Soil Water

Which of the following statements is/are INCORRECT?

The most suitable test for measuring the permeability of clayey soils in the laboratory is ___________

In an oedometer apparatus a specimen of fully saturated clay has been consolidated under a vertical pressure of 100 kPa and is at equilibrium state. Immediately on increasing the vertical pressure to 150 kPa , the effect...

From a flow-net diagram drawn under a concrete dam, following information are obtained: (i) The head difference between upstream and downstream side of the dam is 9 m . (ii) The total number of equipotential drops betwee...

Consider the statements P, Q, and R. P: Compacted fine-grained soils with flocculated structure have isotropic permeability. Q: Phreatic surface/line is the line along which the pore water pressure is always maximum. R:...

A homogeneous earth dam has a maximum water head difference of 15 m between the upstream and downstream sides. A flownet was drawn with the number of potential drops as 10 and the average length of the element as 3 m. Sp...

A vertical sheet pile wall is installed in an anisotropic soil having coefficient of horizontal permeability, 𝑘 𝐻 and coefficient of vertical permeability, 𝑘 𝑉 . In order to draw the flow net for the isotropic condit...

Let $$\psi $$ represent soil suction head and K represent hydraulic conductivity of the soil. If the soil moisture content $$\theta$$ increases, which one of the following statements is TRUE?