Q. In flexible pavement, _______ sub grade is more essential.

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Q. The wearing course of flexible pavement is made of __________

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Q. The wearing course is flexible.

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Q. The base course contains __________

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Q. The sub-base is __________

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Q. The strength of sub-grade is increased by _________

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Q. The base course must possess low resistance to deformation.

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Q. The maximum legal axle wheel load is _________ kg as specified by IRC.

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Q. The maximum stress occurs on __________

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Q. The stress σz at any point (r,z) below the pavement is __________

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Q. For the loaded circular area of radius a, the vertical stress on a vertical line passing through the center of the loaded area is __________

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Q. For a loaded circular area of radius ‘a’, μ=Poisson’s ratio, the horizontal radial stress is ________

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Q. The vertical strain ∈z due to triaxial load (σz,σᵣ,σₜ=σᵣ) under the center of plate is _________

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Q. The elastic strain ∆ of the subgrade is __________

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Q. For a Poisson’s ratio of 0.5, the elastic strain ∆ is ___________

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Q. For a Poisson’s ratio of 0.5, the elastic strain ∆ in terms of Boussinesq settlement factor is __________

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Q. The Boussinesq settlement factor is given by _______

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Q. If the load is at the surface of subgrade, the Boussinesq settlement factor is given by ________

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Q. If the load is at the surface of subgrade, the elastic strain is ________

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Q. The Burmister’s influence coefficient is ________

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