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Excerpt
nameIssue
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titleQuick Tip: Learn how to read issues

When encountering the warning as seen in OpenBrIM app, there is a "issue" , it is advised to review the parameters you have provided. This warning suggests that there might be a missing or incorrect parameter in your input. Check inputs to ensure they are accurate and complete.

When a warning is clicked, the reason can be displayed. The warning is expressed in the format of Component Group Name (can be viewed in the treeview) > User Defined Component Name (can be viewed in the spreadsheet name column) > Parameter Name (can be viewed in the spreadsheet column header).

After clicking on 'Superstructure > Connections > Bolted Field Splice' in the tree view, navigate to the Bolt category. Set the Bolt Property input. The issue will be resolved after these steps.

The screenshot demonstrates one example of two Bolted Field Splice components named BFS1 and BFS2 by the user, with parameter names Flange Bolt Property and Web Bolt Property.

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Excerpt
nameCopyPasteInputs
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titleQuick Tip: Learn how to 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 .

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nameSkewAngleDefinition1
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titleQuick Tip: Skew Angle

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Excerpt
nameConstructionMethod
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titleQuick Tip: Learn what the 'Construction Method' parameter means.

In Staged Construction Analysis, when joints are activated they normally enter at the location that was initially given to them. Joints sometimes need to become active in a location relative to the deformed structure of the model, rather than in an exact position known ahead of time.

The construction method option of construction stages specifies how to place a joint relative to the deformed location of other joints.

In Steel I Girder Bridges, deck formwork deforms and follows girder displacements. Therefore deck nodes should be constructed by shifting the node down to match the translational displacement of the girders nodes. This can be achieved with the Construction Method = Equal option of construction stages.

Excerpt
nameCompositeSection
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titleQuick Tip: Learn what the 'Composite Section' parameter means.

For the Composite Section parameterrefer to AASHTO(2020) 6.10.1.1.1-Stresses.

The modular ratio should be taken as = n = E/Ec, where Ec = modulus of elasticity of the concrete.

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Short term and long term applications depends on the sequence of loading which results in the stress at the section.

Per AASHTO(2020) 6.10.1.1.1b—Stresses for Sections in Positive Flexure

For transient loads assumed to be applied to the short-term composite section, the concrete deck area shall be transformed by using the short-term modular ratio, n. For permanent loads assumed applied to the long-term composite section, the concrete deck area shall be transformed by using the long-term modular ratio, 3n. Where moments due to the transient and permanent loads are of opposite sign at the strength limit state, the associated composite section may be used with each of these moments if the resulting net stress in the concrete deck due to the sum of the unfactored moments is compressive. Otherwise, the provisions of Article 6.10.1.1.1c shall be used to determine the stresses in the steel section. Stresses in the concrete deck shall be determined as specified in Article 6.10.1.1.1d.