Lectures
26 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.
RC — Introduction & Material Properties
Concrete f'c, rebar fy, stress–strain behavior, and ACI 318 strength-design framework.
RC — Flexural Design of Beams
Singly reinforced, doubly reinforced, and T-beams per ACI 318 Chapter 9 with the Whitney stress block.
RC — Shear Design of Beams
Concrete Vc, vertical stirrups Vs, spacing limits, and minimum shear reinforcement per ACI Chapter 22.
RC — Development Length and Splices
Tension and compression development length, hooked bars, and lap splices per ACI Chapter 25.
RC — Compression Members (Columns)
Short columns under axial load and uniaxial bending; tied vs spiral detailing per ACI Chapters 10 and 22.
RC — One-Way Slabs
Flexural design, temperature/shrinkage steel, and minimum thickness per ACI Chapters 7 and 24.