Computer · Soil Mechanics and Foundation Engineering
For a horizontal backfill, the coefficient of passive earth pressure (Cp) for a retaining wall is given by which of the following expressions (where φ is the angle of internal friction)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Cp = sin φ - 1sin φ + 1
- 2Cp = sin φ + 1sin φ - 1
- 3Cp = 1 + sin φ1 - sin φ✓
- 4Cp = 1 - sin φ1 + sin φ
Correct answer
Cp = 1 + sin φ1 - sin φ
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