Snow Load Design: thermal_factor
ASCE 7-22 snow load design parameters: ground snow loads (pg) for 50 US cities, exposure factor Ce (Table 7.3-1), thermal factor Ct (Table 7.3-2), importance factor Is (ASCE 7-16 Table 1.5-2), and slope factor Cs (Figure 7.4-1) for warm/cold slippery/non-slippery roofs
| parameter type | location or category | Ct (dimensionless) | roof slope deg (degrees) | thermal condition |
|---|---|---|---|---|
| thermal_factor | freezer_building | 1.3 | ASCE 7-22 Table 7.3-2; continuously refrigerated freezer building | freezer |
| thermal_factor | greenhouse_heated | 0.85 | ASCE 7-22 Table 7.3-2; heated greenhouse; min 50F interior; alarm system required | greenhouse |
| thermal_factor | heated_unventilated | 1 | ASCE 7-22 Table 7.3-2; heated structure with R-value per Table 7.3-3 | heated |
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