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1

Navigate to Loads > Influence Surface Based LL/BR/CE > Live Load Case

2

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

3

Select the (Influence Surface) loads that were defined in the previous step for the live load cases you wish to define.

Next enter the names of the defined live load cases.

4

Set the "Max for Stress Range (Fatigue)" parameter to "Yes" for the "LLFatCase" live load case.

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5

Navigate Design Lanes tab.

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6

To perform the design calculation, vehicle scenarios must be created on the roadway.

To perform this, vehicle scenarios need to be applied to the 'Live Load Cases' that were defined previous step.

 

Click three-dots icon on Design Line Option cell and click Select.

 

 

Assign the design lanes to the 'Design Lane Options' as in the figure.

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1

Navigate to Live Load Case under Live Load on the tree view.

2

Copy General and Design Lanes from model inputs and paste into OpenBrIM.

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Anchor
ModelInputs
ModelInputs

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Vehicle

Data

Code Block
languagexml
HL93DesignTruck	1.0000	72.0000
HL93DesignTandem	1.0000	50.0000
HL93DesignTruck	1.0000	72.0000
HL93DesignTruckFatigue	1.0000	72.0000
HL93DesignTruck	1.0000	72.0000
HL93DesignTruck	1.0000	72.0000
HL93DesignTandem	1.0000	50.0000
HL93DesignTruck	1.0000	72.0000
HL93DesignTandem	1.0000	50.0000
HL93DesignTruck	1.0000	72.0000
HL93DesignTandem	1.0000	50.0000
HL93DesignTruck	1.0000	72.0000
HL93DesignTandem	1.0000	50.0000
HL93DesignTruck	1.0000	72.0000

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Design Lane

Properties

Vehicles

Lane Load

Vehicle Placement Settings

Lane Placement Settings

Code Block
languagexml
HL93AndLane_LL	12.0000	2.0000
HL93TandemTruckAndLane_LL	12.0000	2.0000
HL93TwoTrucksAndLane_LL	12.0000	2.0000
HL93_Fatigue	12.0000	2.0000
HL93AndLane_Deflection1	12.0000	2.0000
HL93_BR	12.0000	2.0000
HL93Tandem_BR	12.0000	2.0000
HL93AndLane_BR	12.0000	2.0000
HL93TandemAndLane_BR	12.0000	2.0000
HL93_CE	12.0000	2.0000
HL93TandemTruck_CE	12.0000	2.0000
HL93AndLane_LLsub	12.0000	2.0000
HL93TandemTruckAndLane_LLsub	12.0000	2.0000
HL93TwoTrucksAndLane_LLsub	12.0000	2.0000
Code Block
languagexml
HL93DesignTruck	1.3333	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTandem	1.3333	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	1.1970	Both	HL93DesignTruck	1.1970	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruckFatigue	1.1500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	1.3333	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	0.2500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTandem	0.2500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	0.0500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTandem	0.0500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTandem	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTandem	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93DesignTruck	0.9000	Both	HL93DesignTruck	1.1970	Both	(None)	1.0000	Both	(None)	1.0000	Both

Code Block
languagexml
HL93AndLane_LL	0.6400	10.0000
HL93TandemTruckAndLane_LL	0.6400	10.0000
HL93TwoTrucksAndLane_LL	0.5760	10.0000
HL93_Fatigue	0.0000	10.0000
HL93AndLane_Deflection1	0.0000	10.0000
HL93_BR	0.0000	10.0000
HL93Tandem_BR	0.0000	10.0000
HL93AndLane_BR	0.6400	10.0000
HL93TandemAndLane_BR	0.6400	10.0000
HL93_CE	0.0000	10.0000
HL93TandemTruck_CE	0.0000	10.0000
HL93AndLane_LLsub	0.6400	10.0000
HL93TandemTruckAndLane_LLsub	0.6400	10.0000
HL93TwoTrucksAndLane_LLsub	0.5760	10.0000

Code Block
languagexml
HL93AndLane_LL	50.0000	10000.0000	NO
HL93TandemTruckAndLane_LL	50.0000	10000.0000	NO
HL93TwoTrucksAndLane_LL	50.0000	50.0000	YES
HL93_Fatigue	50.0000	10000.0000	NO
HL93AndLane_Deflection1	50.0000	10000.0000	NO
HL93_BR	50.0000	10000.0000	NO
HL93Tandem_BR	50.0000	10000.0000	NO
HL93AndLane_BR	50.0000	10000.0000	NO
HL93TandemAndLane_BR	50.0000	10000.0000	NO
HL93_CE	50.0000	10000.0000	NO
HL93TandemTruck_CE	50.0000	10000.0000	NO
HL93AndLane_LLsub	50.0000	10000.0000	NO
HL93TandemTruckAndLane_LLsub	50.0000	10000.0000	NO
HL93TwoTrucksAndLane_LLsub	50.0000	50.0000	YES

Code Block
languagexml
HL93AndLane_LL	NO	0.0000	0.0000
HL93TandemTruckAndLane_LL	NO	0.0000	0.0000
HL93TwoTrucksAndLane_LL	NO	0.0000	0.0000
HL93_Fatigue	NO	0.0000	0.0000
HL93AndLane_Deflection1	NO	0.0000	0.0000
HL93_BR	NO	0.0000	0.0000
HL93Tandem_BR	NO	0.0000	0.0000
HL93AndLane_BR	NO	0.0000	0.0000
HL93TandemAndLane_BR	NO	0.0000	0.0000
HL93_CE	NO	0.0000	0.0000
HL93TandemTruck_CE	NO	0.0000	0.0000
HL93AndLane_LLsub	NO	0.0000	0.0000
HL93TandemTruckAndLane_LLsub	NO	0.0000	0.0000
HL93TwoTrucksAndLane_LLsub	NO	0.0000	0.0000

...

Influence Surface

General

Centrifugal

Code Block
languagexml
 Code Block
languagexml