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16-Civ-A1 Elementary Structural Analysis: May 2016

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- and bending-moment diagrams
  3. Question 3 Vertical deflection of an overhanging beam
  4. Question 4 Truss member forces
  5. Question 5 Influence lines
  6. Question 6 Indeterminate frame — moment distribution / slope-deflection
  7. Question 7 Frame deflection by virtual work
  8. Question 8 Three-hinged frame — reactions and internal-force diagrams

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, compound (Gerber) beams and three-hinged frames. Sign convention: sagging bending moment positive; upward reactions positive; member tension positive (T), compression negative (C).

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