Pre Stressed Concrete

Introduction and Analysis of Members: 

Concept of Prestressing - Types of Prestressing - Advantages - Limitations
Prestressing systems
Anchoring devices
Materials
Mechanical Properties of high strength concrete
high strength steel - Stress-Strain curve for High strength concrete.
Analysis of members at transfer - Stress concept
Comparison of behavior of reinforced concrete - prestressed concrete - Force concept
Load balancing concept - Kern point -Pressure line.

Losses in Prestress,
Loss of Prestress due to Elastic shortening,
Friction,
Anchorage slip,
Creep of concrete,
Shrinkage of concrete and Relaxation of steel
Deflection and Crack Width Calculations of Deflection due to gravity loads -
Deflection due to prestressing force -Total deflection - Limits of deflection -
Limits of span-to-effective depth ratio -Calculation of Crack Width - Limits of
crack width.

Design of Sections for Flexure: 

Analysis of members at ultimate strength -
Preliminary Design - Final Design for Type 1 members

Design for Shear: 

Analysis for shear
- Components of shear resistance
- Modes of Failure
- Limit State of collapse for shear
- Design of transverse reinforcement.

Composite Sections:

Types of composite construction
- Analysis of composite sections
- Deflection
– Flexural and shear strength of composite sections.