Prestressed Concrete Bridges

Cover
Half Title Page
Title Page
Copyright
Dedication
Preface to the Second Edition
Preface to the First Edition
Acknowledgements
List of Symbols
Contents
	1. Introduction
		1.1 Historical Evolution of Bridges
		1.2 Advantages of Prestressed Concrete Bridges
		1.3 Pretensioned Prestressed Concrete Bridge Decks
		1.4 Post-Tensioned Prestressed Concrete Bridge Decks
		1.5 Modern Trends in Prestressed Concrete Bridges
		References
	2. Bridge Loading Standards
		2.1 Evolution of Bridge Loading Standards
		2.2 Indian Highway Bridge Loading Standards
		2.3 Highway Bridge Loading Standards of Different Countries
		2.4 Impact Factors
		2.5 Comparative Analysis of Highway Bridge Loading Standards
		2.6 Indian Railway Bridge Loading Standards
		Review Questions
		Objective Type Questions
		References
	3. Materials for Prestressed Concrete Bridges
		3.1 Introduction
		3.2 High Strength Concrete Mixes
		3.3 High Tensile Steel
		3.4 Untensioned Steel or Supplementary Reinforcement
		3.5 Permissible Stresses in Concrete
		3.6 Permissible Stresses in Steel
		3.7 Anchorages and Sheathing Ducts
		Review Questions
		Objective Type Questions
		References
	4. Limit State Design of Reinforced and Prestressed Concrete Bridges
		4.1 Basic Concepts of Limit State Design
		4.2 Limit State Criteria
		4.3 Partial Safety Factors
		4.4 Characteristic and Design Loads
		4.5 Characteristic and Design Strengths
		4.6 Global Factor of Safety
		4.7 Design of Prestressed Concrete Sections for Service Loads
		Review Questions
		Objective Type Questions
		References
	5. Limit State of Strength of Prestressed Concrete Bridge Decks
		5.1 Introduction
		5.2 Flexural Strength of Prestressed Concrete Sections
		5.3 Shear Strength of Prestressed Concrete Sections
		5.4 Torsional Strength of Structural Concrete Sections
		5.5 Ultimate Strength under Flexure, Shear and Torsion
		5.6 Forces in End Blocks
		Assignment
		Review Questions
		Objective Type Questions
		References
	6. Limit State of Serviceability of Prestressed Concrete Bridge Decks
		6.1 Introduction
		6.2 Control of Deflections in Bridge Decks
		6.3 Control of Cracking in Bridge Decks
		6.4 Minimum Grade of Concrete and Cover Requirements
		6.5 Analysis Examples
		Assignment
		Review Questions
		Objective Type Questions
		References
	7. Prestressed Concrete Slab Bridge Decks
		7.1 General Features
		7.2 Analysis of Slab Decks
		7.3 Design Aids and Tables for Prestressed Concrete Bridge Deck Slabs
		7.4 Maximum and Minimum Reinforcements in Slab
		7.5 Design of Post-Tensioned Prestressed Concrete Bridge Deck Slab
		Assignment
		Review Questions
		Objective Type Questions
		References
	8. Prestressed Concrete Tee Beam and Slab Bridge Decks
		8.1 General Features
		8.2 Structural Components of Tee Beam and Slab Bridge Decks
		8.3 Load Distribution Methods for Beam and Slab Bridge Decks
		8.4 Comparative Analysis of Various Load Distribution Methods
		8.5 Design of Post-Tensioned Prestressed Concrete Tee Beam and Slab Bridge Deck
		Assignment
		Review Questions
		Objective Type Questions
		References
	9. Prestressed Concrete Continuous Span Bridge Decks
		9.1 Advantages of Continuous Span Bridge Decks
		9.2 Methods of Prestressing Continuous Bridge Decks
		9.3 Cross-Sections of Prestressed Concrete Continuous Bridge Decks
		9.4 Design of Post-Tensioned Prestressed Concrete Continuous Two Span Beam and Slab Bridge Deck
		Assignment
		Review Questions
		Objective Type Questions
		References
