Description

This edition incorporates the provisions of ACI 318-02 Building Code and ACI 423.3R-03, “Recommendations for Concrete Members Prestressed with Unbonded Tendons.” This manual is updated to reflect the latest in post-tensioning industry design practices and presents the basic concepts of designing post-tensioned floor systems in a clear and concise matter.

82 pages; 8½ x 11 in. (soft cover)

Published 2004

Table of Contents

Table of Contents

1.0 INTRODUCTION

1.1 Historical Background

1.2 Project Examples

1.3 Advantages of Post-Tensioning in Slabs

2.0 DESIGN FUNDAMENTALS OF POST-TENSIONED SLABS

2.1 One- vs. Two-Way Slabs

2.2 Span/Depth Ratios

2.3 Fire Resistance

2.4 The Load Balancing Concept

2.5 Prestress Losses

2.6 Secondary Moments

2.7 Serviceability Requirements (Flexure)

2.8 Flexural Strength Requirements

2.9 Limits of Reinforcement

2.10 Deflection Criteria

2.11 Moment Redistribution

2.12 Seismic Considerations

2.13 Catastrophic Loadings

2.14 Methods of Analysis

2.15 Miscellaneous Considerations

2.16 Step-By-Step Analysis and Design Procedure

3.0 FLEXURE AND SHEAR IN ONE-WAY SLABS

3.1 Flexure

3.2 Shear

4.0 FLEXURE AND SHEAR IN TWO-WAY SLABS

4.1 Slab Types

4.2 Flexure

4.3 Shear

5.0 CONSTRUCTION CONSIDERATIONS

5.1 Material Requirements

5.2 Formwork

5.3 Installation Equipment

5.4 Corrosion Protection

5.5 Tolerances

5.6 Construction Joints and Closure Strips

5.7 Restraint Forces from Supporting Walls and Columns

6.0 DESIGN EXAMPLES

6.1 Design of a One-Way Slab

6.2 Design of a Two-Way Slab

7.0 References

APPENDIX A- Summary of Research on Post-Tensioned Slabs

APPENDIX B - CONVERSION TABLE

ADDENDA AND ERRATA INFO

Any applicable addenda or errata are included with individual documents at the time of purchase. For a listing of and access to all product addenda and errata, visit the Addenda and Errata page. Errata page.

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