Soil Mechanics and Foundation
Effective stress is

the stress at particles contact
important because it is a function of engineering properties of soil
All of these
a physical parameter that can be measured

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Soil Mechanics and Foundation
Degree of consolidation is

directly proportional to time and inversely proportional to square of drainage path
directly proportional to square of drainage path and inversely proportional to time
directly proportional to time and inversely proportional to drainage path
directly proportional to drainage path and inversely proportional to time

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