Structure II
Course Objective:
To understand the behavior of various structures under loading, and methods to analyze structural components
- Introduction (6 hours)
- Structural elements - bar, plate, block and their characteristics
- Geometrical stability of framed structures
- Basic definition of a structure
- Stability, statically determinate and indeterminate structures
- Statically determinate plane trusses
- Joint method to determine member forces of a plane truss
- Section method to determine member forces of a plane truss
- Introduction to space trusses
- Energy Principles (12 hours)
- Linearly elastic structures
- Principle of superposition
- Maxwell reciprocal theorem
- Betti's law
- Real work and virtual work
- Strain energy
- Strain energy due to axial force, shear force, bending moment and torsion
- Real work method to determine displacements, and its limitations
- Virtual work method to determine displacements
- Unit load method to determine deflection of beams and frames
- Moment area theorems I and II
- Moment area method to determine the deflection of beams and frames
- Introduction to Influence Line Diagrams (6 hours)
- Moving loads
- Concept of Influence Line Diagrams
- Significance of Influence Line Diagrams
- Influence Line Diagrams for Reactions, Shear Force and Bending Moment
- Determination of stresses from Influence Line Diagrams
- Three Hinged Systems (6 hours)
- Statically determinate arches and frames
- Parabolic and circular three hinged arches
- Support reactions, shear, thrust and bending moment in a three hinged arch
- Three hinged arches with supports at different levels
- Introduction to Analysis of Indeterminate Structures (15 hours)
- Statically indeterminate structures
- Introduction to slope deflection method
- Fixed end moments due to transverse loads
- Fixed end moments due to support rotations and support settlements
- Basic slope deflection equations
- Analysis of indeterminate beams and frames by slope deflection method
- Introduction to moment distribution method
- Stiffness, distribution factor and carry over factor
- Modified stiffness
- Analysis of indeterminate beams and frames by moment distribution method
References:
- S Negi & R S Jangid “Structural Analysis”, Tata McGraw Hill
- C S Reddy “Basic Structural Analysis”, Tata McGraw Hill
- Pundit & Gupta,”Structural Analysis”, Tata McGraw-Hill
- Hibbler,”Structural Analysis”, Prentice Hall
- E P Popov,”Mechanics of Solids”, Prentice Hall of India
Evaluation Scheme:
Chapters |
Hours |
Marks distribution* |
1 |
6 |
12 |
2 |
12 |
20 |
3 |
6 |
12 |
4 |
6 |
12 |
5 |
15 |
24 |
Total |
45 |
80 |
*Note: There may be minor deviation in marks distribution.
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