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Sketch a section to show us what you want it to look like and include info as to how it should make decisions. It works really well to sketch it out in academic and take a screenshot for posting.
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Don Ireland
Engineering Design Technician
If a reply solves your issue, please remember to click on "Accept as Solution". This will help other users looking to solve a similar issue. Thank you.
Please do not send a PM asking for assistance. That's what the forums are for. This allows everyone to benefit from the question asked and the answers given.
OK, that adds an extra layer of complexity but can be done. The first thing you'll need is a lane subassembly - LaneSuperelevationAOR is a good one for this. The next thing you need is a series of decisions.
- Is the shoulder in fill or cut. If it is in fill then is the height greater or less than 4m. Depending on this answer you'll be adding the appropriate shoulder and daylight subassemblies.
- If the shoulder is in cut then you can add the shoulder subassembly for that condition, then start another set of decisions.
- If the outside edge of the ditch is above the rock surface then use a daylight subassembly with parameters for the earth ditch.
- If it's below the rock surface then there will be a third series of tests for various depths of rock. Each one will have its own ditch and daylight sub attached to complete the section.
I don't have time to build the entire assembly tonight, but you can see below how I've started adding the subassemblies for the fill scenario. Please note, the conditional subs display as a slope but the test is measured vertically from the insertion point. The way to move the test to the correct location for what you need is to attach it then move it horizontally. The shoulder subassemblies which will be processed if the test passes are shifted in the opposite direction so that they will actually be at the edge of the lane.
Try building your own copy of this assembly, with the correct thicknesses and widths for your design. Let it run in a corridor to confirm that it works correctly for the fills. I'll try to get back to this tomorrow and finish the explanation for cuts, or perhaps someone else will get to it before I do.
Steve
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OK then here is the cut portion of the assembly, based on my interpretation of your typical section.
Starting from the initial test at the lane edge to ensure that point is below EG, the next two tests are to determine if that point is above or below the rock surface. If the lane edge is above rock then the appropriate shoulder and daylight is added. Please note - it is possible that the ditch will be in rock, you may have to move the testing point out to the bottom of ditch similar to what we did for the fill scenario.
If the lane edge is below the rock surface then the shoulder and ditch foreslope is added. The final three tests determine the depth of rock cut and the appropriate ditch widths and cut slopes are added to that.
Obviously this is a simplified example. I haven't put much effort into making sure that all of the dimensions and depths are correct but you should be able to see the intent.
Steve
Please use the Accept as Solution or Kudo buttons when appropriate
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