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Widening 1 - Overlay with Subcut
Updated May 09, 2016
This article applies to:
- RoadEng Civil
- RoadEng Forestry
Overlay with Subcut Component
Pavement overlay and widening. Up to three shoulder layers and a subcut.
Typical Cross Section
Parameters
| ACPThick | Thickness of top asphalt concrete pavement (ACP) overlay. | |
| ACPShoulderThick | Thickness of shoulder asphalt concrete pavement (ACP) layer. | |
| BaseThick | Granular base course shoulder thickness. | |
| UnderCutThick | Depth of undercut below GBC. | |
| WideningWidth | Width (horizontal distance) of widening measured at the bottom of the ACP overlay. | |
| ExistingWidth | Existing road width, measured at the bottom of the ACP overlay. | |
| UnderCutBaseSlope | Slope of the base of the undercut. The current super elevation / crown is added to this slope. | |
| ACPSlope | Fill slope of the ACP material. | |
| BaseSlope | Fill slope of the base layer. | |
| UC_Fill_Slope | Fill slope of the undercut. | |
| CF_Probe_X | Horizontal offset to reference feature on existing pavement (use to calculate crossfall) | |
| CF_Probe_Y | Vertical offset to reference feature on existing pavement (use to calculate crossfall) | |
| Crossfall | Calculated crossfall - can be overridden |