Steel Section Properties - Intergraph Smart 3D - Reference Data

Intergraph Smart 3D Hangers and Supports SmartParts Configuration

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Intergraph Smart 3D
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Reference Data
Smart 3D Version
12.1 (2019)

IJUAhsSteelSection::SteelName

Specifies the steel section name.

IJUAhsSteelSection::SteelType

Specifies steel section type name.

If SteelType is set to Pipe, then the section is placed in a vertical orientation. All other types place in a horizontal orientation.

IJUAhsSteelSection::SteelStandard

Specifies steel section standard.

IJUAhsSteelCPoint::SteelCpoint

Specifies the cardinal point of the steel section.

Cardinal points

Cardinal points specify anchor locations on a steel section. The following 15 cardinal positions are available. They are defined on the CrossSectionCardinalPoints codelist sheet in the Allcodelists.xls workbook.

  1. Bottom Left

  2. Bottom Center

  3. Bottom Right

  4. Center Left

  5. Center

  6. Center Right

  7. Top Left

  8. Top Center

  9. Top Right

  10. Centroid (Center of Gravity)

  11. Centroid Bottom

  12. Centroid Left

  13. Centroid Right

  14. Centroid Top

  15. Shear Center

The location of cardinal points 10 (center-of-gravity) and 15 (shear center) depend on the section shape. The local z-axis of the member and the center-of-gravity point of the section define cardinal points 11 and 14. The local y-axis of the member and the center-of-gravity point of the section define cardinal points 12 and 13. The locations of the cardinal points are shown below for the different steel sections. Because cardinal points 10 to 15 are specific to each section shape, only cardinal points 1 to 9 are shown in the images:

IJUAhssteelAngle::SteelAngle

Specifies the rotation angle of the steel section along its x-axis. The property determines the angle by which the steel section is rotated along its length. The steel section is anchored on the specified cardinal point when it is rotated. In the image shown below, the T-section is anchored at cardinal point 2. After the angle of the steel is rotated by 90 degrees, the steel section is positioned where the dotted line is located.