CONTENTS
APPROVAL II
Acknowledgment III
Abstract IV
List of figures VII
List of tables VIII
List of charts IX
1 Introduction 1
1.1 Need for study 1
1.2 Objective 2
1.3 Methodology 2
1.4 Scope of work 3
2 Literature Study 4
2.1 Post-tensioning Methods 5
2.2 Support Conditions 9
3 Design Considerations 11
4 Design of Prestressed Pavements System 17
4.1 Design of pre-stressing system: 18
4.2 Panel Thickness 20
4.3 Finalize Prestressing system: 22
4.4 Expansion Joint Design 23
4.4.1 Immediate PTSection shortening caused by posttensioning: 23
4.4.2 Temperature associated PTSection End movements 23
4.4.3 Concrete creep associated PTSection End movement 24
4.4.4 Concrete Shrinkage associated PTSection End Movement 24
4.4.5 Total PTSection End Movements: 24
4.4.6 Joint Sealant Selection 25
4.4.7 Joint width at the time of installation 25
5 Design Illustration Tables 26
5.1 Flexural stresses 26
5.2 Prestressing System 32
5.3 Design Illustration 38
6 Conclusion 43
Annexures 44
References 47