Rankine Passive Condition (Coduto and Bowles)

[CWEngineer]

I am trying to compare how Coduto and Bowles calculate the Passive Pressure using Rankine. I am doing this for my personal knowledge - I tend to learn something when I have a difficult time figuering something out. I have spent some time and I can't get Coduto's and Bowles answers to agree.

I would really appreciate if someone can help me out in determing if I am doing something wrong with my interpretations.

 

[vulcanhammer]

I'd take a look at The Seismic Design of Waterfront Retaining Structures document, which can be found at

http://www.vulcanhammer.net/geotechnical/retaining.php

http://www.vulcanhammer.net

http://www.vulcanhammer.info