This subassembly creates a simple pavement structure with user-definable point, link, and shape codes.
This subassembly can be used as a lane or shoulder using superelevation parameters for the slope. The width and outside edge elevation can be calculated based on an optional alignment and profile. This subassembly can be stacked one below another to form multiple layers, or butted side by side to form multiple lanes with or without grade breaks. If multiple GenericPavementStructure subassemblies are stacked, the bottom slope can be used as the top slope of subsequent layers. Optionally, the bottom width of the subsequent subassembly can be assigned as the width of the previous subassembly.
Attachment
The attachment point is at the upper inside edge of the pavement structure.
Input Parameters
Note: All dimensions are in meters or feet unless otherwise noted. All slopes are in run-over-rise form (for example, 4 : 1), unless indicated as a percent slope with a “%” sign.
| Parameter | Description | Type | Default |
|---|---|---|---|
| Side | Indicates which side the subassembly is inserted towards. | Left / Right | Right |
| Width | Width of the subassembly. | Numeric, positive | 3.6 m 12.0 ft |
| Shift Width | Specifies optional additional width to add. | Numeric, positive | 0.2 m 0.67 ft |
| Default Cross Slope | Default slope of the top link, when superelevation slope for the alignment is not specified. | Numeric | -2% |
| Use Superelevation Slope | Specifies to use slope from superelevation specification defined on the baseline alignment. | List of options: No, Outside lane slope, Inside lane slope, Outside shoulder slope, Inside shoulder slope | No |
| Slope Direction | Specifies whether the pavement slopes towards the crown or away from the crown | Selection list | Away from Crown |
| Depth | Depth from top link to the bottom link of the subassembly. | Numeric, positive | 0.2 m 0.67 ft |
| Deflect Outer Vertical Face | Indicates to deflect outside vertical face to a specified slope. | Boolean Yes/No | No |
| Outer Edge Slope | Specifies the slope of the outer edge if choose not to be vertical. | Numeric | 1:1 |
| Inside-Top Point Codes | Specifies point codes to the inside point on the top link. | String | |
| Outside-Top Point Codes | Specifies point codes to the outside point on the top link. | String | |
| Outside-Bottom Point Codes | Specifies point codes to the outside point on the bottom link. | String | |
| Inside-Bottom Point Codes | Specifies point codes to the inside point on the bottom link. | String | |
| Top Link Codes | Specifies codes to the top link. | String | |
| Bottom Link Codes | Specifies codes to the bottom link. | String | |
| Right Link Codes | Specifies codes to the right link. | String | |
| Left Link Codes | Specifies codes to the left link. | String | |
| Shape Codes | Specifies codes for the enclosed shape of the structure. | String |
Target Parameters
This section lists the parameters in this subassembly that can be mapped to one or more target objects. For more information, see To Specify Corridor Targets.
| Parameter | Description | Status |
|---|---|---|
| Width | May be used to override the fixed width and tie the point on the top link which defines “width” to an offset alignment. The following object types can be used as targets for specifying the width: alignments, polylines, feature lines, or survey figures. | Optional |
| Edge Elevation | May be used to override the fixed slope and tie the point on the top link which defines “width” to an offset profile. The following object types can be used as targets for specifying the elevation: profiles, 3D polylines, feature lines, or survey figures. | Optional |
Output Parameters
| Parameter | Description | Type |
|---|---|---|
| Side | Indicates which side the subassembly is inserted towards. | Left / Right |
| Top Width | Total width of the top link including the effective shift width. | Numeric, positive |
| Bottom Width | Total bottom width of the pavement structure including the shift width and width due to the deflected outer face. | Numeric, positive |
| Depth | Depth from top link to the bottom | Numeric, positive |
| Cross Slope | Cross slope of the structure. | Numeric |
Behavior
This subassembly builds a skeletal subassembly that lets you specify various parameters. All point, link, and shape codes can be user-defined as needed. Additionally, this subassembly can get slopes from a target parameter (profile), or from the superelevation specified on the alignment. It can also assign the width from an offset alignment.
While defining an assembly, you can assign the width of the previous subassembly (the one above), plus a shift width to the subassembly, so that stepped layers are possible.
Layout Mode Operation
In layout mode, the subassembly draws the lane using the input parameter values.
Point, Link, and Shape Codes
None.
Coding Diagram
