Pokhara University Semester 5 Design of Steel & Timber Structure Handwritten Notes: Complete Guide & Free Download

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Below is an in-depth breakdown of the Pokhara University Semester 5 Design of Steel & Timber Structure handwritten note, covering all key chapters and design philosophies to help you ace your exams.

Complete Syllabus & Chapter Breakdown: Design of Steel & Timber Structure

The Design of Steel & Timber Structure course for Semester 5 dives deep into structural mechanics, safety standards, and practical design methodologies. Our multiple versions of handwritten notes break down each chapter with clear derivations, diagrams, and numerical examples.

Chapter 1: Introduction (3 hours)

• Difference between structural steel and other materials: Comparative analysis of strength-to-weight ratios, ductility, and economic viability.

• Properties of structural steel and standard structural sections/classification: Understanding rolling shapes, mild steel behavior, and section properties.

• Design philosophies: Detailed exploration and comparison of the Working Stress Method (WSM), Limit State Method (LSM), and Plastic Design.

Chapter 2: Analysis and Design of Joints (7 hours)

• Types of connections: Riveted, bolted, and welded joints and their field applications.

• Analysis and design of axially loaded bolted and welded connections: Shear and tension capacity checks for fasteners and welds.

• Eccentric connections (bracket connections) in bolted/welded joints: Methods to handle moments acting in plane and out of plane of joints.

Chapter 3: Design of Tension Members (4 hours)

• Types of tension members and net sectional area calculations: Factoring in connection holes, stagger pitches, and net effective areas.

• Design concept and strength of tension members: Step-by-step evaluation of gross yielding, net section rupture, and block shear failure using LSM.

Chapter 4: Design of Compression Members (7 hours)

• Behavior of compressive members and buckling classes: Understanding column curves, effective length, and slenderness ratios.

• Design of axially loaded single and built-up compression members: Sizing struts and columns under concentric loading.

• Lacing and battening details: Designing tie elements for built-up sections to ensure unified action.

Chapter 5: Design of Column Bases (4 hours)

• Types of column bases: Slab base and gusseted base selection criteria.

• Design of base plates, anchor bolts, and concrete footings: Transferring heavy column loads safely to the foundation bed.

Chapter 6: Design of Steel Beams (8 hours)

• Codal provisions and behavior of steel beams: Understanding bending theory and section classifications (plastic, compact, semi-compact).

• Design for bending, shear, and deflection: Ensuring safety against ultimate limits and serviceability criteria.

• Stiffened and unstiffened web design, lateral torsional stability: Preventing web buckling and lateral instability in unbraced compression flanges.

Chapter 7: Plate Girders (3 hours)

• Elements of a plate girder: Web and flange proportioning for high-span heavy load scenarios.

• Design of welded/riveted plate girders: Sizing plates and designing intermediate and bearing stiffeners to resist shear buckling.

Chapter 8: Design of Roof Trusses (5 hours)

• Types of industrial roof trusses and load calculations: Estimating dead, live, and wind loads according to standard codes of practice.

• Analysis and design of purlins and roof truss members: Evaluating axial forces in truss members and sizing structural sections.

Chapter 9: Timber Structures (4 hours)

• Properties and allowable/permissible stresses of timber: Moisture content effects, defects, and grade considerations.

• Design of timber solid/laminated columns and flexural members: Sizing timber posts and beams safely.

• Timber joints and simple composite steel-timber structural elements: Detailing traditional and modern mechanical fasteners for timber frameworks.

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