Bridge Line Load Definition Data Form

Use the Bridge Line Load Definition Data form to define a unique line load that has a user defined direction, value and location. The line load type can be specified as Force or Moment. The coordinate system may be Global or Local.

Load Name edit box. Use the default or specify another name for the temperature gradient in this edit box.
Units drop-down list. Use this drop-down list to specify the units to be used in completing this form.
Load Direction
- Load Type drop-down list. Specify a Force or Moment load.
- Coordinate System drop-down list. Select the Global or Local coordinate system.
- Direction drop-down list. When the Global coordinate system is used, the direction of the load as Gravity, X, Y or Z may be assigned. When the Local coordinate system is used, the direction may be assigned as Along the Horizontal Projection of the Layout Line (1), Vertical (2) or Normal to the Horizontal Projection of the Layout Line (3).
Load Value
- Value edit box. Specify a value for the load.
Load Transverse Location - The location of the line load in the transverse direction is made with reference to the left or right edge of the deck.
- Reference Location drop-down list and Load Distance from Reference Location edit box. Specify the location of the line load relative to the left or right edge of the deck and the distance from the selected edge.

Load Vertical Location - The notation provided here is informational and does not change regardless of the changes made on the form.

Access the Bridge Line Load Definition Data form as follows:

At a minimum, create a layout line and define a deck section.

Method 1

Click the Loads > Loads Type > Line > Expand arrow command to display the Bridge Line Load Definitions form.
- Alternatively, bypass the Bridge Line Load Definitions form and go directly to the Bridge Line Load Definition Data form by clicking the Loads > Loads Type > Line > New command
Click the Add New Line Load button, or highlight a previously defined Line load and click the Add Copy of Line Load or Modify/Show Line Load button.

Method 2

Click the Bridge > Bridge Object > Expand arrow command or on the Bridge Wizard select the Bridge Object Definitions item and click the Define/Show Bridge Object button, to display the Define Bridge Objects form.
Click the Add New Bridge Object button, or highlight a previously defined bridge object in the Bridge Objects area of the form and click the Add Copy of Bridge Object or Modify/Show Bridge Object button, to display the Bridge Object Data form.
In the Modify/Show Assignments display list, highlight the Line Load Assigns item and click the Modify/Show button to display the Line Load Assignments form.
Click the Define Line Loads button to display the Bridge Line Load Definitions from.
Click the Add New Line Load button.
- Alternatively, on the Bridge Wizard select the Line Load Definitions item in the Bridge Component Properties area and click the Define/Show Line Loads button.