
2.2.4 Bond-Slip Relationship Under Dynamic Loading
2.3 Dynamic Bond Stress-Slip Relationship Between BFRP Sheets and Concrete Under Initial Static Loading
2.3.1 Experimental Program
2.3.2 Failure Modes
2.3.3 Maximum Dynamic Bond Stress
2.3.4 Dynamic Effective Bond Length
2.3.5 Dynamic Ultimate Load
2.3.6 Dynamic Bond-Slip Relationship
2.4 Summary
References
3 Retrofitting of Reinforced Concrete Beam with BFRP Sheets
3.1 Influence of Initial Cracks on the Frequency of RC Box Beam
3.1.1 Experimental Program
3.1.2 Test Result of Natural Frequency
3.1.3 Theoretical Analysis on Natural Frequency
3.1.4 Comparison on the Analytical Results and Test Data of Natural Frequency
3.1.5 Test Result of Deflection
3.1.6 Comparison on the Analytical Result and Test Data of Deflection
3.2 Behavior of RC Box Beam with Initial Cracks Retrofitted with BFRP Sheets
3.2.1 Experimental Program
3.2.2 Load-Bearing Capacity
3.2.3 Cracking Characteristics
3.2.4 Stiffness of Specimens
3.2.5 Strain Distribution in BFRP Sheets
3.3 Behavior of Reinforced Concrete Box Beam Retrofitted with BFRP Using End Anchorage in Grooving
3.3.1 Experimental Program
3.3.2 Failure Mode and Cracking Characteristics
3.3.3 Ductility of Specimens
3.3.4 Load-Bearing Capacity of Specimens
3.3.5 Stiffness and Natural Frequency
3.3.6 Relationship Between Load and Strain
3.4 Behavior of Reinforced Concrete Box Beam Retrofitted with BFRPs Using Steel Plate Anchorage
3.4.1 Experimental Program
3.4.2 Analysis on Cracking Characteristics
3.4.3 Analysis on Ductility
3.4.4 Analysis on Load-Bearing Capacity
3.4.5 Stiffness and Natural Frequency
3.4.6 Relationship Between Load and Strain
3.5 Summary
References
4 Retrofitting of Corrosion-Damaged Reinforced Concrete Columns with BFRPs
4.1 Seismic Performance of Corrosion-Damaged Columns
4.1.1 Experimental Program
4.1.2 Failure Modes
4.1.3 Hysteretic Capacity
4.1.4 Skeleton Curves
4.1.5 Ductility and Load-Bearing Capacity
4.2 Seismic Performance of Corrosion-Damaged Columns Retrofitted with BFRP Sheets
4.2.1 Specimen Design and Fabrication
4.2.2 Failure Modes
4.2.3 Hysteretic Response
4.2.4 Skeleton Curves
4.2.5 Ductility and Load-Bearing Capacity
4.3 Summary
References
5 Retrofitting of Corrosion-Damaged Reinforced Concrete Beam-Column Joints with BFRP Sheets
5.1 Seismic Performance of Corrosion-Damaged Beam-Column Joints
5.1.1 Experimental Program
5.1.2 Crack Pattern and Failure Modes
5.1.3 Hysteretic Response
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