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Inaccurate finite element models and disconnected nodes/elements in the cross frame can occur if the entered station values are not >= the girder start station or <= the girder end station. This can cause stability issues in the finite element model. To ensure correct station input, users should select the start/end options from the station input. This approach is especially recommended for cross frames located at the beginning or end of girders.

Has middle gusset plate?: Choose "Yes" if there is a gusset plate at the overlapping section of the X.

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Station[Start/End]:Enter the station along the PGL. When dealing with curved girder bridges, collecting distance along the girder length can lead to different inputs for the right and left girder that are connected by cross frames, causing ambiguity. Therefore, collecting the station along the PGL is a more reliable solution to avoid such issues. Furthermore, since cross frames are typically continuous in the transverse direction, entering the same station for all cross frames ensures that their locations are consistent between each girder.

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Inaccurate finite element models and disconnected nodes/elements in the cross frame can occur if the entered station values are not >= the girder start station or <= the girder end station. This can cause stability issues in the finite element model. To ensure correct station input, users should select the start/end options from the station input. This approach is especially recommended for cross frames located at the beginning or end of girders.

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Has middle gusset plate?: Choose "Yes" if there is a gusset plate at the overlapping section of the X.

Sections

Assign a section for the bottom, or diagonal chord, which can be imported from the AISC database by users. The data associated with this section is used section data will be utilized for the 3D model of the object ; however, the finite element model of the object will be generated regardless of whether the sections are defined or notand will directly influence the Finite Element Analysis (FEA) and Finite Element Model (FEM).

Bottom Chord Section:

Diagonal Chord Section:

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Gusset Plate

Select Bottom Plate Geometry:

Chamfer height [in]:

Chamfer width [in]:

Top gusset width [in]:

Top gusset height [in]:

Top gusset offset from top of web [in]:

Bottom gusset width [in]:

Bottom gusset height [in]:

Bottom gusset offset from bottom of web [in]:

Center gusset plate width [in]:

Center gusset plate height [in]:

Center gusset plate offset from top of web [in]:

Gusset plate thickness [in]:

Web centerline to gusset plate edge distance [in]:

Gusset plate material:

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Gusset Plate Bolts

Top Gusset Plate Bolt Group:

Bottom Gusset Plate Bolt Group:

Bolt Column Vertical Edge Distance [in]:

Bolt Column Horizontal Edge Distance [in]:

Bolt Vertical Spacing [in]:

Bolt Horizontal Spacing [in]:

Segments of Bolts:

Gusset Plate Bolt Property:

Show Bolts (Detailing):

Stiffener

vertical stiffener thickness [in]:

vertical stiffener width [in]The parameters listed below are used for 3D representation. While gusset plates do not have finite element model (FEM) and do not provide additional stiffness to the elements, they can still be applied as weight loads and used for code checks, depending on user-defined settings and specifications.

Top Gusset Plate: Gusset plates that exist under Superstructure > Connections can be assigned to the related column.

Bottom Gusset Plate: Gusset plates that exist under Superstructure > Connections can be assigned to the related column.

Center Gusset Plate: Gusset plates that exist under Superstructure > Connections can be assigned to the related column.

Offset From Top of Web (Top Plate):

Offset From Bot. of Web (Bot. Plate):

Offset From Bot. of Web (Center Plate):

Horizontal Dist. btw Web Centerline and Plate Edge:

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Stiffener

The parameters listed below are used for 3D representation. While cross-frame stiffeners do not have finite element models (FEM) and do not provide additional stiffness to the elements, they can still be applied as weight loads, depending on user-defined settings and specifications.

Stiffener Used [YES/NO]:

Vertical Stiffener Thickness:

Vertical Stiffener Width:

Material:

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Geometry

Top Chord - Vertical Distance of WP from top of web [in]:

Top Chord - Horizontal Distance of WP center of web [in]:

Top Chord - Inner Offset from WP [in]:

Diagonal Chord - Topside Vertical Distance from top of web [in]:

Diagonal Chord - Horizontal Distance from center of web [in]:

Diagonal Chord - Vertical offset from WP of Bottom chord [in]:

Diagonal Chord - Horizontal offset from WP of Bottom chord [in]:

Diagonal Chord - TopSide Inner Offset from WP [in]:

Diagonal Chord - BottomSide Inner Offset from WP [in]:

Bottom Chord - Vertical Distance of WP from Bottom of web [in]:

Bottom Chord - Horizontal Distance of WP from center of web [in]:

Bottom Chord - Inner Offset from WP [in]:

Axial Rigidity

Bottom Chord Axial Rigidity Coefficient:

Diagonal Chord Axial Rigidity Coefficient: