CE1402 – PRE STRESSED CONCRETE STRUCTURES

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CE1402  –   PRE STRESSED CONCRETE STRUCTURES

L    T    P    C
3     0     0    3

UNIT I   INTRODUCTION – THEORY AND BEHAVIOUR                   9
Basic concepts – Advantages – Materials required – Systems and methods of prestressing
– Analysis of sections – Stress concept – Strength concept – Load balancing concept –
Effect  of  loading  on  the  tensile  stresses  in  tendons  –  Effect  of  tendon  profile  on
deflections  –  Factors  influencing  deflections  –  Calculation  of  deflections  –  Short  term
and long term deflections – Losses of prestress – Estimation of crack width.

UNIT II           DESIGN                                9
Flexural strength – Simplified procedures as per codes – Strain compatibility method –
Basic concepts in selection of cross section for bending – Stress distribution in end block
–  Design  of  anchorage  zone  reinforcement  –  Limit  state  design  criteria  –  Partial
prestressing – Applications.

UNIT III          CIRCULAR PRESTRESSING                         9
Design of prestressed concrete tanks – Poles and sleepers.

UNIT IV          COMPOSITE CONSTRUCTION                              9
Analysis  for  stresses  –  Estimate  for  deflections  –  Flexural  and  shear  strength  of
composite members. 

UNIT V           PRE-STRESSED CONCRETE BRIDGES                         9
General  aspects  –  Pretensioned  prestressed  bridge  decks  –  Post  tensioned  prestressed
bridge decks – Principles of design only.
 
Total: 45
TEXT BOOKS
1.         Krishna Raju, N., “Prestressed Concrete”, Tata McGraw Hill Company, 1998.
2.         Mallic, S.K. and Gupta, A.P., “Prestressed Concrete”, Oxford and IBH publishing
Co. Pvt. Ltd. 1997.

REFERENCES
1.         Ramaswamy,  G.S.,  “Modern  Prestressed  Concrete  Design”,  Arnold  Heinimen,
1990.
2.         Lin,  T.Y.,  “Design  of  Prestressed  Concrete  Structures”,  Asia  Publishing  House,
1995.
3.         Sheppard,  D.A.,  William,  R.  and  Philips,  “Plant  Cast  Precast  and  Prestressed
Concrete – A Design Guide”, McGraw Hill, 1992.
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