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18-Env-A3 Geotechnical and Hydrogeological Engineering: December 2016

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

  1. Question 1 Weight–Volume Relations of a Soil Sample
  2. Question 2 Flow Net and Uplift Force on a Tunnel in an Embankment
  3. Question 3 Differential Settlement of Two Foundations on a Variable-Thickness Clay
  4. Question 4 Falling-Head Permeameter on a Three-Layer Sample
  5. Question 5 Anchored Sheet-Pile Wall — Active Thrust and Tie-Rod Tension
  6. Question 6 Stress Distribution and Consolidation Settlement Under a Large Foundation

Start with Question 1 →

National Exams — December 2016 — 04-Env-A3 / Geotechnical & Hydrogeological Engineering. 3 hours duration; open book exam, any non-communicating calculator permitted. FIVE (5) questions constitute a complete exam paper (the first five as they appear in the answer book are marked, 20 marks each, 100 marks total); all six printed questions are solved below for completeness.

Reference texts. Braja M. Das, Principles of Geotechnical Engineering (9th ed.) — weight–volume relations, permeability, seepage/flow nets, stress distribution, consolidation and lateral earth pressure chapters; Craig & Knappett, Craig's Soil Mechanics (8th ed.) — cross-reference for seepage, flow nets and anchored sheet-pile wall design.