The soil profile at a construction site is shown in the figure (not to scale). Ground water table (GWT) is at 5 m below the ground level at present. An old well data shows that the ground water table was as low as 10 m below the ground level in the past. Take unit weight of water, $\gamma_w = 9.81$ kN/m$^3$. The overconsolidation ratio (OCR) (round off to two decimal places) at the mid-point of the clay layer is ________

GATE 2021 Civil Engineering Q44 — Civil Engineering

GATE 2021Set 1Q44NATanswer keyexplanation soonhard

Civil Engineering · Geotechnical Engineering - Soil Mechanics - Consolidation

Concept intelligence

Drill mode: consolidation · 11/15

Figure from the original GATE 2021 paper. (IIT Bombay archive)

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Recurring concept

Geotechnical Engineering - Soil Mechanics - Consolidation has appeared in GATE Civil Engineering 5 times across 2 years (2021, 2025).

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