The template structures available on the 2D Frames form include portal, concentric braced or eccentric braced frames.
Choose the type of frame by clicking on it in the 2D Frames Type drop-down list in the upper left corner of the form. A drawing of the selected frame type will be shown in the small display box.
Portal Frame Dimensions
Number of Stories edit box. Specify the number of stories in this edit box.
Story Height edit box. Specify the story height in this edit box. This height applies to all stories in the model.
Number of Bays edit box. Specify the number of bays in this edit box. This number applies to all stories in the model.
Bay Width edit box. Specify the width of the bays in this edit box. This width applies to all bays in the model.
Use Custom Grid Spacing and Locate Origin check box and Edit Grid button. When this check box is checked and the Edit Grid button is clicked, the Define Grid System Data form displays. Use the form to specify the grid spacing and to locate the origin as needed.
Section Properties
Beams and Columns drop-down lists. CSiBridge will suggest section properties for the beams and columns in these drop-down lists. The section properties will apply to the entire length of the beams and columns.
TIP: Click the + (plus) symbol next to the drop-down lists to access the Frame Properties form; use that form to add, modify or delete a frame section definition. The Advanced > Assign > Frames > Frame Sections command can be used to change the section property later, if needed.
Restraints check box. When this check box is checked, CSiBridge will assign default restraints to each point at the base of the model.
Braced Frame (Concentric) Dimensions
Number of Stories edit box. Specify the number of stories in this edit box.
Story Height edit box. Specify the story height in this edit box. This height applies to all stories in the model.
Number of Bays edit box. Specify the number of bays in this edit box. This number applies to all stories in the model.
Bay Width edit box. Specify the width of the bays in this edit box. This width applies to all bays in the model.
Use Custom Grid Spacing and Locate Origin check box and Edit Grid button. When this check box is checked and the Edit Grid button is clicked, the Define Grid System Data form displays. Use the form to specify the grid spacing and to locate the origin as needed.
Section Properties
Beams, Columns, and Braces drop-down lists. CSiBridge will suggest section properties for the beams, columns, and braces in these drop-down lists. The section properties will apply to the entire length of the beams, columns and braces.
TIP: Click the + (plus) symbol next to the drop-down lists to access the Frame Properties form; use that form to add, modify or delete a frame section definition. The Advanced > Assign > Frames > Frame Sections command or the Advanced > Assign > More > Tendon command can be used to change the section property later, if needed.
Restraints check box. When this check box is checked, CSiBridge will assign default restraints to each point at the base of the model.
Braced Frame (Eccentric) Dimensions
Number of Stories edit box. Specify the number of stories in this edit box.
Story Height edit box. Specify the story height in this edit box. This height applies to all stories in the model.
Number of Bays edit box. Specify the number of bays in this edit box. This number applies to all stories in the model.
Bay Width edit box. Specify the width of the bays in this edit box. This width applies to all bays in the model.
Gap Width edit box. Specify the width of the gaps in the eccentrically braced frame.
Use Custom Grid Spacing and Locate Origin check box and Edit Grid button. When this check box is checked and the Edit Grid button is clicked, the Define Grid System Data form displays. Use the form to specify the grid spacing and to locate the origin as needed.
Section Properties
Beams, Columns, and Braces drop-down lists. CSiBridge will suggest section properties for the beams, columns, and braces in these drop-down lists. The section properties will apply to the entire length of the beams, columns and braces.
TIP: Click the + (plus) symbol next to the drop-down lists to access the Frame Properties form; use that form to add, modify or delete a frame section definition. The Advanced > Assign > Frames > Frame Sections command or the Advanced > Assign > More > Tendon command can be used to change the section property later, if needed.
Restraints check box. When this check box is checked, CSiBridge will assign default restraints to each point at the base of the model.
Access the 2D Frames form as follows:
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