A 5.3 m thick of soil consist of three different layers as follows: Layer 1: H1 = 1.6 m, k1 = 4.5 m/day Layer 2: H2 = 2.3 m, k2 = 3.5 m/day Layer 3: H3 = 1.4 m, k3 = 5.1 m/day Considering the equivalent coefficient of permeability in the horizontal direction, what is the transmissivity of soil? CHOICES A. 28.43 m2/day B. 27.65 m2/day C. 20.45 m2/day D. 22.36 m2/day

A 5.3 m thick of soil consist of three different layers as follows: Layer 1: H1 = 1.6 m, k1 = 4.5 m/day Layer 2: H2 = 2.3 m, k2 = 3.5 m/day Layer 3: H3 = 1.4 m, k3 = 5.1 m/day Considering the equivalent coefficient of permeability in the horizontal direction, what is the transmissivity of soil? CHOICES A. 28.43 m2/day B. 27.65 m2/day C. 20.45 m2/day D. 22.36 m2/day

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.8P

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Concept explainers

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.

Question

A 5.3 m thick of soil consist of three different layers as follows:

Layer 1: H₁ = 1.6 m, k₁ = 4.5 m/day

Layer 2: H₂ = 2.3 m, k₂ = 3.5 m/day

Layer 3: H₃ = 1.4 m, k₃ = 5.1 m/day

Considering the equivalent coefficient of permeability in the horizontal direction, what is the transmissivity of soil?

CHOICES

A. 28.43 m²/day

B. 27.65 m²/day

C. 20.45 m²/day

D. 22.36 m²/day

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