Opening the Snow/Wind Load dialog and clicking the Permeability tab displays the following dialog.
This dialog lets you define the total permeability of a structure. A permeability value has effect on the value of Cpi coefficients.
Opening the Snow/Wind Load dialog and clicking the Permeability tab displays the following dialog.
This dialog lets you define the total permeability of a structure. A permeability value has effect on the value of Cpi coefficients.