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What is NYC BC § 1814.7?

Quick Answer

This section requires a buckling analysis for helical piles embedded in soils of Classes 6 and 7, using a recognized method. The allowable axial compressive load is limited to two-thirds of the calculated load that causes buckling, including additional bending moments. Applies to engineers and contractors involved in foundation design.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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1814.7 Buckling.

BC § 1814.7

When helical piles are embedded in soils of Classes 6 and 7, a buckling analysis shall be performed by a recognized method. The allowable axial compressive load shall be not more than two-thirds of the calculated load-causing buckling. The additional bending moments due to bracket assemblies, structural eccentric forces and coupling rigidity shall be appropriately included in the buckling analysis.

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