Loading Your Files
25. Go to Start>Programs>Bentley>InRoads Group load the product “Bentley Rail Track”.
26. From
rail_tutorial.dgn 27. Click File > Open.
28. Set the directory to Files
29. Select 30. Select
31. Click Cancel to dismiss the dialog box.
Creating a Parallel Track
To begin, you must create a track parallel to the existing mainline alignment.
Creating Turnouts
Several Bentley Rail Track tutorial discussions demonstrate creating vertical, horizontal and cant alignments. In this chapter, however, you will create turnouts. Generally, a turnout is a term for a single track that splits to become two tracks and is equipped with moving rails to change the route.
These connections allow a smooth transition from the main track to the diverging track.
Turnouts may contain branches with each branch containing elements. These elements may be linear, circular, or clothoid elements. In this task, you create a simple turnout for a single
Before Getting Started
Locate the tutorial data in C:\Program
\Bentley\Tutorials\Rail. Extract RailChapter15.exe Loading Your Files
Go to Start>Programs>Bentley>InRoads Group load the product “Bentley Rail Track”.
From C:\Program Files\Bentley\Tutorials\Rail rail_tutorial.dgn or rail_tutorial.dwg file.
Click File > Open.
Set the directory to C:\Program Files\Bentley\Tutorials\Rail.
Select railm_tut.xin, and click Open.
Select singletrack.alg, and click Open.
Click Cancel to dismiss the dialog box.
Creating a Parallel Track
To begin, you must create a track parallel to the existing mainline alignment.
Creating Turnouts
Several Bentley Rail Track tutorial discussions demonstrate creating vertical, horizontal and cant alignments. In this chapter, however, you will create turnouts. Generally, a turnout is a term for a single track that splits to become two
equipped with moving rails to change the route.
These connections allow a smooth transition from the main Turnouts may contain branches with each branch containing elements. These elements may be linear, circular, or clothoid elements. In this task, you create a simple turnout for a single
RailChapter15.exe.
Go to Start>Programs>Bentley>InRoads Group XM and Rail open the
To begin, you must create a track parallel to the existing
1. Click Geometry >
2. For mode, select Specify
3. In the From box, set the Horizontal Alignment to
“centerline” and key in the offset of This is a 5 meter offset to the left.
4. In the To box, enter the alignment name
5. Click the
and the “Successful completion” prompt displays in the status bar.
Click Geometry > Utilities > Parallel Horizontal Alignment For mode, select Specify
In the From box, set the Horizontal Alignment to
“centerline” and key in the offset of -5.
This is a 5 meter offset to the left.
In the To box, enter the alignment name offset
Click the Apply button. The offset alignment is created, and the “Successful completion” prompt displays in the status bar.
Utilities > Parallel Horizontal Alignment In the From box, set the Horizontal Alignment to
offset.
Apply button. The offset alignment is created, and the “Successful completion” prompt displays in the
6. Click Close to exit the command.
Defining a Turnout Style
In Bentley Rail Track, you can define the display styles for turnout geometry. When you define the style turnouts, it will be associated with all turnout elements in the design when the Display Turnouts command is activated. A default turnout style is delivered with Bentley Rail Track in the civil.xin file.
In this task, you will simply become familiar with the workflow for creating a new geometry style.
1. Click Tools > Style Manager.
2. Click on the New button
3. For Name, key in turnouts. Press TAB.
4. In the Include Definition For, turn ON the Geometry Point, Line, Arc, and Spiral check boxes.
5. In the tree view, select Geometry Features > Lines >
Symbology.
6. Under Symbology, select Edit.
7. In the Edit Named Symbology dialog, double-click to edit Plan Line.
8. Set the color to yellow and click OK; then, Apply and Close the Edit Named Symbology dialog.
9. Select Apply and Close on the New Style dialog, and the new style will be created.
10. Close the Style Manager.
Reviewing the Turnout Library
The turnout library defines the basic definitions for the actual turnouts. This information includes textual data, the type of turnout being created, dimensional and branch data. A turnout library has been previously prepared for this topic.
