The 'coefficient of consolidation' Cv is used to calculate:
Choose the correct answer
Shear strength of clay
Time to achieve given degree of consolidation: t = Tv×H_dr²/Cv from Terzaghi''s consolidation theory
Bearing capacity of footing
Liquefaction resistance of sand
Correct Answer
B. Time to achieve given degree of consolidation: t = Tv×H_dr²/Cv from Terzaghi''s consolidation theory
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Cv = k/(γw × mv) (m²/year). Used in: time-rate prediction of primary consolidation settlement via Terzaghi''s theory. t = Tv × H_dr² / Cv where Tv = time factor (from degree of consolidation U%). H_dr = drainage path length (half-layer for double drainage; full for single). Higher Cv → faster consolidation. Cv from oedometer (log-time or √t method). Sand: very fast (Cv high). Clay: slow (low Cv).
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