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Navigate to Loads > Live Load > Vehicle Infuence Surface

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Click three-dots icon on Select Stage and click Select.

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After the completion of pavement on a bridge and highway, the forces exerted by vehicles on the pavement include live load, load at braking, and centripetal force. These three states must be assigned to stages in the 'Influence Surface'.

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Set the Stage data as followsin the figure.

Then enter the name of the “influence surface “Influence Surface (loads)” that have been entered.

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Click three-dots icon on Roadway and click Select

Set R1 each (Influence Surface) load.

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Each defined 'Influence Surface' load has a category.

Assign the appropriate categories to them."

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For each (Influence Surface) load, each impact surface parameter values as follows.

  • Unit Load Spacing Long. [in]: 360

  • Unit Load Spacing Trans. [in]: 72

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Navigate to Centrifugal tab.

Enter Highway Design Speed [ft/second] data as 51.3.

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Click on the three-dots icon on Centrifugal Force Factor and set it to 'Other Than Fatigue (1.33)' for the “ISCentr” load.

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_ConfluenceInclusions
_ConfluenceInclusions
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Go to Influence Surface under Live Load on the tree view.

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Copy General, and Centrifugal from model inputs and paste into OpenBrIM.

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Please follow the instructions provided below to define live load cases.

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Navigate to Loads > Live Load > Live Load Case

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In this step, we define the "Live Load Cases" for which limit states will be used.

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Select the (Influence Surface) loads that were defined in the previous step.

Then enter the name.

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