Structure Engineering Course

Lesson 1 • Material Properties for Structural Use

Introduces stress, strain, and elastic modulus for common structural materials. Connects material behavior to member sizing decisions.

Lesson 2 • Forces, Equilibrium, and Free Body Diagrams

Applies Newton's laws to structural bodies in static equilibrium. Provides the analytical backbone for all load analysis chapters.

Lesson 3 • Support Conditions and Reactions

Classifies pin, roller, and fixed supports and computes reaction forces. Directly enables beam and frame analysis in later chapters.

Lesson 4 • Units, Notation, and Sign Conventions

Standardizes measurement systems and symbolic notation. Prevents calculation errors in all subsequent analytical work.

Lesson 1 • Seismic Loads and Dynamic Effects

Introduces equivalent static force method and response spectra for seismic design. Connects ground motion intensity to structural demand.

Lesson 2 • Environmental Loads: Wind and Snow

Explains pressure coefficients, exposure categories, and snow accumulation models. Prepares students to apply environmental loads to roof and wall systems.

Lesson 3 • Dead and Live Loads

Quantifies permanent self-weight and variable occupancy loads. Forms the baseline load input for all structural calculations.

Lesson 4 • Load Combinations and Safety Factors

Applies strength and serviceability load combination logic to govern design. Ensures students select the critical load case for each design check.

Lesson 1 • Shear and Moment Diagrams

Constructs complete SFD and BMD for beams with point, distributed, and moment loads. Develops visual intuition for structural behavior.

Lesson 2 • Influence Lines for Moving Loads

Constructs influence lines to identify critical load positions for maximum response. Essential for bridge and crane girder design scenarios.

Lesson 3 • Analysis of Statically Determinate Frames

Extends beam analysis to multi-member frames with joints and inclined members. Prepares students for indeterminate frame analysis in the next chapter.

Lesson 4 • Internal Forces in Beams

Derives shear force and bending moment at any section using equilibrium. Establishes the internal force diagrams central to member design.

Lesson 1 • Compatibility and Force Methods

Uses redundant forces and compatibility equations to solve indeterminate structures. Builds conceptual understanding before matrix formulations.

Lesson 2 • Introduction to Finite Element Analysis

Explains FEA mesh generation, element types, and result interpretation for structural problems. Prepares students to use and critically evaluate FEA software output.

Lesson 3 • Moment Distribution Method

Iteratively distributes unbalanced moments at joints until convergence. Provides a hand-calculation alternative for multi-span frames.

Lesson 4 • Matrix Stiffness Method

Assembles global stiffness matrices and solves for nodal displacements and member forces. Bridges hand methods to computer-based structural analysis.

Lesson 1 • Elastic Buckling of Columns and Plates

Derives critical buckling loads for columns and thin plates under compression. Establishes stability limits used in steel and concrete design checks.

Lesson 2 • Lateral Bracing and Sway Stability

Designs bracing systems to prevent sway and ensure frame stability. Connects effective length factors to braced and unbraced frame classifications.

Lesson 3 • Second-Order and P-Delta Effects

Quantifies geometric nonlinearity from axial load amplifying lateral displacements. Demonstrates when second-order analysis is required by design standards.

Lesson 4 • Free Vibration and Natural Frequencies

Derives equations of motion for single and multi-degree-of-freedom systems. Computes natural frequencies and mode shapes for structural systems.

Lesson 1 • Beam Design for Flexure and Shear

Sizes steel beams for bending capacity, lateral-torsional buckling, and shear. Applies load combinations from Chapter 2 to real beam design.

Lesson 2 • Tension Member Design

Checks gross yielding and net section fracture for axially loaded tension members. Introduces shear lag and connection efficiency factors.

Lesson 3 • Steel Material and Section Properties

Reviews steel grades, cross-section classifications, and section property tables. Establishes the material data needed for all steel design checks.

Lesson 4 • Steel Connection Design

Designs bolted and welded connections for shear, tension, and moment transfer. Addresses connection ductility and failure mode hierarchy.

Lesson 1 • Footing and Foundation Design

Sizes spread footings for bearing pressure, punching shear, and flexure. Introduces combined footings and mat foundation concepts.

Lesson 2 • Concrete and Reinforcement Properties

Covers concrete compressive strength, modular ratio, and rebar grades. Provides material inputs required for all concrete design calculations.

Lesson 3 • Column Design and Interaction Diagrams

Constructs P-M interaction diagrams for tied and spiral columns under combined loading. Covers slenderness effects for slender concrete columns.

Lesson 4 • Flexural Design of Beams and Slabs

Applies Whitney stress block to size tension reinforcement for bending. Extends to doubly reinforced and T-beam sections.

Lesson 1 • Structural Detailing and Constructability

Translates design calculations into construction drawings and details. Addresses tolerances, clearances, and sequencing for practical construction.

Lesson 2 • Gravity System Selection and Layout

Compares floor framing options and selects efficient gravity load paths. Applies tributary area and load combination logic from earlier chapters.

Lesson 3 • Serviceability and Performance Checks

Verifies deflection, vibration, and crack width limits under service loads. Ensures the structure meets occupant comfort and durability requirements.

Lesson 4 • Lateral Force Resisting System Design

Designs shear walls, braced frames, and moment frames to resist lateral loads. Distributes lateral forces to individual resisting elements by stiffness.