Question
Download Solution PDFIf H is the net head at a point and G is specific gravity of the floor material, then the thickness of the impervious floor is given by:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Given; H = net water head, and G = Specific gravity of floor material.
Weight of the floor per unit area = G× \(\gamma_w\) × t
Uplift Force per unit area = \(\gamma_w\) × (H + t)
For no uplift failure
Weight of the floor per unit area ≥ Uplift Force per unit area
G× \(\gamma_w\) × t ≥ \(\gamma_w\) × (H + t)
G× t ≥ H + t
t (G - 1) ≥ H
\(t\geq {H\over (G-1)}\)
Hence option (1) is the correct answer.
Last updated on Mar 26, 2025
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