JBR

 

Purpose:  Used to specify section properties of bracing for preliminary analysis in Girder System Design Projects.  (Not applicable to Line Girder Projects.)

 

-->    Given in girder system input 

 

Uniform St. Venant torsional stiffness (in4 or mm4) for bracing to be used if bracing has not been defined by types and shapes.  (Default is 5 in4 or 2.08 x 10^6 mm4, unless specified by JBR or JB-i)

 

 

Related topics:

Section Properties Options

Analysis Settings Input Reference