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Topic starter
What does the "R" represent for the vertical curves shown in the picture?
Thanks,
Dylan
Posted : July 27, 2010 12:39 pm
Do you have a detail sheet?
Posted : July 27, 2010 12:42 pm
cant see it too well. r could be rate of change in the gradient in and out of vc.
Posted : July 27, 2010 12:45 pm
Rotation Rate?
I can't see it clearly either...
Posted : July 27, 2010 12:49 pm
Heck...the only R I could read is R-2 in the detail bubble
Posted : July 27, 2010 12:52 pm
Topic starter
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 12:56 pm
Yes...rate of change
Posted : July 27, 2010 12:59 pm
backward engineer it to check yourself....
Posted : July 27, 2010 1:15 pm
Definitely rate-of-change.
Check out this awesome PDF on vertical curves by Jan Van Sickle, P.L.S.
:coffee:
Posted : July 28, 2010 3:34 am
Topic starter
Thanks for the handout, very helpful.
Dylan
Posted : July 28, 2010 8:59 pm
