Civil Engineering Association

DETAILING FOR POST-TENSIONED

Contents
1.Preface
1. Introduction 2
1.1 Objective and Scope 2
1.2 Background 2
1.3 Organization of Report 3
2. General Principles 4
2.1 Post-tensioning in a Nut Shell 4
2.2 Design Models 4
2.3 Performance Criteria 5
2.4 General and Local Anchorage Zones 7
3. Local Zone Design 8
3.1 General 8
3.2 VSL Anchorage Type E 8
3.3 VSL Anchorage Type EC 10
3.4 VSL Anchorage Type L 11
3.5 VSL Anchorage Type H 13
4. General Zone Design 16
4.1 Single End Anchorages 16
4.2 Multiple End Anchorage 19
4.3 Interior Anchorages 19
4.4 Tendon Curvature Effects 26
4.5 Additional Considerations 31
5. Design Examples 34
5.1 Multistrand Slab System 34
5.2 Monostrand Slab System 36
5.3 Bridge Girder 38
5.4 Anchorage Blister 43
6. References 49

VSL Technical Report Series

In addition to posting up, VSL International has edited and published this series of reports that provide valuable information on post-tensioned concrete applications and best practices:

VSL Report Series 5 - Grouting of PT Tendons (PDF - 515 KB)

VSL Report Series 4 - 4.1 PT Buildings (PDF - 1.5 MB)

VSL Report Series 4 - 4.2 PT Slabs (PDF - 3.7 MB)

VSL Report Series 3 - PT Detailing (PDF - 1.3 MB) (the post above)

VSL Report Series 2 - PT Masonry Structures (PDF - 1.1 MB)

VSL Report Series 1 - PT External (PDF - 1.1 MB)

PT Concrete Storage Structures (PDF - 2.0 MB)

PT Floating Concrete Structures (PDF - 1.1 MB)

PT Foundations (PDF - 1.4 MB)

PT Ground Anchors (PDF - 906 KB)

PT Incremental Launching Method (PDF - 394 KB)

PT Pressure Tunnels (PDF - 261 KB)

VSL Soil and Rock Anchors (PDF - 1.4 MB)