	10. Prestressed Concrete Cellular Box Girder Bridge Decks
		10.1 General Features
		10.2 Advantages of Segmental Box Girder Construction for Long Span Bridge Decks
		10.3 Typical Cross-Sections of Cellular Box Girder Decks
		10.4 Analysis of Box Girder Bridge Decks
		10.5 Design Principles of Box Girder Bridge Decks
		10.6 Construction of Box Girder Bridges
		10.7 Design of Post-Tensioned Prestressed Concrete Two Span Cellular Box Girder Bridge Deck
		Assignment
		Review Questions
		Objective Type Questions
		References
	11. Design of Prestressed Concrete Rigid Frame Bridges
		11.1 General Features
		11.2 Advantages of Rigid Frame Bridges
		11.3 Design Principles of Prestressed Concrete Portal Frames
		11.4 Design of Prestressed Concrete Rigid Frame Bridge
		Assignment
		Review Questions
		Objective Type Question
		References
	12. Prestressed Concrete Cable Stayed Bridges
		12.1 Evolution of Cable Stayed Bridges
		12.2 Advantages of Cable Stayed Bridge Decks
		12.3 Structural Components of Cable Stayed Bridges
		12.4 Towers or Pylons
		12.5 Cable Stays
		12.6 Longitudinal Cable Profiles
		12.7 Superiority of Cable Stayed Bridges over Conventional Bridges
		12.8 Basic Principles of Structural Analysis
		12.9 Structural Analysis of Cable Stayed Bridges
		12.10 Structural Anchorages
		12.11 Dynamic Behaviour and Aerodynamic Stability
		12.12 Construction Methods
		12.13 Economic Studies
		12.14 Design of Prestressed Concrete Cable Stayed Bridge Deck
		Assignment
		Review Questions
		Objective Type Questions
		References
	13. Planning and Economical Aspects of Prestressed Concrete Bridges
		13.1 Introduction
		13.2 Structural Forms for Bridges
		13.3 Cost Considerations of Different Types of Bridge Decks
		13.4 Economic Evaluation
		13.5 Prestressed Concrete Flyovers
		Review Questions
		Objective Type Questions
		References
	14. Construction of Prestressed Concrete Bridges
		14.1 Introduction
		14.2 High Strength Concrete Mixes
		14.3 Batching and Mixing of Concrete
		14.4 Placing of Concrete in Forms
		14.5 Compaction of Concrete By Vibration
		14.6 Rheodynamic Concrete
		14.7 Expansion Joints for Bridge Decks
		14.8 Assembly of Prestressing Steel and Grouting of Ducts
		14.9 Long Span Bridge Construction Techniques
		Review Questions
		Objective Type Questions
		References
	15. Maintenance and Rehabilitation of Prerstressed Concrete Bridges
		15.1 Introduction
		15.2 General Features of Bridge Maintenance and Rehabilitation
		15.3 Maintenance Methodology
		15.4 Inspection of Bridges
		15.5 Inspection Instrumentation
		15.6 Cracks in Prestressed Concrete Bridges
		15.7 Repairs and Rehabilitation of Bridges
		15.8 Repairs of Girders Damaged by Collision
		15.9 Restoration of damaged Prestressed Concrete Beams
		15.10 Strengthening of Beams by Externally Bonded Plates
		15.11 Case Studies of Repairs and Rehabilitation of Bridges
		Review Questions
		Objective Type Questions
		References
	16. World’s Prominent Prestressed Concrete Bridges
		16.1 General Aspects
		16.2 World’s Long Span Prestressed Concrete Bridges
		16.3 Notable Examples of Prestressed Concrete Bridges
		16.4 List of World’s Longest Span Prestressed Concrete Bridges
		References
	Appendices
		Appendix 1: Properties of Prestressing Steels
		Appendix 2: Constants for Beam Sections
		Appendix 3: Post-Tensioning Systems
		Appendix 4: Bending Moment and Shear Force Coefficient for Continuous Beams
		Appendix 5: Grouting of Post-Tensioned Ducts
	Subject Index
	Author Index
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