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16-Civ-A1 Elementary Structural Analysis: Undated paper

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

  1. Question 1 Classification of six structures
  2. Question 2 Reactions, shear and bending-moment diagrams for three beams
  3. Question 3 Member forces in a Pratt truss
  4. Question 4 Deflection of a cable-propped beam and Maxwell’s theorem
  5. Question 5 Influence lines and maximum effects from moving loads
  6. Question 6 Indeterminate frame by moment distribution / slope deflection
  7. Question 7 Three-hinged frame — reactions and internal-force diagrams
  8. Question 8 Horizontal deflection of a frame by virtual work

Start with Question 1 →

Paper format. Engineers Canada / EGBC national examination 16-Civ-A1 Elementary Structural Analysis, 3 hours, CLOSED BOOK. Six questions constitute a complete paper: answer Q1–Q5 and one of Q6/Q7/Q8. For completeness all eight questions are worked here.

Reference texts: R. C. Hibbeler, Structural Analysis (10th ed., Pearson) — determinacy and stability (Ch. 2), method of joints and sections (Ch. 3), shear and bending-moment diagrams (Ch. 4), influence lines and moving loads (Ch. 6), virtual-work deflections (Ch. 8–9), slope-deflection and moment distribution (Ch. 10–11); A. Kassimali, Structural Analysis (6th ed., Cengage) — internal hinges, compound (Gerber) beams, three-hinged frames, Maxwell’s law of reciprocal deflections.

Sign convention. Upward reactions positive; sagging bending moment positive (tension on the underside of a beam), hogging negative; member axial force tension positive (T), compression negative (C). Shear is positive when the resultant of the forces on the left of a section acts upward.

Check: figure reading. All geometry, loads and support symbols used below were read directly from the printed figures. Where a support symbol governs the answer it is called out explicitly in the Given.