Used to place bearings under beams or deck on
existing pier lines.
Found on the
Home ribbon tab in the
Substructure group.
Tool
Settings
Setting
Description
Bearing group
Setting
Description
Bearing Type
Select the type of bearing to use:
Cube ? Type the
Cube Length, Cube Width, and Cube Height
Cylinder ? Type
the Cylinder Radius and Cylinder Height
Cell ? Select a
library object from
BearingLib.cel (a
MicroStation
cell library file).
Click the
[?] button adjacent to the
Cell field to select an object. Specify the
Active Angle and X- / Y- / Z- Scale values.
Orientation
Indicates whether the bearing is oriented
parallel to the
Pier or parallel to the
Girder.
Bearing Pay Unit
Pay unit option for bearing.
Bearing Name Prefix
Type a prefix value to use for all individual bearings. It
is useful in quickly identifying bearing in a group.
Placement group
(for bearings under box girders only)
Setting
Description
Back Offset
Back station offset value.
Ahead Offset
Ahead station offset value.
Transverse Offsets
Type a offset transverse to the alignment. Use
a semi-colon separated list to generate multiple bearings in a line under box
beams or slabs.
Grout Pad group
Setting
Description
Has Grout Pads
Set this option if grout pads are present.
Specify additional grout pad parameters.
Pad Thickness Definition
Chose to input this thickness for center of
pad or as minimum thickness.
Pad Thickness / D1 / D2 / W1 / W2
Dimensions of the rectangular prism grout pad.
Plan dimensions are measured from the longitudinal (ahead and back station) and
lateral offset center.
Pad Orientation
Indicates whether the grout pad is oriented
parallel to the
Pier or parallel to the
Girder.
Pad or Plate Pay Unit
Pay unit option for grout pad
Bearing Seat group
Setting
Description
Has Bearing Seats
Set this option if bearing seats are present.
Specify additional bearing seat parameters.
Model Stepped Cap
(for bearings under beams only) Use a stepped
cap for bearing seat elevations varying across the superelevation along the
supportline.
Model As Sloped Bearing Seats
(for bearings under beams only) Setting this option,
slopes the top of the bearing seat to the next bearing seat height instead of
being a sharp drop or rise.
Seat Min. Thickness / D1 / D2 / W1 / W2
Dimensions of the rectangular prism bearing
seat. Plan dimensions are measured from the longitudinal (ahead and back
station) and lateral offset center.
Figure 1. Beam
Seat Dimension Detail and Orientations
Width (W1) -
Dimension to the left of the bearing center when looking toward the opposite
end of the girder.
Width (W2)
- Dimension tot he right of the bearing
center when looking toward the opposite end of the girder.
Depth (D1) -
Dimension forward of the bearing when looking toward the opposite end of the
girder.
Depth (D2) -
Dimension rear of the bearing when looking toward the opposite end of the
girder.
Seat Orientation
Indicates whether the bearing seat is oriented
parallel to the
Pier or parallel to the
Girder.
Clip Bearing Seats
Any portion of the bearing seats are
automatically clipped by the cap or abutment edges so no portion of these seats
are overhanging the cap or embedded into the abutment backwall.
Path group
Setting
Description
Back Offset
Back station offset value.
Ahead Offset
Ahead station offset value.
Material group
Select the material to use for object components by selecting the associated
[?] button and then selecting the material from
the dialog.
Feature group
Setting
Description
Feature Definition
Select an existing
feature definition from the drop-down list to use for
object being placed.
Name Prefix
Type a prefix value to use for all objects
set using this Feature Definition, which are useful in quickly identifying
features in a group.
