Course10510668680 lectures
Advanced Prestressed Concrete Design
Prof. S. Suriya Prakash · IIT Hyderabad
Lectures
Week 1
- Introduction-Overview of PSC Part- 1
- Introduction-Overview of PSC Part- 2
- Introduction-Overview of PSC Part- 3
- Prestressing: Types, Systems and Devices PART-1
- Prestressing: Types, Systems and Devices PART-2
- Prestressing: Types, Systems and Devices PART-3
- Review of short term and long-term behaviour of prestressed concrete PART-1
- Review of short term and long-term behaviour of prestressed concrete PART-2
- Review of short term and long-term behaviour of prestressed concrete PART-3
- Prestressing Strand: Mechanical properties, Types and Production process PART-1
- Prestressing Strand: Mechanical properties, Types and Production process PART-2
Week 2
- Introduction to losses in prestress
- Elastic shortening losses : Post-tensioned members
- Friction losses : Post-tensioned members
- Anchorage slip losses : Post-tensioned members
- Time dependent losses
- Time dependent losses : Example problem
Week 3
- Introduction to response of prestress member in axial load
- Developing load deformation curve for different prestressing conditions
- Developing load deformation curve considering long term losses
- Review of simple bending theory
- Analysis of flexural members
- Concept of equivalent load
Week 4
- Stress block parameters for moment curvature analysis
- Obtaining moment curvature for variour reinforcement conditions
- Comparison of behaviour and layer-by-layer approach
- Ultimate moment capacity
- Moment capacity of flanged sections
- Example for flanged section
Week 5
- Introduction : Kern points and pressure line
- Cracking moment , Camber and deflection in prestressed beams
- Stress analysis of flexural members : Example problem
- Introduction : Flexural design
- Design Example on type 1 member
- Type 2 member and design example on type 2 members, Detailing requirements
- Magnel's Graphical method and design example
Week 6
- Basics of shear stress and shear transfer mechanism in PSC beam
- Effect of prestress on shear behaviour
- Analysis of PSC beam for shear
- Design of PSC beam for shear - 1
- Design of PSC beam for shear - 2
- Introduction to Torsion
- Analysis of PSC beam for Torsion prior to cracking
- Analysis of PSC beam for Torsion after cracking
- Evaluation of Torsional capacity of PSc beam
- Design of PSC beam for combined shear, torsion and bending
Week 7
- Transfer of Prestress in Pre Tensioned Member - Part 1
- Transfer of Prestress in Pre Tensioned Member - Part 2
- Transfer of Prestress in Pre Tensioned Member - Part 3
- Transfer of Prestress in Pre Tensioned Member - Part 4
Week 8
- Continuous beams: Introduction and basic concepts
- Continuous beams: Pressure line analysis, secondary and tertiary moments
- Continuous beams: Linear transformation and concordant cable profile
- Continuous Beams: Design Process
Week 9
- Intorduction to composite construction
- Analysis of stress
- Deflection of composite beams, Differential shirnkage
- Analysis of composite section
- Design of composite section
- Concepts of Strut-and-tie model for design of disturbed regions
Week 10
- Guidelines for the formulations of efficient strut-and-tie model and structural behaviour of deep beams
- Design example of post-tensioned deep beam using strut-and-tie model
- Design example of corbel using strut-and-tie model
- Basic force transfer mechanism of precast/prestressed connections and type of connections
- Types of precast/prestressed connections and their seismic aspects
- Precast concrete frames with unbonded prestressing
Week 11
- Introduction to PT slabs
- PT systems and tendon dsitribution in slabs
- PT one-way slabs
- Two way PT slab
- Design criteria fot PT slabs
- Equivalent frame method
- Capacity of two-way slabs
Week 12
- Design example of PT slab - prelimary design
- Design example of PT slab - equivalent frame analysis
- Design example of PT slab - design checks
- Importance of external post-tensioning system for strengthening applications
- Applications of external post-tensiong system for strengthening
- Analysis-design considerations and case studies of external post-tensioning strengthening systems
Live Session
Syllabus and materials
At NPTEL, as the course publishes them.
Credits and licence
- Institution
- IIT Hyderabad
- Department
- Civil Engineering
- Teacher
- Prof. S. Suriya Prakash
- Level
- Undergraduate
- Language
- English
- Subjects
- Engineering
- Source
- NPTEL
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge. Coordinated by IIT Madras.
- Who can watch
- NPTEL gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed
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