Steel Lectures (AISC 360-22)
20 chapters. Click a module to open its full lecture, references, and calculator.
Introduction to Structural Steel Design
Overview of steel as a structural material, the design process, and code framework.
LRFD Design Philosophy and Load Combinations
ASCE 7 load combinations, factored loads, and the φRn ≥ Ru inequality.
Steel Material Properties and Shapes
ASTM steels, stress-strain behavior, and W/HSS/L/C shape families.
Tension Members
Yielding, rupture, shear lag, and block shear per AISC Chapter D.
Compression Members and Column Buckling
Euler buckling, AISC E3/E4, slender elements, and effective length.
Flexural Members / Beams
Plastic moment, lateral-torsional buckling, compact / noncompact / slender sections.
Beam Shear Design
Web shear yielding and shear buckling per AISC Chapter G.
Combined Axial Load and Bending
Interaction equations from AISC Chapter H.
Beam-Columns
Beam-column design with second-order effects, B1/B2 factors.
Plate Girders
Built-up I-sections, tension-field action, stiffener design.
Composite Beams
Steel beams acting compositely with concrete slabs, shear studs (Chapter I).
Bolted Connections
Bolt shear, bearing, tearout, slip-critical (Chapter J).
Welded Connections
Fillet, groove, weld symbols, and effective throat.
Shear Connections
Simple shear tabs, double angles, end-plate shear connections.
Moment Connections
Welded and bolted fully-restrained moment connections.
Base Plates and Anchor Rods
Column base plate design and anchor rod sizing (AISC Design Guide 1).
Stability, Bracing, and Second-Order Effects
Direct Analysis Method, B1/B2, appendix 6 bracing.
Serviceability: Deflection, Drift, Vibration
L/360, L/240, drift H/400, floor vibration (AISC Design Guide 11).
Steel Framing Systems
Braced frames, moment frames, dual systems, gravity systems.
Capstone Design Project
Design a small steel-framed building bay end-to-end.