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Horizontal Drill - Shear Modulus

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nbr1

Geotechnical
Joined
Feb 29, 2008
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95
Location
US
When utilizing the Delft equation in detemination of mud pressures for a horizontal drilling project; what is the shear modulus value required as it would change with strain.
I'm guessing it would be a low-strain value; but was not sure.


 
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