Traffic Line Lanes

Enter the traffic (line) lanes for moving load analysis.

From the Main Menu select Load > Moving Load > Moving Load Analysis Data > Traffic Line Lanes.

To enter new or additional traffic line lanes

Click .

To modify previously entered traffic line lanes

Select the traffic line lane to be modified in the dialog box and click .

When is clicked, the selected lane elements will be displayed on the screen.

To delete previously entered traffic line lanes

Select the traffic line lanes to be deleted in the dialog box and click .

Data entry method when is clicked

Lane Name

Enter the name of a traffic line lane.

Traffic Lane Properties

Eccentricity

Enter the eccentricity of a traffic line lane relative to a traffic line element.
(-) Negative represents the left side of the traffic line element and vice versa.

Impact Factor
Enter the impact factors for the entered traffic line lane elements.

Vehicular Load Distribution

Assign the means of distributing the vehicular load.

Lane Element: Apply loads to the traffic lane elements reflecting the eccentricity.

Using the Elements Type of the Beam End Offset function the panel zone effect of the traffic lane elements can be considered by specifying the offset distance.

Cross Beam: Apply the traffic load to the cross beams.

Cross Beam Group: Specify the name of the Structure Group to which Cross Beams are assigned.

Skew: Specify the Skew Angles at the Start and End of the bridge.

Moving Direction

Assign the direction of traffic loads.

Forward: Consider the direction from the Start to End only.

Backward: Consider the direction from the End to Start only.

Both: Consider the both direction.

Selection by

2 Points: Beam elements in a line defined by 2 points are assigned as traffic line lane elements. The first point becomes the Start point.

Picking: Assign the traffic line lane elements with the mouse. The Location of the first-assigned elements the Start point.

Elements Number: Enter the element numbers pertaining to the traffic line lane elements. The location of the first-assigned elements becomes the start point.

Operations

The data entry is reflected when Selection by Number is selected.

: Add to the selected traffic lane elements with the specified eccentricity and impact factor.

: Insert the selected traffic lane elements in between the previously entered traffic lane elements.

: Select the traffic lane elements at the bottom of the dialog box and delete.

Note
The traffic line lane must be consecutively entered in the direction of the moving path of the vehicles. When assigning elements with 2 points or Picking or button need not be clicked.