For a foundation, find the elapsed time in which 90% of ultimate settlement will occur. The coefficient of consolidation is 4*10-4cm2/s. The average drainage path is 50cm.

For a foundation, find the elapsed time in which 90% of ultimate settl

1.	For a foundation, find the elapsed time in which 90% of ultimate settlement will occur. The coefficient of consolidation is 4*10^-4cm²/s. The average drainage path is 50cm.
A.	56.38 days
B.	43.78 days
C.	61.34 days
D.	78.23 days
Answer» D. 78.23 days

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For a foundation, find the elapsed time in which 90% of ultimate settlement will occur. The coefficient of consolidation is 4*10-4cm2/s. The average drainage path is 50cm.

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For a foundation, find the elapsed time in which 90% of ultimate settlement will occur. The coefficient of consolidation is 4*10^-4cm²/s. The average drainage path is 50cm.