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Your quote, "I am designing a frame with cross bracing, primarily intented for lateral forces having beams that span up to 31 ft." If your "lateral forces" include earthquake forces you had better pick up a copy of AISC Seismic Provisions because you have a completely different set of kl/r...

Enercalc is a black box. For a more economical alternative try the tilt-up spreadsheet at the following location: http://www.engineering-international.com/ All the calculations are transparent and you don't have to sell the farm or talk with anoying software salespeople. Regards DesignIntegrity

To whom it may concern: In ASCE 7 under structural systems there is a section entitled Cantlever Column. Three sub-systems are listed: 1. Steel SMRF 2. Steel OMRF 3. Concrete SMRF In the UBC '97, Table 16-N Structural Systems the only compariable system listed is Cantilevered column element...

Although the fondation has been placed, you may be able to increase your concrete shear strength by accounting for the actually concrete strength. Check you concrete breaks and/or core your existing pile cap for an in-place strength check. ACI 318 has provisions for checking in-place concrete...

Regarding electrical conduit in Post-Tensioned Slabs. ACI 318 section 6.3.5 addresses conduit embeded in concrete. However, I am looking for guidelines/provisions for clearance and/or tolerance between electrical conduit and PT anchor zones or PT cables in general. I am familiar with the...