Equation of the Fox's Depth Influence Factor in Elastic settlement.

[nemr79]

thread256-25162
Hello.
After more than ten years of the referenced post, there are people looking for the analytical formula of the I_f of Fox referenced by Bowles, who applies it to Steinbrenner equation.
¿Can you please share the expression, or article?
I am going to use I_f to calculate the modulus ob subgrade reaction ks as Bowles do it in the Chapter 9, Example 9-5 (Page 505, 5th Ed).
Thank you for your help.

 

[BigH]

Isn't the equation given in Poulos and Davis' Elastic Solutions for Soil and Rock Mechanics?

 

[BigH]

It isn't - I've just looked - you could always take the plot given in various texts - Poulos and Davis, Tomlinson and pick out sufficient points, put it in Excel and get the equations for the various a/b ratios.

 

[Okiryu]

Perhaps a little late, but I just saw his past thread that may help:

http://www.eng-tips.com/viewthread.cfm?qid=25162