Create: Snow Load Definition dialog
This dialog is used to add snow load parameters per ASCE 7.
Opens when the
Snow tool in the
Create Load Definitions group is selected on the
Catalog ribbon tab.
| Setting | Description |
|---|---|
| Name | Type a descriptive name for the snow load definition. |
| Ground Snow Load | The pressure or, weight per unit area, to be used for the calculation of the design snow load, in current units. Use a negative value to indicate loading acting towards the roof (upwards) as per section 7.2 of the SEI/ASCE 7-02 code. |
| Exposure Factor | Specify the exposure factor as per Table 7-2 of the SEI/ASCE-7-02 code. It is dependent upon the type of exposure of the roof (fully exposed/partially exposed/sheltered) and the terrain category, as defined in section 6.5.6 of the code. |
| Thermal Factor | Specify the thermal factor as per Table 7-3 of the SEI/ASCE-7-02 code. It is dependent upon the thermal condition. |
| Importance Factor | Specify the snow importance factor as per Table 7-4 of the SEI/ASCE-7-02 code. This value depends on the category the structure belongs to, as per section 1.5 and Table 1-1 of the code. |