Step 1: Click three-dots on the first cell of the Girders and pick the girders G1, G2
Step 2: Keep the Skew Angle as default.
Step 3: You can refer to the Quick Tip below to see how the Cross Frame behaves with a skew angle.
Quick Tip: Learn how the cross frame behaves with a skew angle
Skew Angle parameter rotates the the unskewed line which is perpendicular the PGL.
Step 4: Enter the Station as 20.
Step 5: Keep the Has middle gusset plate? as default.
Step 6: You can edit the Section of cross frame from Sections tab.
Click three-dots icon on Top Chord Section, Bottom Chord Section and Diagonal Chord Section cells and select a Section as AISCL8X8X3_4.
If you have reached this stage and you don't have a section to select, and if you want to use the Import Button, you can refer to the Quick Tip.
Keep Top Chord Orientation Angle, Bottom Chord Orientation Angle, Diagonal Chord Orientation Angle as default.
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Quick Tip: Learn how to import sections
If there is no section to be set, follow the steps below:
- Click the three dots on the cell and select Import Section.
- In the opened window, choose the section.
- Click the Import button.
Step 7: You can edit the gusset plate of cross frame from Gusset Plate tab.
Click three-dots icon on Top Gusset Plate cell and select a Gusset Plate as GSX_TOP.
Click three-dots icon on Bottom Gusset Plate cell and select a Gusset Plate as GSX_BOTTOM.
Click three-dots icon on Center Gusset Plate cell and select a Gusset Plate as GSX_CENTER.
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Step 8: Enter the Offset from Top of Web as 6.
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Step 9: Enter the Offset from Bot. of Web as 5.
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Step 10: Enter the Horizontal Dist. btw Web Centerline and Plate Edge as 1.
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Step 11: You can edit the stiffener of cross frame from Stiffener tab.
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Keep Stiffener Used parameter as default.
Keep the Vertical Stiffener Thickness as default.
Enter the Vertical Stiffener Width as 7.
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Step 12: Click the three-dots icon on the Material cell, and then select A709_50.
If you have reached this stage and you don't have a material to select, and if you want to use the Import Button, you can refer to the Quick Tip.
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Quick Tip: Learn how to import materials
If there is no material to be set, follow the steps below:
- Click the three dots on the cell and select Import Material.
- In the opened window, choose the material.
- Click the Import button.
Step 13: Keep the Geometry and FEA tabs parameters as default.
Step 14: When the steps are completed, the shared screenshot displayed in the adjacent cell should be visible in the 3D view of OpenBrIM.
The completed cross frames are illustrated below. Please verify that you have the same model on your end by examining each view provided here. For more information on how to perform visual checks, refer to the quick tips.
Quick Tip: Learn how to show Model
Click on the arrow button above the Analysis button located in the upper-left corner of the OpenBrIM screen.
Click on the Model button on the screen that opens up.
Quick Tip: Learn how to show FEA
Click on the arrow button above the Analysis button located in the upper-left corner of the OpenBrIM screen.
Click on the FEA button on the screen that opens up.
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To view the entire procedure explained on this page, please watch the recorded Video below.
