I know I can use the outsideLane super and apply the calculation the to attain SE in my model. If I wanted to have a shoulder roll over opposing SE , that is if Full super of the lanes is 4% I'd like the shoulder to transition to -4%. How do I construct the assembly to do this? Do I have to manually profile the transition to target, or will a sub read the se calc for the shoulder and develop automatically?
Joe Bouza
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Solved! Go to Solution.
Solved by fcernst. Go to Solution.
That was answered during an AU class this morning, but you missed it. 🙂
Steve
Please use the Accept as Solution or Kudo buttons when appropriate
Joe Bouza
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Joe Bouza
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Joe Bouza
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I'm not sure what you are trying to do now. Do you have a typical section?
Pardon the caveman drafting. When I get to super I wanted to break the shoulder the opposite way. I didn't know how to set it up. I used an outside lane super segment that gets is cross slope fro m the inside that get it from the super calc. For the region where I needed to rollover, I added a layout profile to target and got what I want, for now. I feel like I worked too hard and there must be a more elegant way to do it.
Joe Bouza
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I feel like I worked too hard and there must be a more elegant way to do it.
Use the Superelevation View, it's fast.
Joe Bouza
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I don't have the software in front of me, but it's part of the superelevation calculation wizard. When you run the tool there are options for shoulder slopes, including match lane or apply rollover etc.
Steve
Katinka Sante
Community Customer Advocacy Sr. Manager
Have your Left Shoulder use Right Outside Shoulder.
For those who like pictures.
Once the superelevation is calculated you can apply the appropriate shoulder slopes within your assembly.
Steve
Please use the Accept as Solution or Kudo buttons when appropriate
"I know I can use the outsideLane super and apply the calculation the to attain SE in my model. If I wanted to have a shoulder roll over opposing SE , that is if Full super of the lanes is 4% I'd like the shoulder to transition to -4%. How do I construct the assembly to do this? Do I have to manually profile the transition to target, or will a sub read the se calc for the shoulder and develop automatically?"
I see many viewer see you as spot on and you probably are, by My writing skills may have obfuscated the intent of my post. I know how to calc it - Just can't figure out how to construct "it" (as in the assembly make up with a curb and sidewalk) to be applied.
Joe Bouza
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@Joe-Bouza wrote:"I know I can use the outsideLane super and apply the calculation the to attain SE in my model. If I wanted to have a shoulder roll over opposing SE , that is if Full super of the lanes is 4% I'd like the shoulder to transition to -4%. How do I construct the assembly to do this? Do I have to manually profile the transition to target, or will a sub read the se calc for the shoulder and develop automatically?"
I see many viewer see you as spot on and you probably are, by My writing skills may have obfuscated the intent of my post. I know how to calc it - Just can't figure out how to construct "it" (as in the assembly make up with a curb and sidewalk) to be applied.
Just make your assembly the same way you drew it. As long as you have a lane subassembly and a shoulder assembly you should be able to use the tabular view to make the transitions the way you want them. The curbs, sidewalk, and daylight will attach to the shoulder and should build just like your beautiful napkin assembly. Below is an assembly I did that has shoulders and lanes in a superelevated curve.
If you know where your superelevation critical points are, such as level crown, etc., it's pretty easy to use the tabular view to tell the software what you want the shoulder and lane cross slopes to be at what stations.
I attached one that I just did a couple of months ago. This one was unique in that we are widening an intersection and right after the intersection we have to drop a lane & tie in to an existing superelevated road to make it match.
I obviously have a very dense head. Its my understanding the lane subs read the super and the Shoulder subs read the rollover, correct?
So how do I add curb and sidewalk to a sholder sub? It looks wrong in layout mode?
Joe Bouza
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Joe Bouza
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Once the superelevation is calculated you can apply the appropriate shoulder slopes within your assembly.
In Joe's special case he wants to have his shoulder transition from a normal -2% up to a max -4%...
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