I'm using the program to check a pedestrian bridge approach structure for lateral seismic loading. The section is basically a tall, narrow hollow box (20' tall and 10' wide) and is supported by 24" drilled shafts. The lateral seismic loading produces reactions at the drilled shaft supports...
Thanks for the advice guys. I've been designing walls for a long time, and I've recently seen a couple of failed walls here in the las vegas valley. It definitely got me thinking about whether or not I have been 'conservative' enough in my approach. I like the idea of the 100% / 30% method...
When incorporating a footing 'key' into a cantilever retaining wall footing, is it appropriate to increase the coefficient of friction to a 'soil/soil' interface value as opposed to the 'soil/concrete' value for sliding reisitance? If so, what is a reasonable value to use, (tangent of soil...
