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Table 25 to Subpart G of Part 63—Effective Column Diameter (F<sub>c</sub>)

Effective Column Diameter (F<sub>c</sub>)

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  11. Appendix Table 25 to Subpart G of Part 63
CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

Table 25 to Subpart G of Part 63—Effective Column Diameter (Fc)

Column typeFc (feet)
9-inch by 7-inch built-up columns1.1
8-inch-diameter pipe columns0.7
No construction details known1.0