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Seismic Zone 1 requires no special consideration for seismic forces and only requires the prescriptive reinforcement as shown in Figure 1 or Figure 2 depending on the pile width.
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AASHTO Art. 5.12.9.4.3 states minimum sizing shall be W3.9 or greater, however this appears to be a typographical error as it does not agree with other specifications and references. As such, Eriksson Pile uses a minimum steel size of W3.5 in lieu of W3.9. |
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Seismic Zone 2 [LRFD Art. 5.11.3.2.3]
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Ordinary Concrete Piles are a pile designation used for seismic design of piles with an expected curvature ductility capacity of at least 6. Ordinary Concrete Piles require no special consideration for seismic forces and only requires the prescriptive reinforcement as shown in Figure 1 or Figure 2 depending on the pile width.
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Intermediate Concrete Piles [PCI Std. 142 4.7.4.2]
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