Here, you will review the current parameters of this library.
1. Click Geometry > Turnouts > Turnout Library.
2. For Name, select e493009.
3. Review but do not change any of the settings.
For a detailed discussion of these parameters, see the InRoads
4. Click Close.
5. Before proceeding to the next task, make
active alignment (from the Explorer, right click on Centerline
Placing Turnouts Now tha
reviewed the turnout library, place the turnouts.
1. Click Geometry > Turnouts > Create Turnout.
2. For Name, select 1
3. For Style, select e493009.
4. Make sure Place By is set to .1.
5. Turn OFF the toggles at the botto
Click Geometry > Turnouts > Turnout Library.
For Name, select e493009.
Review but do not change any of the settings.
For a detailed discussion of these parameters, see the InRoads Suite Help topics.
Click Close.
Before proceeding to the next task, make Centerline active alignment (from the Explorer, right click on Centerline and select Set Active).
Placing Turnouts
Now that you have created the initial parallel track and reviewed the turnout library, place the turnouts.
Click Geometry > Turnouts > Create Turnout.
For Name, select 1
For Style, select e493009.
Make sure Place By is set to .1.
Turn OFF the toggles at the bottom of the dialog.
For a detailed discussion of these parameters, see the
Centerline the active alignment (from the Explorer, right click on
t you have created the initial parallel track and
m of the dialog.
6. Click Apply.
7. At the prompt: Identify mainline alignment, datapoint on the Centerline.
8. Next, at the prompt: Identify point, you must identify the placement point. In the CAD window, key in
Press Enter.
This specifies station 0
the beginning of the first curve.
9. At the prompt: Identity orientation point, datapoint to the left of the centerline alignment, between the centerline and offset alignments (and ahead of the station 0+600 .1 point).
10. Accept the solution.
The dialog box is uncollapsed. The first turnout is placed.
You may need to zoom into the view to see the turnout.
Click Apply.
At the prompt: Identify mainline alignment, datapoint on the Centerline.
Next, at the prompt: Identify point, you must identify the placement point. In the CAD window, key in so=600 Press Enter.
This specifies station 0+600 and places the turnout near the beginning of the first curve.
At the prompt: Identity orientation point, datapoint to the left of the centerline alignment, between the centerline and offset alignments (and ahead of the station 0+600 .1 point).
Accept the solution.
The dialog box is uncollapsed. The first turnout is placed.
You may need to zoom into the view to see the turnout.
At the prompt: Identify mainline alignment, datapoint on
Next, at the prompt: Identify point, you must identify the so=600.
+600 and places the turnout near At the prompt: Identity orientation point, datapoint to the left of the centerline alignment, between the centerline and offset alignments (and ahead of the station 0+600 .1 point).
The dialog box is uncollapsed. The first turnout is placed.
You may need to zoom into the view to see the turnout.
11. Place the second turnout. Click Apply again.
12. At the prompt: Identify mainline alignment, datapoint on the parallel a
13. At the prompt: Identify point, in the CAD window, key in so=675
This specifies station 0+675 for the .1 placement point.
14. At the prompt: Identity orientation point, datapoint to the bottom of the alignments, causing the turnout to
between the centerline and offset alignment..
15. Accept the solution.
The dialog box is uncollapsed. The second turnout is placed. Notice in the Name field, the number increments to 3.
Place the second turnout. Click Apply again.
At the prompt: Identify mainline alignment, datapoint on the parallel alignment.
At the prompt: Identify point, in the CAD window, key in so=675. Press Enter.
This specifies station 0+675 for the .1 placement point.
At the prompt: Identity orientation point, datapoint to the bottom of the alignments, causing the turnout to
between the centerline and offset alignment..
Accept the solution.
The dialog box is uncollapsed. The second turnout is placed. Notice in the Name field, the number increments to 3.
At the prompt: Identify mainline alignment, datapoint on
At the prompt: Identify point, in the CAD window, key in This specifies station 0+675 for the .1 placement point.
