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KHUDKIBOOK
STRENGTH OF MATERIALS
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4331904
Code: 4331904
Credits: 4
Semester 3
ETC
Strength Of Materials
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Strength Of Materials Syllabus — Unit-wise Content
The official GTU curriculum for Strength Of Materials (subject code 4331904) as prescribed for ETC · Semester 3 divides the course into 7 units, covering 35 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4331904)Unit 1 Direct Stress & Strain
- 1.1. Direct stress, Linear strain, Elasticity, Elastic limit, Hook’s law, Modulus of Elasticity or Young’s modulus, Stress Strain curve for mild steel bar under tension with numerical problems.
- 1.2. Lateral stress and strain, Poisson’s ratio, Volumetric strain, Bulk modulus, relation between three moduli and numericals.
- 1.3. Basics Concepts of Shear Stress , Shear Strain & Modulus of rigidity.
- 1.4. Concept of composite and compound section, modular ratio and numericals.
- 1.5. Concept of Thermal stress and strain, Thermal stresses for non-yielding and yielding condition with numericals.
- 1.6. Stresses due to gradual, sudden and impact load, corresponding deformation, Strain energy, Resilience, Proof resilience and Modulus of resilience with numericals.
Unit 2 Moment of Inertia
- 2.1. Importance of Moment of Inertia.
- 2.2. Axis of symmetry, Centroidal axis and axis of reference.
- 2.3. Parallel Axis Theorem & Perpendicular Axis Theorem
- 2.4. Formulas to calculate Moment of Inertia of solid and hollow rectangle, square, circle, triangle shapes (without derivations).
- 2.5. Moment of Inertia of symmetrical and asymmetrical I-section, Channel section, T-section, Angle section, Hollow sections and Built up sections about Centroidal axis and any other reference axis using Parallel axis theorem.
- 2.6. Polar Moment of Inertia of solid & hollow circular sections. Strength of Materials Course Code: 4331904 Topics and Sub-topics
Unit 3 S.F. & B. M. in Beam
- 3.1. Statically Determinate and statically indeterminate beam examples.
- 3.2. Concept of Bending Moment and Shear Force in beam.
- 3.3. Sagging and Hogging Bending Moment. Positive and Negative Shear Force.
- 3.4. Calculation of Bending Moment and Shear Force at various sections of beam for cantilever simply supported and overhang beam subjected to point load and/ or u.d.l.
- 3.5. S.F. & B.M. Diagram for above beams
- 3.6. Point of Contra-flexure & its importance.
Unit 4 Bending & Shear Stress in Beam
- 4.1. Concept and theory of pure bending, assumptions, Bending equation (without derivation), Section Modulus, Bending stresses and their nature, Bending stress distribution diagram.
- 4.2. Concept of moment of resistance and simple numerical problems using bending equation.
- 4.3. Shear stress equation (without derivation), relation between maximum and average, Shear stress for rectangular and circular section.
- 4.4. Shear stress distribution for square, rectangular, circle, hollow square, rectangular, circular, angle sections, channel section, I-section, T section. Simple numerical problems based on Shear equation.
Unit 5 Slope and Deflection
- 5.1. Concept of Slope & Deflection of beams.
- 5.2. Flexural rigidity and its significance.
- 5.3. Formulas (without derivation) of maximum slope & deflection for cantilever beams subjected to point load at free end and u.d.l. over the entire span.
- 5.4. Formulas (without derivation) of maximum slope & deflection for simply supported beams subjected to point load at center and u.d.l. over the entire span. Strength of Materials Course Code: 4331904 Topics and Sub-topics
Unit 6 Torsion & Springs
- 6.1. Torque or turning moment or twisting moment, Angle of twist, Shear stress in shaft, strength of shafts, Polar moment of inertia, Torsional rigidity, assumptions in the theory of torsion.
- 6.2. Equation of Torsion (without derivation) and related numericals.
- 6.3. Relationship of H.P. , Torsion and RPM and related numericals
- 6.4. Springs: Stiffness of a spring(s)- Individual, in series and in parallel, Uses of springs, Types of springs.
- 6.5. Calculation of main dimensions of Closed Coiled Helical spring.
Unit 7 Mechanical Properties of Material
- 7.1. Classification of engineering materials.
- 7.2. Physical properties of material:- Elasticity, Plasticity, Ductility, Brittleness, Malleability, Fatigue, Creep, Toughness, Hardness etc.
- 7.3. Testing of materials for impact value (Izod impact and charpy impact test) and hardness (Brinell and Rockwell hardness test)
- 7.4. Factors affecting selection of materials.
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