OpenBrIM can generate custom sections for analysis and design.
Create Custom Section
To add a custom section, select the + icon shown below and name the section accordingly.
Figure 7.2.1: Sections box on Assets.
In the Sections window, select + Shapes icon and choose from the following options shown to add custom sections.
Figure 7.2.2: Sections window.
Polygon
To add a polygon, select Polygon icon and choose material from the drop down list. In case the material is not included from the drop down list, the user can define a new material by selecting the + icon behind the drop down list or import material from library by selecting the cloud icon behind the + icon.
Figure 7.2.3: Material selection for custom section.
Draw the custom section and edit the section point coordinates to ensure the exact dimension of the section. To edit the section coordinates, select the three-dotted icon on the upper right side of the section and select Points Spreadsheet.
Figure 7.2.4: Polygon options.
Figure 7.2.5: Active Shape Points.
Template
AISC shapes and other predefined shapes available can also be added as custom section. Select Template icon then choose the section from the database and specify the material by choosing from the material drop down list or import a material from library by selecting the cloud icon beside the material drop down list.
Figure 7.2.6: Custom section selection from database.
Rebar
Rebar profiles imported or created in Assets can be imported in Sections. If rebar profiles are not set in Assets, the user can import rebar profiles from library.
Figure 7.2.7: Add Linear Rebar Layout.
Tendon
Prestress tendons can also be added for custom prestressed sections.
Figure 7.2.8: Add Tendon Layout.
Other Options
Select the ellipsis icon behind the custom section name to access other options.
Users can rename the custom section; print a section properties report; view materials, rebar profiles, and section properties of the custom section; and view flexure capacity, moment curvature, and interaction diagram of the custom section.
Figure 7.2.10: Other options.