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I'm presently one of many engineers working on the design of 5.5 billion dollar glassification plant in Washington State for the Dept of Energy. The umbrella statement for structural steel design was made a couple of years ago that stated "All steel will be designed to ASD" Peace berty

My state (Wa) just changed over from UBC '97 to IBC 2003. There used to be a provision in UBC '97 for increasing the allowable soil pressure with depth. That seems to have disappeared with the new IBC. Is there anything in ACI that supports this.

Has anyone here used the software known as "Woodworks". I'm interested in knowing how good a job it does on residential designs regarding wind & seismic loading. It costs about $800 which seems like a lot just for shear wall calcs. I'd also like to hear from anyone using "LatPro"

I believe its HUD. Here's the document I downloaded: http://www.huduser.org/Publications/PDF/foundation_guide_complete.pdf

Terrific response from the three of you! I read the Anderson article & several posts which call out =fluid pressure for my soil type as 30pcf - some say too low. Anderson states that typical wall failure is due to consolidation of fines. I've got less than 5% passing a number 200 sieve. I...

I'm a small town PE. I've been asked to design basements for several Mobile Homes. These have nine foot walls. There is approximately eight vertical feet from the interior slab to the outside grade elevation. Soil is coarse sand & gravel. Does anyone know of any publications that wlll...