Built Up Hybrid I Section

Built-Up Hybrid I Section

Use the Built Up Hybrid I Section form to add a definition for a built up hybrid I section.

Section Name

When the Add New Property button is used: CSiBridge will suggest a default section name (FSEC1, FSEC2 and so forth). Change the name as required.

When the Modify/Show button is used: The name that appears in the Section Name item is the name of the section selected in the Properties area of the form before the Modify/Show button was clicked.

Web Data

Base Material. drop-down list. Use this drop-down list of previously defined steel material properties to specify the material for this cover plate definition. Clicking the + (plus) symbol preceding this drop-down list will access the Define Materials form, which can be used to add a new material definition or modify an existing one.

Web Height, and Thickness edit boxes. Use these edit boxes to change the default lengths specified for the width and thickness of the web.

Top Flange Data

Include Top Plate check box. Check this check box to include a top cover plate in the section definition.

Material drop-down list. Use this drop-down list of previously defined steel material properties to specify the material for this cover plate definition. Clicking the + (plus) symbol preceding this drop-down list will access the Define Materials form, which can be used to add a new material definition or modify an existing one.
Width and Thickness edit boxes. Use these edit boxes to change the default lengths specified for the width and thickness of the top flange.

Bottom Flange Data

Include Bottom Plate check box. Check this check box to include a bottom cover plate in the section definition.

Material drop-down list. Use this drop-down list of previously defined steel material properties to specify the material for this cover plate definition. Clicking the + (plus) symbol preceding this drop-down list will access the Define Materials form, which can be used to add a new material definition or modify an existing one.
Width and Thickness edit boxes. Use these edit boxes to change the default lengths specified for the width and thickness of the bottom flange.

Note: The "graph paper" type Section display area on the right of the form will update to show the addition of the top and bottom cover plates.

Display Color The color that will be used to display the section on-screen in the model.

Click on the "Display Color" text or the small sample square of the color to bring up the Color form.

Select the desired new color on the Color form and click the OK button.

Use the Home > View menu > Set Display Options command and check the Sections check box in the View by Colors of: area of the form to display the section by the assigned color.

Section Properties button. Click this button to display the Property Data form and view the frame section properties. The section properties are defaults and provided here for informational purposes only.

Set Time Dependent Properties button. Click this button to access the Time Dependent Properties form.

Set Modifiers button. Click this button to display the Frame Property/Stiffness Modification Factors form. Use that form to specify the desired modification factors. Note that modification factor can be assigned here as well as directly to line objects, as explained in Frame - Property Modifiers.

Modify/Show Notes button. Click this button to access the Frame Section Property Notes form and add section notes to the model file.

Access the Built Up Hybrid I Section form as follows:

Click the Components > Type > Frame Properties > New command to display the Add Frame Section Property form. (Click here for a list of alternative methods for displaying the Add Frame Section Property form.)
- Alternative 1: Click the Home > Bridge Wizard command; highlight Step 3.2 Frame Sections; click the Define/Show Frame Sections button to display the Frame Properties form.
- Alternative 2: Click the Components > Type > Frame Properties > Expand arrow command to display the Frame Properties form.
- Alternative 3: Select a frame object and click the Advanced > Assign > Frames > Frame Sections command, to access the Frame Properties form.
- Then do one of the following:
1. 1. 1. Click the Import New Property button to access the Import Frame Section Property form or the Add New Property button to display the Add Frame Section Property form.
      
      Highlight the name of a previously defined angle section in the Properties area/Find this Section list on the left side of the Frame Properties form and click the Modify/Show button to display the Add Frame Section Property form.
If the Import New Property button is used and a database containing the selected section type has already been accessed, a form listing the sections of that type in that database will appear; choose the sections to be imported from the list by highlighting them. Note that clicking the + (plus) symbol preceding the Materials drop-down list will access the Define Materials form, which can be used to add or modify the material definition associated with the selected section type.

If sections of the specified type are not included in the database, a form to select another database to be imported will appear; choose a database from the list. If the selected type of section is not included in that database, an error message will display. To switch to another database, see the Note below.

Note: When the Import New Property button is used, the {Type} Section form will include an Open File button; click that button to access a form listing the various section database files available. After choosing a database, a form listing the individual sections within the selected database will appear; choose the sections to be imported from the list and click the OK button to redisplay the {Type} Section form. If the selected type of section is not included in that database, an error message will display. Click the OK button on the error message to close it, and then click the Open File button on the {Type} Section form to redisplay the list of possible databases; choose another database. Repeat this process until a list of available sections of the required type is displayed.
Set the Frame Section Property Type drop-down list to Built-Up Steel.
Click the Hybrid I button.