Lesson 1

Introduction

• Basic concept of prestressing, prestressing methods, materials.
• Facilities, equipments and hardware, reinforced vs. prestressed concrete
• BS 8110 design considerations

Lesson 2

Elastic Analysis of Sections for Flexure

• Section properties, sign convention, example.
• Stresses in concrete due to prestress and external loads, cracking moment, example.
• Loads and loading stages, critical loadings, stresses at critical loadings, example

Lesson 3

Preliminary Design for Flexure

• Stress range at a section, permissible stresses and inequality conditions, selection of sections
• Graphical interpretation of inequality conditions.
• Determination of prestressing force and eccentricity

Lesson 4

Loss of Prestress Force

• Sources of prestress loss, immediate and deferred losses.
• Estimation of prestress losses: friction, anchorage slip, elastic shortening of concrete.
• Creep and shrinkage of concrete and relaxation of steel.

Lesson 5

Deflections

• Deflection of prestressed concrete beams, short-term deflection
• Calculation of long-term deflection

Lesson 6

Composite Beams

• Composite construction, advantages, design differences.
• Stages of loading, unshored and shored construction.
• Stress range and inequality conditions

Lesson 7

Design for Ultimate Strength In Flexure

• Analysis of sections at collapse, use of non-prestressed reinforcement, design considerations
• Design example

Lesson 8

Design for Ultimate Strength In Shear

• Overload behaviour of beams in combined bending and shear, benefits of prestressing
• Shear resistance of uncracked & cracked sections
• Design example

Lesson 9

Design of Anchorage Zone

• Anchorage zone for pre-tensioned and post tensioned members, transmission length
• End block for post-tensioned members
• Examples

Lesson 10

Design for Shear (Lecture by Dr. Roslli Noor)

• Overload behaviour of beams in combined bending and shear, benefits of prestressing
• Shear resistance of uncracked & cracked sections
• Design example

    Lesson 11

    Design of Anchorage Zone (Lecture by Prof. Dr. Wahid Omar)

    • Anchorage zone for pre-tensioned and post tensioned members, transmission length
    • End block for post-tensioned members
    • Examples

      Lesson 12

      Design of Continuous Beams

      • Introduction
      • Advantages of continuity
      • Tendon profiles

        Lesson 13

        Design of Continuous Beams - continued...

        • Linear tansformation and concordancy.
        • Example.