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16-Civ-A1 Elementary Structural Analysis: May 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Classify each structure — unstable / determinate / indeterminate
  2. Question 2 Reactions, shear-force and bending-moment diagrams
  3. Question 3 Deflection of a non-prismatic beam by virtual work
  4. Question 4 Truss member forces (method of sections)
  5. Question 5 Indeterminate frame by moment distribution
  6. Question 6 Influence lines
  7. Question 7 Three-hinged frame — reactions and SFD/BMD
  8. Question 8 Deflection by virtual work

Start with Question 1 →

Reference texts: R.C. Hibbeler, Structural Analysis (10th ed., Pearson) — determinacy, method of joints/sections, virtual-work deflections, moment distribution, slope–deflection, influence lines; A. Kassimali, Structural Analysis (6th ed., Cengage) — internal hinges and compound structures. Sign convention: sagging bending moment positive; upward reactions positive; tension member forces positive (T), compression negative (C).

The paper directs candidates to answer Q1–Q4, then one of Q5/Q6 and one of Q7/Q8. For completeness all eight questions are worked here.