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The valve closure is said to be sudden if
If t c > 2 L C the closure is considered gradual. If t c ≤ 2 L C the closure is considered sudden.
If t c > 2 L C the closure is considered gradual. If t c ≤ 2 L C the closure is considered sudden.
See lessThe water content of soil is defined as the ratio of
The water content of soil is defined as the ratio of weight of water to weight of solids of given mass of soil.
The water content of soil is defined as the ratio of weight of water to weight of solids of given mass of soil.
See lessRankine's theory of active earth pressure assumes
It assumes that the soil is cohesionless, the wall is frictionless, the soil-wall interface is vertical, the failure surface on which the soil moves is planar, and the resultant force is angled parallel to the backfill surface. The equations for active and passive lateral earth pressure coefficientsRead more
It assumes that the soil is cohesionless, the wall is frictionless, the soil-wall interface is vertical, the failure surface on which the soil moves is planar, and the resultant force is angled parallel to the backfill surface. The equations for active and passive lateral earth pressure coefficients are given below.
See lessIf the failure of a finite slope occurs through the toe, it is known as
Rankine's formula provides guidance on the minimum depth of foundation based on the bearing capacity of the soil. Where, Df = minimum depth of foundation, qu= ultimate bearing capacity of the soil, γ = unit weight of soil, = angle of repose or internal friction of soil.
Rankine’s formula provides guidance on the minimum depth of foundation based on the bearing capacity of the soil. Where, Df = minimum depth of foundation, qu= ultimate bearing capacity of the soil, γ = unit weight of soil, = angle of repose or internal friction of soil.
See lessThe coefficient of compressibility of soil, is the ratio of
Coefficient of compressibility: The ratio of decrease in voids ratio of soil to the increase in effective stress is called as coefficient of compressibility.
Coefficient of compressibility: The ratio of decrease in voids ratio of soil to the increase in effective stress is called as coefficient of compressibility.
See lessDegree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is
Hence the degree of saturation of soil is 70.90% We can remember it as Se = wG on sehwag's name. The official notification of the ISRO Scientist CE will release by the Indian Space Research Centre (ISRO).
Hence the degree of saturation of soil is 70.90%
See lessWe can remember it as Se = wG on sehwag’s name. The official notification of the ISRO Scientist CE will release by the Indian Space Research Centre (ISRO).
The effective size of particles of soil is denoted by
D10 Effective size(D10): The diameter in the particle-size distribution curve corresponding to 10% finer is defined as the effective size or D10. To obtain the grading characteristics, three points are located on the grading curve.
D10
See lessEffective size(D10):
The diameter in the particle-size distribution curve corresponding to 10% finer is defined as the effective size or D10. To obtain the grading characteristics, three points are located on the grading curve.
The coefficient of curvature is defined
The coefficient of curvature is the ratio (D30)2/(D10 * D60), where D60, D30, and D10 are the particle diameters corresponding to 60, 30 and 10% fine on the cumulative particle size distribution curve, respectively.
The coefficient of curvature is the ratio (D30)2/(D10 * D60), where D60, D30, and D10 are the particle diameters corresponding to 60, 30 and 10% fine on the cumulative particle size distribution curve, respectively.
See lessAccording to Coulomb's wedge theory, the active earth pressure slides the wedge
In the Active Earth Pressure case, the sliding wedge moves downwards & outwards on a slip surface relative to the intact backfill & in the case of Passive Earth pressure, the sliding wedge moves upward and inwards.
In the Active Earth Pressure case, the sliding wedge moves downwards & outwards on a slip surface relative to the intact backfill & in the case of Passive Earth pressure, the sliding wedge moves upward and inwards.
See lessMinimum depth of a footing carrying a heavy load, is calculated by the formula
Rankine's formula provides guidance on the minimum depth of foundation based on the bearing capacity of the soil. Where, Df = minimum depth of foundation, qu= ultimate bearing capacity of the soil, γ = unit weight of soil, = angle of repose or internal friction of soil.
Rankine’s formula provides guidance on the minimum depth of foundation based on the bearing capacity of the soil. Where, Df = minimum depth of foundation, qu= ultimate bearing capacity of the soil, γ = unit weight of soil, = angle of repose or internal friction of soil.
See less