Answered: Why Stokes Law only applies if the…

Engineering

Civil Engineering

Why Stokes Law only applies if the grain diameter is between 0.0002 mm up to 0.2mm?

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Compaction

Section: Chapter Questions

Problem 5.2P

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Concept explainers

Laboratory Determination of Hydraulic Conductivity

Hydraulic conductivity is the measure of flowability of water inside the soil in the presence of a hydraulic gradient. The hydraulic gradient is defined as the difference in the water heads in the soil, which induces a water motion. In simple terms, a hydraulic gradient is the presence of a potential that induces a flow of water.

Question

1. Why Stokes Law only applies if the grain diameter is between 0.0002 mm
up to 0.2mm?
2. How to get the corrected meniscus value?
3. In the sieve analysis practicum, why should the soil from the hydrometer experiment be filtered?
first with filter no. 200 ASTM?

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