Q. If the backfill has unit weight of 18 KN/m² and surcharge of 36 KN/m², then find the equivalent height of surcharge.

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Q. If a backfill has unit weight of 12 KN/m³ and the equivalent height of surcharge as 3m, then find the surcharge.

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Q. When the height of retaining wall is 6m, then the distance of point of application of the resultant pressure from the base is ________

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Q. Find the critical height of an unsupported vertical cut in cohesive soil of C= 10KN/m² and γ=20KN/m².

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Q. For a soil deposit, C=20 KN/m² and is found be to a purely cohesive soil. It has a critical height of an unsupported vertical cut as 4m. Find the unit weight of soil.

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Q. For a saturated clay of 20KN/m³ and cᵤ=24 kN/m², find the height of tension cracks.

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Q. For a saturated clay cᵤ=18KN/m², find the height of tension cracks is 7m. Find the saturated unit weight.

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Q. For an angle of internal friction of 30°, find the flow value Nφ

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Q. The wedge theory of earth pressure is based on the concept of _________

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Q. Which of the following is a basic assumption of the wedge theory?

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Q. The force acting on a wedge of soil are ____________

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Q. The active lateral pressure of intact saturated clays is calculated by assuming __________

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Q. The forces acting on the trial wedge which is used for finding Rankine’s active earth pressure is __________

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Q. The Rankine’s active earth pressure can also be found out by method of _____________

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Q. Based on the assumptions of the wedge theory, pressure distribution is assumed to be __________

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Q. In Coulomb’s wedge theory, the angle λ is referred as ___________

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Q. The φ-line in wedge theory can also be called as __________

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Q. In coulomb’s wedge theory, the criterion for maximum active pressure is present at ___________

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Q. Culmann’s solution can be conveniently used for _____________

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Q. Culmann’s solution is based on ___________ theory.

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