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Structural Analysis

Finding the forces in trusses, beams and frames so that structures can be designed safely.

10 topics in the syllabus2 ready now (about 1h 35min of study)
Start with Trusses: method of joints

Unit 1Determinate Structures

  1. 1Supports, loads and idealisationPins, rollers, fixed supports and how real structures are modelled.Planned
  2. 2Determinacy and stabilityCounting unknowns and equations to classify a structure.Planned
  3. 3Trusses: method of jointsSolving member forces joint by joint.50 min
  4. 4Trusses: method of sectionsCutting through a truss to find chosen member forces quickly.45 min
  5. 5Zero-force membersSpotting members that carry no load by inspection.Planned

Unit 2Beams and Frames

  1. 6Internal forces in framesAxial force, shear and moment diagrams for portal frames.Planned
  2. 7Influence linesEffect of a moving load on reactions and internal forces.Planned

Unit 3Deflection and Indeterminate Structures

  1. 8Virtual workDeflection of trusses and beams by the unit-load method.Planned
  2. 9Slope-deflection methodAnalysis of indeterminate beams and frames.Planned
  3. 10Moment distributionHardy Cross iteration for continuous beams.Planned