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What is the importance of knowing Cv, considering as time increases the rate settlement will decrease?...

What is the importance of knowing Cv, considering as time increases the rate settlement will decrease?

What might log scale of time on settlement curve tell you?
Engineering   Civil-Engineering   
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Answer #1

Cv*t / H2

where Cv is nothing but coefficient of consolidation, t is the time and H is the half of the thickness of the deposit. Now this time factor is very important parameter for the calculation of excess pore water pressure and particularly to calculate the settlement and degree of consolidation and other things okay.The consolidation is controlled by the coefficient of consolidation (Cv ).The compression versus time test data are commonly used for the purpose of determining cv, which is required for predicting the rate of settlement of structures founded on cohesive soil deposits in order to check the settlement criteria of foundation design.As time progresses you are getting higher settlement.consolidation is a function of time.

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