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Please follow the instructions provided below to add load combinations for Substructure & Superstructure & Superstructure constructibility

1

This section aims to compile the limit states that were previously defined based on AASHTO guidelines. Each limit state input generates two core combination objects (Max/Min), and overall limit state envelopes are produced for strength, service, fatigue, and extreme event limit states. Additionally, you need to create three Load Combination Tables for the Substructure, Superstructure, and Superstructure Constructibility categories.

2

Navigate to Combinations > Design Load Combinations > Limit States

3

Enter the name in the Name column as follows:

  • SubstructureLCT

  • SuperstructureLCT

  • SuperStrConstLCT

4

Click three-dots icon on StrengthI 1st Row Cell and click Select.

5

Select StrengthI_sub from the combobox.

6

Select the suitable StrengthI options for SuperstructureLCT and SuperStrConstLCT, based on the instructions provided in the previous step.

7

In same way, keep selecting Limit States for the corresponding Load Combination Tables.

Limit States not included in this example should remain as NULL.

Follow the below steps to copy and paste all inputs from our data set.

1

Navigate to Load Combination Table under Design Load Combinations on the tree view.

2

Copy Params from model inputs and paste into OpenBrIM.

The Load Combination Table have been created using limit states.

 Quick Tip: Copy inputs to OpenBrIM

Copy the desired data with the automatic copy button in the upper left corner.

Click on the first cell in and use the Ctrl+V shortcut to paste.

If icon won’t appear, collapse page tree menu by clicking on arrow or using shortcut “[”.

While pasting large data, it would be handy to turn of Auto-refresh .

Load Combination Table

Params

SubstructureLCT	StrengthI_sub	NULL	StrengthIII_sub	NULL	StrengthV_sub	NULL	NULL	ServiceI_sub	ServiceII_sub	ServiceIII_sub	ServiceIV_sub	NULL	NULL
SuperstructureLCT	StrengthI_sup	NULL	StrengthIII_sup	StrengthIV_sup	StrengthV_sup	NULL	NULL	ServiceI_sup	ServiceII_sup	NULL	NULL	FatigueI	FatigueII
SuperStrConstLCT	StrengthI_cons	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL
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