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Special Pile Requirements in Zones 3 and 4

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FEMA-222/223 Para. 4.5.3 requires piling to be designed to withstand 
maximum imposed curvatures resulting from seismic forces for 
*free-standing piles* in poor soils.  The 1996 Blue Book has a 
similar requirement, phrased "flexure due to soil deformations."

Is this coming to the International Building Code any time soon?
Are you geotechs "tooled up" for this?

Dave Evans, P.E.