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R301.2.1.2.1.1 Modifications to ASTM E 1886 and ASTM E 1996
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Table 1 of ASTM E 1886 and ASTM E 1996 — add column and notes to read as follows:
Air Pressure Cycles
0.2 to 0.5 Ppos1
0.0 to 0.6 Ppos
0.5 to 0.8 Ppos
0.3 to 1.0 Ppos
0.3 to 1.0 Pneg2
0.5 to 0.8 Pneg
0.0 to 0.6 Pneg
0.2 to 0.5 Pneg
Notes:
- Ppos = 0.6 × positive ultimate design load in accordance with ASCE 7.
- Pneg = 0.6 × negative ultimate design load in accordance with ASCE 7.