CE25401 Strength of Materials II – Semester IV – Civil – R-2025

Subject Code & Name: CE25401 – Strength of Materials II

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.E. Civil Engineering (Civil)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

• The course imparts knowledge on energy methods for deflection analysis, and equips students to analyse indeterminate beams, columns, and pressure vessels.
• It also develops understanding of three-dimensional stress, failure theories, and advanced bending in curved and unsymmetrical members.

Full Unit-wise Syllabus

Unit I – Energy Methods, and Deflection Analysis

Strain energy (axial load, shear, flexure, torsion) - Castigliano’s theorems, Maxwell’s reciprocal theorem, principle of virtual work, unit load method - deflection of determinate beams, frames, and trusses.

Activities: Seminar on energy methods for deflection analysis.

Unit II – Indeterminate Beams

Analysis of propped cantilever, fixed and continuous beams; fixed end moments, theorem of three moments, analysis of continuous beams, sinking of supports.

Activities: Quiz on analysis methods and bending moment diagrams.

Unit III – Columns

Euler’s theory, Rankine-Gordon formula, eccentrically loaded columns; middle third rule.

Unit IV – Pressure Vessels

Thin and thick cylinders and spheres, compound thick cylinders, Shrinking on stresses.

Activities: Flipped classroom on column theories with problem-solving. 3D Stress, Failure Theories: Stress components, principal stresses, stress invariants, and failure theories. Poster presentation on failure theories and stress states.

Unit V – Advanced Bending, Curved Structures

Unsymmetrical bending, curved beams, Winkler-Bach theory, Stresses in links and hooks.

Activities: Model making to demonstrate bending and curved beam behavior.

Course Outcomes (COs)

• CO1: Explain concepts of strain energy, indeterminate structures, columns, pressure vessels, and three-dimensional stress.
• CO2: Apply energy methods and principles to determine deflections in beams, frames, and trusses.
• CO3: Analyze statically indeterminate beams, columns, and pressure vessels under various loading conditions.
• CO4: Evaluate structural behavior using failure theories and advanced bending concepts in curved and unsymmetrical members.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 40% | End Semester Examinations 60% Methodology for Continuous Assessment: Quiz - 10%, Poster presentation - 15%; Seminar report – 10%; Model making – 15%; Internal Examinations – 50% References 1. Rajput. R.K., Strength of Materials, Chand. S and Co, New Delhi, 2018. 2. Bansal. R.K., Strength of Materials, Laxmi Publications, New Delhi, 2024. 3. Punmia.B.C., Ashok Kumar Jain and Arun Kumar Jain, SMTS –I Strength of materials, Laxmi publications. New Delhi, 2025. 4. Basavarajiah and Mahadevapa, Strength of Materials, University press, Hyderabad, 2016 5. Bhavikatti, S. S. Strength of Materials, 5th Edition, Vikas Publishing House Pvt. Ltd., New Delhi, 2025. E Resources 1. NPTEL material https://archive.nptel.ac.in/courses/105/105/105105108/ 2. https://sm-nitk.vlabs.ac.in/

Source: Official Anna University – B.E. Civil Engineering R-2025 Syllabus
Last Updated: October 2026