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(blue star) Follow the below steps to edit the plate girder dimensions.

1

Click three-dots icon (blue star) on the cell and Edit (spreadsheet).

2

Define the station-dimension relationship on the spreadsheet.

3

Top Flange thickness, web depth and thickness, bottom flange width and thickness, haunch thickness, and additional haunch width parameters can be defined similarly to top flange width.

4

Click three-dots icon (blue star) on top flange & web & bottom flange material cells and import a Material.

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5

You can edit the FE mesh settings of girders from FEA Settings tab.

6

The girder FE model will be automatically generated by the OpenBrIM based on the parametric relation between the 3D and FEM in the library component. The girder section is represented using FeLine elements for flanges and FeSurface elements for the web.

7
Expand
titleQuick Tips

3D view of girders:

FEM view of girders:

Cross-Frames

Add K Top type cross frames to start and end support locations and add X type cross frames based on the spacing data.

(blue star) Follow the below steps to create cross frames.

1

Pick 2 Girders that the cross frame will be placed between.

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2

Enter the Station of the cross frame.

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3

Go to Sections tab.

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4

Import AISCL8X8X3/4 and assign it to Top & Bottom & Diagonal Chord Sections.

5

Go to Gusset Plate tab and edit the gusset plate offset values for top, bottom and diagonal plates.

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6

Go to Stiffener tab

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7

Edit the vertical stiffener thickness as 0.75 and vertical stiffener width as 7 in.

8

Go to Geometry tab.

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9

Edit the offset values for top chord, diagonals, and bottom chord.

10

Perform the same steps for X type cross-frames.

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Expand
titleQuick Tip

The 3D plan view after entering the cross-frames:

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The FE plan view after entering the cross-frames:

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Deck

You need to define at least 2 deck cross-sections along the deck.

(blue star) Follow the below steps to edit the plate girder dimensions.

1

Click three-dots icon (blue star) on the cell and Edit (spreadsheet).

Image Added

2

Define the station-dimension relationship on the spreadsheet.

Image Added

3

Top Flange thickness, web depth and thickness, bottom flange width and thickness, haunch thickness, and additional haunch width parameters can be defined similarly to top flange width.

4

Click three-dots icon (blue star) on top flange & web & bottom flange material cells and import a Material.

Image AddedImage Added

5

You can edit the FE mesh settings of girders from FEA Settings tab.

Image Added

6

The girder FE model will be automatically generated by the OpenBrIM based on the parametric relation between the 3D and FEM in the library component. The girder section is represented using FeLine elements for flanges and FeSurface elements for the web.

7
Expand
titleQuick Tips

3D view of girders:

Image Added

FEM view of girders:

Image Added