At the prompt: Identity orientation point, datapoint to the bottom of the alignments, causing the turnout to be placed
The dialog box is uncollapsed. The second turnout is placed. Notice in the Name field, the number increments
16. Click Close to dismiss the dialog box.
17. Click File > Save > Geometry Project.
Making a Connection Between Turnouts Once turnouts are in place, they are easily connected.
1. Click Geometry > Turnouts > Connection Editor.
2. Under Beginning Element, for Turnout Name, select 1.
This identifies the first turnout you placed as the beginning point for the connection.
3. Make sure Ending Connection is set to Turnout.
4. Under Ending Element, for Turnout Name, select 2.
5. Click the Add After button.
6. For Type, make sure Circular is 7. For Length, key in
8. Click Free.
9. For Radius, key in 10. Click Free.
11. Click Apply; then, Close.
12. Under Ending Element, click the checkbox next to Station.
This “frees” the station location of the ending tu make the connection.
13. Click Apply.
The turnouts are connected.
For Type, make sure Circular is selected.
For Length, key in 8.5. Press the TAB key.
Click Free.
For Radius, key in –200. Press the TAB key.
Click Free.
Click Apply; then, Close.
Under Ending Element, click the checkbox next to Station.
This “frees” the station location of the ending tu make the connection.
Click Apply.
The turnouts are connected.
Under Ending Element, click the checkbox next to Station.
This “frees” the station location of the ending turnout to
The turnout horizontal alignment has been created, and has been given the name “1”.
14. Click Save. Do not close the dialog box.
Reviewing Connected Geometry
It is a good practice to review the horizontal alignment after turnouts have been connected.
1. Click the Report button.
2. You can click Print to print the results to hardcopy or save the results to a file.
3. Close the Results dialog box.
4. Close the Connection Editor dialog box.
5. Click File > Save > Geometry Project.
Creating Vertical Geometry for Turnouts After turnouts have been created and connected, yo the vertical geometry for the turnouts.
1. Click Geometry > Turnouts > Create Verticals.
The turnout horizontal alignment has been created, and has been given the name “1”.
Click Save. Do not close the dialog box.
Reviewing Connected Geometry
It is a good practice to review the horizontal alignment after turnouts have been connected.
Click the Report button.
You can click Print to print the results to hardcopy or save the results to a file.
ose the Results dialog box.
Close the Connection Editor dialog box.
Click File > Save > Geometry Project.
Creating Vertical Geometry for Turnouts After turnouts have been created and connected, yo the vertical geometry for the turnouts.
Click Geometry > Turnouts > Create Verticals.
The turnout horizontal alignment has been created, and has
It is a good practice to review the horizontal alignment after
You can click Print to print the results to hardcopy or save
Creating Vertical Geometry for Turnouts
After turnouts have been created and connected, you can create
2. For Compute From, select First Mainline. The geometry for the turnouts will be computed from this alignment.
3. Click Copy and Translate Mainline Element to turn it on.
This will ensure the vertical elements from be copied to alignment
4. For Vertical Alignment, type TAB key.
5. For Description, type turn
6. Click Apply; then, click Close.
The new geometry is created.
7. Fit the view. From the Explorer, click on the Geometry tab.
Under
vertical geometry name in the list.
8. Next, bef
geometry, you must first create cant for alignment ‘offset’.
Begin by creating a slot in geometry for the cant alignment.
For Compute From, select First Mainline. The geometry for the turnouts will be computed from this alignment.
Click Copy and Translate Mainline Element to turn it on.
This will ensure the vertical elements from Centerline be copied to alignment 1.
For Vertical Alignment, type vertical geo1. Press the TAB key.
For Description, type vertical geometry for turnouts. Press the TAB key.
Click Apply; then, click Close.
The new geometry is created.
Fit the view. From the Explorer, click on the Geometry tab.
Under singletrack, click on alignment # 1 to see the new vertical geometry name in the list.
