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Can anybody recommend a decent and reputable software package to use for designing CIP cantilever retaining walls? I need the ability to design per various design guidelines and codes, model special loading conditions, and chose alternate rebar options and configurations. Thanks.

This is an interesting topic. I often struggle with lateral earth pressure assumptions for permanent cantilever soldier pile walls using precast concrete lagging panels. As I understand it, the sliding wedge method and other similar models that allow a reduction in lateral earth pressure on...

Thank you very much. As I suspected, this confirms to use z=30' for wall heights <= 30'.

I meant Ko (not Kp). Ko would be appropriate for non-yielding walls under this approach. How do you edit posts here?

For uniformly distributed surcharge loads you could use a Rankine approach using either Ka or Kp. For example, p = q x Ka

It's unclear to me as to how to compute wind loads on soundwalls per the above-referenced AASHTO, specifically for wall heights less than 30 feet. Section 3.8 provides equation 3.8.1.1-1 for calculating Vdz to then use in equation 3.8.1.2.1-1 to calculate the design wind pressure (also...