End Bent

This section defines the end bent (abutment) structures at both ends of the bridge.

Navigation: Substructure > Pier > End/Interior Bent

For detailed parameter explanations, see the End Bent Reference.

Steps

Step 1: Navigate to End Bent

Navigate to Pier > End/Interior Bent in the tree view.

Navigation

Step 2: Select Locations

Click the three-dots icon on the Location cell and select SL1 and SL4.

This determines the placement of the end bents.

Step 3: Enter Parameter Values

Since EB1 and EB2 are identical, enter the same parameter values for both.

Parameters

More Parameters

Additional Parameters

Step 4: Configure Section Data

Click the three-dots icon on Straight - Tapered Section / Length and select Edit.

Click the three-dots icon on the Start Section cell and select EBSec.

Click the three-dots icon on the End Section cell and select EBSec.

Enter Section Length as 45 ft along Y-Y starting from right.

Step 5: Set Slope Option

Navigate back to the General tab and set Slope Option to Alignment.

Slope Option

Enter the Top Elevation Offset from Alignment value as shown.

Step 6: Configure FEM Settings

Navigate to the FEM tab and select a section for Rigid Section.

FEM Settings

OpenBrIM automatically assigns the RigidSection defined in Properties to objects like End Bent and Pier Cap.

Quick Tip: Transverse Offset Direction

Offset values use PGL (Profile Grade Line) as the reference point.

Offset Direction

Verification

After completing these steps, the end bents should appear as shown below.

Completed End Bent 1

Completed End Bent 2