Q. What will be the coefficient of earth pressure at rest for a rigid retaining wall, If the backfill consists of cohesion less soil having φ = 26°?

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Q. For a dry backfill with no surcharge, the active earth pressure intensity is _________

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Q. The resultant active pressure per unit length of wall for dry backfill with no surcharge is _______

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Q. The resultant active pressure per unit length of wall for dry backfill with no surcharge acting at _________ above the base of wall.

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Q. For a submerged backfill, the active earth pressure is given by _________

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Q. If free water stands on both side of a retaining wall, the lateral earth pressure is given by ____

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Q. If the angle of internal friction decreases, then Kₐ ___________

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Q. For the same value of φ, the backfill is partly submerged to height H₂ and the backfill is moist to a depth H₁. Find the lateral pressure intensity at the base of wall.

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Q. For the different value of φ, the backfill is partly submerged to height H₂ and the backfill is moist to a depth H₁. Find the lateral pressure intensity at the base of wall for φ₁>φ₂.

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Q. If the backfill carries a uniform surcharge q, then the lateral pressure at the depth of wall H is ____________

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Q. The height of fill Zₑ, equivalent to uniform surcharge intensity is __________

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Q. For finding out the active earth pressure for a backfill with sloping surface, the Rankine’s theory makes as additional assumption of ________

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Q. The vertical and the lateral pressures have the same angle of obliquity β.

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Q. The Rankine’s lateral pressure ratio is given by ________

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Q. For backfill with sloping surface, the coefficient of active earth pressure is given by ______

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Q. When the surcharge angle reduces to zero, the coefficient of active earth pressure is given by

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Q. The principal stress relationship on a failure plane is given by _______

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Q. The Belli equation of lateral pressure of cohesive soil is ____________

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Q. The Belli equation at the ground surface is given by _________

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Q. The tension at the top level of retaining wall reduces to zero at a depth ___________

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