Prestressed Concrete

CONTENTS
Chapters
1.General Principles of Prestressed Concrete Members Introduction-Definition-Need for prestressing-Use of high strength concrete -Use of high tensile steel - Assumptions-Stress concept-Beam with concentric tendon-Effect of loading on the stress in the tendons - Beam with eccentric tendon-Effect of loading on the stress in the tendons - Beam with bent tendon- Beams of rectangular, T and I sections - The pressure line - C-line and P-line - OES-S Strength concept - Review of different technics-Designs 1 to 44
.
2.System of Prestressing
Classification of prestressed concrete members - Externally and internally prestressed members-Linear prestressing-Pretensioning-Post-tensioning- Bonded and unbonded tendons- The Hoyer system-The Freyssinet system- The Magnel Blaton system - The Gifford Udall system-C.C.L. standard system- The Lee-Mccall system. 
3.Loss of Prestress......
Losses of prestress at various stages-Loss of stress due to length and curvature effects- Loss of stress at the anchoring stage-Loss of stress due to shrinkage of concrete-Loss of stress due to creep of concrete-Loss of stress due to elastic shortening of concrete-Loss of stress due to creep in steel-Designs 45 to 66 4.Design of Prestressed Concrete Beams.................
Simply supported beams- Design principles-I.S. Recommendations-Permissible stresses-Various stages of analysis-Lever arm conception - P and Clines - Kern distance-Rectangular and I sections.- Designs 67 to 76. 
5.Shear
Shear stresses - Principal tensile stress-Shear reinforcement - Vertical prestressing-Shear stresses and principal stresses due to torsion-Designs 77 to
81.
6.Deflection of Prestressed Concrete Members
Need to determine deflections-Short term deflection-Deflection caused by tendon-Deflection caused by loads - Long time deflection-permissible deflection -Designs 82 to 86.
7.Tension and Compression Members .....
Tension members-Various approaches-Design principles-Strains in prestressed concrete tension members-Tension members designed on cracking and ultimate strength consideration-Compression members-Direct loading-Direct loading and bending - Design Principles - Designs 87 to 92.
8. End Block
Introduction-Stresses in the end block-Spalling and Bursting stresses- Transmission zone-Magnel's method - Horizontal, vertical and shear stresses- Guyon's method - Anchor plate-Anchor plate placed symmetrically - Anchor plate placed ecentrically-End block with two anchor plates I.S. recommendations- Designs 93 to 100.

9.Continuous Beam

Important conceptions- The P-line and C-line - Primary moment -Secondary moment- Analysis of prestressed concrete continuous beams-Concordant cable profile - Linear transformation- Non-concordant cable profile - Design consideration - Designs 
10.Prestressed Circular Tanks and Pipes

11.Introduction-Composite construction- Unpropped method-Propped method- I.S. recommendations-Shrinkage stresses-Designs 110 to 112. Prestressed Concrete Composite Beam......................
Introduction-Composite construction- Unpropped method-Propped method-

12.I.S. recommendations-Shrinkage stresses-Designs 112A to 118 Small Prestressed Concrete Dams
Introduction-Stresses due to dead load-Stresses due to prestress-Stresses due to water pressure-Design requirements-Design 119.

13.Prestressed Concrete Piles.......
Introduction-Handling stresses in a pile-Need for prestressing-Maximum length
of pile-Design 120.

14.Prestressed Concrete Poles.........
Introduction-Handling stresses in a pile-Need for prestressing-Analysis for bending moment-Designs 121 to 122.

15.Prestressed Concrete Pavements..............................

Need for prestressing pavement slabs-Stresses in a pavement slab-Longitudinal and transverse cables-Oblique cables - Designs 123 to 124.
16.Non-Prestressed Reinforcements..

Advantages of non-pressed reinforcements - Various functions of non-prestressed reinforcements.
APPENDIX: Useful Tables.
248-263
INDEX.
264-266