Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

meniscus correction is additive and dispersing agent correction is subtractive
both meniscus correction and dispersing agent correction are subtractive
meniscus correction is subtractive and dispersing agent correction is additive
both meniscus correction and dispersing agent correction are additive

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Soil Mechanics and Foundation
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

effective angle of shearing resistance
effective unit weight of soil and effective angle of shearing resistance
cohesion and effective angle of shearing resistance
cohesion and effective unit weight of soil

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