What is your proposal to improve the following cases. Why? • 12 meter collapsible soil in the large area outside a city. • 3 m fill compresible soil under a historical buliding. ● • Very soft clay in a petrochemical land with 10 m thickness. • 15 m liquifable sandy soil in urban area.

Q: If the soil in the field is initially at a degree of saturation of 53 percent, and is wetted until…

A: Degree of saturation : The Degree of saturation can be defined as the percentage of water occupying…

Q: Q3// The field capacity of a certain soil 20% and the moisture content of the soil before irrigation…

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Q: which soil will have the lowest rate of excess pore- water dissipation

A: The excess pore water in soil refers to the water that occupies the void spaces between soil…

Q: The results from a compaction test are as follows: 130.0 128.0 126.0 124.0 122.0 120.0 118.0 116.0…

A: given compaction test result curve, X axis is water content and Y axis is dry unit weight.Water…

Q: Question 13 What is the typical range for the specific gravity of soil solids, Gs? O 3.0 - 4.0 2.6 -…

A: Q13-  The typical range of specific gravity of soil solids.

Q: A soil has liquid limit 65%, plastic limit of 30% and shrinkage limit of 25%, and it has natural…

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Q: Write down a probable range for the coefficient of permeability in aquifers and in aquitards on the…

A: The probable range of permeability coefficients in aquifers and in aquitards on the basis of soil…

Q: xchangeable cation cmolc/kg of soil Ca2+ 2.7 Mg2+ 1.0 K+ 0.1 H+ 1.0 Al3+ 2.8 Na+ 0.1 1)…

A: 1.) Percentage Base Saturation: Base Cations = (Ca2+ + Mg2+ + K+ + Na+)                       = (2.7…

Q: A soil has liquid limit of 45% and plasticity index 19%. The plastic limit of soil will be

A: Introduction: The given question is related with geotechnical engineering . In this question we are…

Q: 8.3 A soil profile is shown in Figure 8.21. If a uniformly distributed load Ao is applied at the…

A:

Q: In the remolded state, how does the consistency of a clay soil varies in proportion to the water…

A: In remolded state, the consistency of clay soil varies in proportion to water content as follows:

Q: In saturated fine-grained soils, how does the high pore water pressures develop?

A: The presence of water in the voids of an element exerts pressure on the soil mass, known as the pore…

Field applications of hydraulic conductivity

Hydraulic conductivity is one of the hydraulic properties of soil defined as a measurement of the ability of a porous medium to permit water movement or fluid flow through it. It is denoted by the letter K. It is influenced by the density and viscosity of the fluid. It is also called permeability. Hydraulic conductivity is defined as the ratio of velocity to the hydraulic gradient. The different methods used to determine the hydraulic conductivity are laboratory methods (constant head permeability tests and falling head tests), in-situ field methods (pumping in and pumping out tests), small scale field tests (infiltration tests and slug tests), and indirect methods such as estimation from grain size, consolidation test data, and horizontal capillary test. The pedotransfer function (PTF) method is a specific empirical estimating approach employed in the soil sciences is also used to determine the hydraulic conductivity of the soil.