Access an Example Steel Bridge Model
Please follow the instructions below to access ‘Steel I-Girder Training Example’
1 | → Log in to your account and locate the 'Project' option in the top right corner. |  |
Please note that the initial setup process for the user experience take approximately 15 seconds to complete. Subsequent interactions will not require as much time. | ||
→ Click on 'Project' and then select 'NEW' from the top left corner of the screen. |  | |
2 | → Under the 'Example Project' section, click on 'New Project' specifically located within the 'Steel I-Girder Training Example'. |   |
3 | → Provide a name for your project and proceed to open the example project. |   |
Please note that the initial download process for the library components take approximately 2 minutes and 30 seconds to complete. Subsequent interactions will not require as much time. | ||
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Changing Web Dimension
Please follow the instructions provided below to change girder web dimensions.
1 | Click on 'DATA' located in the bottom-middle section of the screen. You will see that a spreadsheet opens. To adjust the height of the spreadsheet, you can click and hold the 'DATA' with the left mouse button, then drag it to the desired position. To close the spreadsheet, you just need to click once on the 'DATA' button. |   |
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3 | Click on 'Plate Girder' under 'Superstructure' in the workflow. You will see all the girders and their parameters in the spreadsheet for the project. |  |
4 | To change the web depth parameter of the 'G4' girder, click on the 'Web Depth' cell of the girder. When you click on the cell, you will see three dots appear to the right of the cell. |  |
5 | Click on the three dots that appear on the right side of the cell. After that, click on 'Edit (Spreadsheet)'. |  |
6 | In the newly opened spreadsheet, we can define the 'Web Depth' parameter as station dependent. After the definition is done, click the 'Back' icon (marked in blue) to apply the changes to the project. You can also define other parameters of the girder as station dependent. |  |
OpenBrIM Spreadsheets: Excel-Like Functionality with Parametric Dependencies
Please follow the instructions provided below to align the cross-frame skew with the support line's skew.
1 | Click on 'DATA' located in the bottom-middle section of the screen. You will see that a spreadsheet opens. To adjust the height of the spreadsheet, you can click and hold the 'DATA' with the left mouse button, then drag it to the desired position. To close the spreadsheet, you just need to click once on the 'DATA' button. | |
2 | Click on the 'Support Line' under 'Bridge Geometry' in the workflow to set the skew angle. |  |
3 | To change the skew angle of 'Abut1', click on the corresponding cell (mark in red). You can zoom in and out by using the scroll wheel of your mouse. To move around, press and hold the scroll wheel while moving your mouse. If the bridge is out of view, you can realign the bridge by clicking on the “ Once you click on an object, pressing “ |  |
4 | When the skew angle value of 'Abut1' is zero, it appears like this. |  |
5 | When we set the skew angle of ‘Abut1' to '-15’ degrees, it appears like this. As seen, the cross-frames are not aligned according to the support line. To parametrically align the skew angle of the cross-frame with the skew angle of the support line, we need to copy the skew angle of the support line using the "Copy Parameter" function. Then, we will paste this parametric expression into the skew angle value of the cross-frame. |  |
6 | Click on the skew angle cell of 'Abut1'. When you click on the cell, you will see three dots appear to the right of the cell. Then click on the three dots that appear on the right side of the cell. Then, click on 'Copy Parameter'. Now, the value of the skew angle has been copied parametrically. The parameter we copied exactly is: =Abut1.s_skew |  |
7 | Please expand the 'Cross Frames' section under 'Superstructure' in the workflow. Then click on 'Cross-frame K Top'. |  |
8 | After clicking on the 'CFTK1' skew angle cell, click on the three dots that appear to the right of the cell. Then, click on 'Paste'. After clicking on the cell, you can also paste it using CTRL+V. |  |
9 | Perform the paste operation for CFKT28 and CFKT29 as well. As seen, the skew angles of the cross-frames have been aligned with the support line. |  |
10 | You no longer need to manually change the skew angles of cross-frames every time the support line skew angle changes. The skew angle value of cross-frames will now be parametrically equal to the skew angle value of the support line. |  |
11 | To align the roadway with the skew angle of the support line, expand the 'Superstructure Attachments' in the workflow and then click on 'Roadway'. Then, click on 'Edit' from the 3-dot menu on the right side of the 'Roadway Dimensions' cell. Paste the skew angle copied from 'Abut1' into the 'Skew' parameter at zero station, as shown in step 8. |   |
” button located in the top right corner of the screen.
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