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Follow the next steps to create a Load Combination Table for load rating. |
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Go to Combinations/Design Load Combinations/Load Rating Combination Table.
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Under Dead Load column, select DC1, DC2 and DW accordingly, and specify load factors as 1.0 and 1.0, respectively.
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Name the row as LoadRatingLCT.
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Dead load definitions are completed. |
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Follow the next steps to add live load definitions. |
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Switch to Design Load column.
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Click three-dots icon under LL column and select a live load case.
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Legal Load, Emergency Load and Permit Load could be defined similarly with corresponding live load cases with desired vehicle definitions and load factors.
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Go to Load Rating Combination Table under Design Load Combinations on the tree view.
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Copy Dead Load, Design Load, Legal Load, Emergency Load, and Permit Load from model inputs and paste into OpenBrIM.
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Load Rating Combination Table
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Dead Load
| Code Block |
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LoadRatingLCT 1.0000 1.0000 DC1 DC2 1.0000 1.0000 DW |
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Design Load
| Code Block |
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LoadRatingLCT 1.3500 1.3500 LL |
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Legal Load
| Code Block |
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LoadRatingLCT 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL |
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Emergency Load
| Code Block |
|---|
LoadRatingLCT 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL 1.3000 NULL |
Permit Load
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After clicking on ‘Combinations> Design Load Combinations> Load Rating Combination Table' in the navigation treeview, follow the steps to define the Load Rating Combination Table. You can use the collapsed documentation page below for more information on the explanations of each parameter. |
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| Load Rating Combination Table [SIG] |
| 1 | 🖱️ Click on Name cell and set name as LoadRatingLCT. |
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| 2 | 🖱️Enter the γDC (max) as 1.25 and γDC (min) as 1. |
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| 3 | 🖱️ Click three-dots icon on DC1 cell and select a Result Extraction Case as DC1. |    |
| 4 | 🖱️ Click three-dots icon on DC2 cell and select a Result Extraction Case as DC2. |
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| 5 | 🖱️Enter the γDW (max) as 1.5 and γDW (min) as 1. |
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| 6 | 🖱️ Click three-dots icon on DW cell and select a Result Extraction Case as DW. |
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| 7 | You can edit the Design Load from Design Load tab. 🖱️Enter the γLL (Inventory) as 1.75 and γLL (Operating) as 1.35. 🖱️ Click three-dots icon on LL cell and select a Result Extraction Case as LLHL93Case. |
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| 8 | You can edit the Legal Load from Legal Load tab. 🖱️ Keep the Legal Load parameters as default. |  |
| 9 | You can edit the Emergency Load from Emergency Load tab. 🖱️ Keep the Emergency Load parameters as default. |  |
| 10 | You can edit the Permit Load from Permit Load tab. 🖱️ Keep the Permit Load parameters as default. |  |
| 11 | Proceed to the next step to verify the model. | |
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The completed load rating combination table is 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. |
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To view the entire procedure explained on this page, please watch the recorded Video below. |
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