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24-Bld-A1 Elementary Structural Analysis: December 2016

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

  1. Question 1 Classify each structure — unstable, statically determinate, or statically indeterminate (6 marks)
  2. Question 2 Reactions, shear and bending-moment diagrams for three determinate structures (18 marks)
  3. Question 3 Vertical deflection at the overhang tip of a symmetric two-span beam (18 marks)
  4. Question 4 Truss member forces by method of sections (20 marks)
  5. Question 5 Shear and moment diagrams for a 4°-indeterminate rigid frame (18 marks)
  6. Question 6 Reactions and diagrams for members 2–3 and 3–4 of a hinged gable frame (20 marks)
  7. Question 7 Influence lines for a truss and for a hinged (Gerber) beam under a moving vehicle (20 marks)
  8. Question 8 Virtual-work deflection of a trapezoidal frame (20 marks)

Start with Question 1 →

National Exams, December 2016 — 07-Bldg-A1 Elementary Structural Analysis. 3 hours. Six questions constitute a complete paper: answer ALL of Questions #1–#5; answer ONLY ONE of #6, #7 or #8 (all three are solved below for completeness).

Reference texts: Hibbeler, Structural Analysis, 10th ed.; Kassimali, Structural Analysis, 6th ed.