Next, before displaying a profile of the new vertical
geometry, you must first create cant for alignment ‘offset’.
Begin by creating a slot in geometry for the cant alignment.
For Compute From, select First Mainline. The geometry for the turnouts will be computed from this alignment.
Click Copy and Translate Mainline Element to turn it on.
Centerline will
. Press the vertical geometry for
Fit the view. From the Explorer, click on the Geometry tab.
, click on alignment # 1 to see the new
ore displaying a profile of the new vertical
geometry, you must first create cant for alignment ‘offset’.
Begin by creating a slot in geometry for the cant alignment.
9. In the Explorer, click on alignment ‘offset’. Right mouse click and select Set Active.
10. Click File > New. Click the Geometry tab. For Type, select Cant. For Name, type cant1. Press the TAB key. Click Apply; then Close.
11. Click Tools > Options. Click the Rail tab. For Design Speed, type 100. Press the TAB key; then, click Apply then Close.
12. Next, define cant values for the alignment.
13. Click Geometry > Superelevation > Cant Editor.
14. For Horizontal Alignment, select ‘offset’.
15. For Cant Alignment, click cant1.
16. Click Define All.
17. Click OK on the Define Cant Alignment dialog box.
18. Click Apply; then, Close.
Cant values are now defined for alignment ‘offset’.
19. Now, display a profile of the new vertical geometry
(alignment 1). Click Evaluation > Profile > Create Profile.
20. On the Source leaf, for the Alignment, select 1.
21. For Create, select Window Only.
22. Click Preferences. Select vertical geometry, click Load;
then, Close.
23. Click Apply.
24. Select a location to display the profile The profile window is displayed.
NOTE: If the profile is un-readable, it may be necessary to extract the railm_tut.xin from railchapter15.exe and go through steps 19 through 23 again.
25. Next, display the active vertical geometry. Click Geometry
> View Geometry> Active Vertical.
26. To complete this topic, add alignments ‘offset’ and
‘centerline’ to the profile display. Click Evaluation
> Alignments to Profile.
27. For Profile Set, select 1.
28. Click in the Alignments to Project field.
29. Click the Filter button.
30. Select (highlight) alignments ‘offset’ and ‘centerline’and click Add.
Next, display the active vertical geometry. Click Geometry
> View Geometry> Active Vertical.
To complete this topic, add alignments ‘offset’ and
‘centerline’ to the profile display. Click Evaluation
> Alignments to Profile.
For Profile Set, select 1.
Click in the Alignments to Project field.
Click the Filter button.
Select (highlight) alignments ‘offset’ and ‘centerline’and click Add.
Next, display the active vertical geometry. Click Geometry
To complete this topic, add alignments ‘offset’ and
‘centerline’ to the profile display. Click Evaluation > Profile
Select (highlight) alignments ‘offset’ and ‘centerline’and
31. Click OK.
32. Click Apply.
33. Click Close.
34. Click Files > Save > Geometry Project.
35. Click File > Exit and exit your CAD software, or continue to Chapter 16, Using Templates in Railway Design.
15
Overview
When alignments have been created, you can begin to build model of the entire railway surface. In Bentley Rail Track, templates are used to define the cross
railway. A template consists of points and components that, taken together, represent a cross section of the rail surface.
The surface of the track is defined by placing templates at intervals along the alignment using the elevations defined in a vertical alignment. Each point in the template is connected between the template drops to create longitudinal surface features defini
A template can be comprised of four types of objects: Closed Components, Open Components, End Condition Components, and Null Points. Creating a design using a template is very basic in that it simply applies a consistent cross
an alignment. For a complete discussion of the other
definitions and modeling features, see the online help topic for these respective commands. Or, you can review the
Roadway Designer Tutorial XM defining
from the
In this chapter, you will work with a template library
containing different components to build a template for a single track. These files have been pro
will contain a closed component representing a Ballast layer, and open components and end conditions that represent the sub-grade surface.
At the end of the task, you will save the template library to disk. Template libraries
they can be accessed by different users or on different rail design projects.