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Vertical Curve

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dmgonsal
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What does the "R" represent for the vertical curves shown in the picture?

Thanks,
Dylan


 
Posted : July 27, 2010 2:39 pm
just-mapit
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Do you have a detail sheet?


 
Posted : July 27, 2010 2:42 pm
Moe Shetty
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cant see it too well. r could be rate of change in the gradient in and out of vc.


 
Posted : July 27, 2010 2:45 pm
surv8r
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Rotation Rate?

I can't see it clearly either...


I can explain it to you, but I can't understand it for you...

 
Posted : July 27, 2010 2:49 pm
just-mapit
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Heck...the only R I could read is R-2 in the detail bubble


 
Posted : July 27, 2010 2:52 pm

dmgonsal
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I've tried to upload the image clearer, it won't work.

So the "R" shown on the sheet says R=0.55 or R=-0.30

So it must be rate of change?


 
Posted : July 27, 2010 2:56 pm
just-mapit
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Yes...rate of change


 
Posted : July 27, 2010 2:59 pm
rankin_file
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backward engineer it to check yourself....


 
Posted : July 27, 2010 3:15 pm
RFB
 RFB
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Definitely rate-of-change.

Check out this awesome PDF on vertical curves by Jan Van Sickle, P.L.S.

Vertical Curves

:coffee:


 
Posted : July 28, 2010 5:34 am
dmgonsal
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Thanks for the handout, very helpful.

Dylan


 
Posted : July 28, 2010 10:59 pm