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1

Navigate to Loads > Live Load > 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.

Then enter the name.

4

Assign Fatigue parameter of defined "Live Load Case" as in the figure.

Image Added

5

Navigate Design Lanes tab.

Image Added

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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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Insert excerpt
_ConfluenceInclusions
_ConfluenceInclusions
nameCopyPaste
nopaneltrue

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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Insert excerpt
_ConfluenceInclusions
_ConfluenceInclusions
namePasteTip
nopaneltrue

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

...

Design Lane

Properties

Vehicles

Lane Load

Vehicle Placement Settings

Lane Placement Settings

Code Block
languagexml
HL93AndLane_LL	12.0000	1.0000
HL93TandemTruckAndLane_LL	12.0000	1.0000
HL93TwoTrucksAndLane_LL	12.0000	1.0000
HL93_Fatigue	12.0000	1.0000
HL93AndLane_Deflection	12.0000	1.0000
HL93_BR	12.0000	1.0000
HL93Tandem_BR	12.0000	1.0000
HL93AndLane_BR	12.0000	1.0000
HL93TandemAndLane_BR	12.0000	1.0000
HL93_CE	12.0000	1.0000
HL93TandemTruck_CE	12.0000	1.0000
HL93AndLane_LLsub	12.0000	1.0000
HL93TandemTruckAndLane_LLsub	12.0000	1.0000
HL93TwoTrucksAndLane_LLsub	12.0000	1.0000
Code Block
languagexml
HL93AndLane_LL	HL93DesignTruck	1.3333	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93TandemTruckAndLane_LL	HL93DesignTandem	1.3333	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93TwoTrucksAndLane_LL	HL93DesignTruck	1.1970	Both	HL93DesignTruck	1.1970	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93_Fatigue	HL93DesignTruckFatigue	1.1500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93AndLane_Deflection	HL93DesignTruck	0.3325	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93_BR	HL93DesignTruck	0.2500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93Tandem_BR	HL93DesignTandem	0.2500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93AndLane_BR	HL93DesignTruck	0.0500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93TandemAndLane_BR	HL93DesignTandem	0.0500	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93_CE	HL93DesignTruck	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93TandemTruck_CE	HL93DesignTandem	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93AndLane_LLsub	HL93DesignTruck	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93TandemTruckAndLane_LLsub	HL93DesignTandem	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both	(None)	1.0000	Both
HL93TwoTrucksAndLane_LLsub	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_Deflection	0.6400	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	10000.0000	YES
HL93_Fatigue	50.0000	10000.0000	NO
HL93AndLane_Deflection	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	10000.0000	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_Deflection	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
ISGravity	LLStage	R1	Gravity	360	72
ISBreaking	BRStage	R1	Braking	360	72
ISCentr	CentStage	R1	Centrifugal	360	72
Code Block
languagexml
ISGravity	0	0
ISBreaking	0	0
ISCentr	51.3	Other than Fatigue(1.33)

...

Live Load Case

General

Design Lanes

Code Block
languagexml
LLHL93Case	ISGravity	NO	[1.2,1,0.85,0.65]
LLBreakingCase	ISBreaking	NO	[1.2,1,0.85,0.65]
LLCentCase	ISCentr	NO	[1.2,1,0.85,0.65]
LLFatCase	ISGravity	YES	[1.2,1,0.85,0.65]
LLHL93Case_LLsub	ISGravity	NO	[1.2,1,0.85,0.65]
Code Block
languagexml
LLHL93Case	ISGravity	NO	[1.2,1,0.85,0.65]
LLBreakingCase	ISBreaking	NO	[1.2,1,0.85,0.65]
LLCentCase	ISCentr	NO	[1.2,1,0.85,0.65]
LLFatCase	ISGravity	YES	[1.2,1,0.85,0.65]
LLHL93Case_LLsub	ISGravity	NO	[1.2,1,0.85,0.65]