Sections

This section defines cross-sectional properties for U-girders, columns, pier caps, end bents, and piles, including reinforcement layouts.

Navigation: Properties > Sections

For detailed parameter explanations, see the Sections Reference.

Step 1: Adding Sections to the Project

Navigate to Sections

Navigate to Properties > Sections in the tree view.

Navigation

Import U-Girder Sections

Click the three-dots icon on the first cell of Name and select Import Section.

Import the following U-girder sections:

Library Path	Section Name	Material
OpenBrIM Bridge Objects > Precast U Girder Sections > WS DOT	U78G5	Fc_6ksi
OpenBrIM Bridge Objects > Precast U Girder Sections > WS DOT	U54G5	Fc_6ksi

Import Section

Import Basic Shapes

Import basic shapes for substructure sections:

Basic Shapes

Shape Selection

Create the following sections:

Section Name	Shape	Dimensions	Material
EBSec	Square	42 x 42 in	Fc_5ksi
PCSec	Square	36 x 36 in	Fc_5ksi
ColSec	Circle	Radius 18 in	Fc_6ksi
PileSec	Square	12 x 12 in	Fc_4ksi

EBSec

ColSec

PileSec

Create Rigid Section

Add a new row and enter RigidSection as the name. Assign RigidMaterial to this section.

Rigid Section

Completed section definitions are shown below.

Completed Sections

Step 2: Adding Rebars to Sections

U78G5 Reinforcement

Click the three-dots icon on any cell of the U78G5 row to open the Section Editor panel.

Section Editor

Click the + icon and select Rebar. Enter the following parameters:

Parameter	Value
Profile	ASTMA615No11
Material	A615_60
Reference Edge	Bottom
Dist. to Outer Surface	1 in
Outer Rebar Spacing	5 in
Inner Rebar Spacing	5 in
# of Rebars (per Row)	10
# of Rows	1

U78G5 Rebar

U78G5 Complete

U54G5 Reinforcement

Open the Section Editor for U54G5 and add the same reinforcement layout as U78G5.

U54G5 Editor

U54G5 Complete

EBSec Reinforcement (End Bent)

Open the Section Editor for EBSec and add rebars on all four edges:

EBSec Editor

Top Edge:

Parameter	Value
Profile	ASTMA615No9
Material	A615_60
Reference Edge	Top
Dist. to Outer Surface	3 in
Spacing	4 in
# of Rebars	8

Bottom Edge: Same as Top Edge with Reference Edge = Bottom

Left Edge:

Parameter	Value
Profile	ASTMA615No9
Material	A615_60
Reference Edge	Left
Dist. to Outer Surface	2 in
Spacing	5 in
# of Rebars	6

Right Edge: Same as Left Edge with Reference Edge = Right

EBSec Complete

PCSec Reinforcement (Pier Cap)

Open the Section Editor for PCSec and add rebars on all four edges using the same approach as EBSec, with:

• Top/Bottom: 8 rebars at 4 in spacing, 2 in cover

• Left/Right: 6 rebars at 5 in spacing, 2 in cover

PCSec Complete

ColSec Reinforcement (Column)

Open the Section Editor for ColSec and navigate to the Circular Layout tab.

ColSec Editor

Enter the following parameters:

Parameter	Value
Profile	ASTMA615No11
Material	A615_60
Radius 1	14 in
Radius 2	14 in
# of Rebars	12
# of Rows	1

ColSec Circular

ColSec Complete

Verification

After completing these steps, all sections have their reinforcement defined and are ready for use in the bridge model.