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16-Civ-A1 Elementary Structural Analysis: December 2013

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
  5. Question 5 Indeterminate frame by moment distribution / slope–deflection
  6. Question 6 Joint deflection of a truss by virtual work
  7. Question 7 Influence lines
  8. Question 8 Reactions and SFD/BMD of a hinged frame

Start with Question 1 →

National Exams, December 2013 — 98-Civ-A1 Elementary Structural Analysis. Three-hour, closed-book examination (approved Sharp/Casio calculator only). Format: six questions constitute a complete paper — answer all of #1–#5 and any one of #6, #7 or #8. All eight questions are solved below for completeness.

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).