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Dance with Curves

4 REPLIES 4
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Message 1 of 5
onsionsi1
278 Views, 4 Replies

Dance with Curves

I would like to ask if there is available way to draw a single curve (Loop in Interchange) with spiral in and spiral out (A=80) for (R=90) and let me tell you that the begining of alignment is reversed curve with Radius (R=1000) and also the end of alignmet is reversed curve also with radius (R=2000)

So, hopefully you can give an advice for my issue

My attached file is what i'm looking for but as you know but without spirals.

 

 Thank you in advance.

 

 

Please do not forget approve as solutions and Points
to Remember Please Accept as Solution and Kudos Please
4 REPLIES 4
Message 2 of 5
BrianHailey
in reply to: onsionsi1

I don't think you can put a single spiral between the two curves. You would need to put in two spirals (spiral reverse spiral type of thing) to get this to work.

 

I personally have never used spirals so I'm not sure the best approach to take.

Brian J. Hailey, P.E.



GEI Consultants
My Civil 3D Blog

Message 3 of 5
sboon
in reply to: onsionsi1

This appears to be essentially the same question as was asked in this thread.  The workaround solution would be the same as far as I can see.

 

Steve
Please use the Accept as Solution or Kudo buttons when appropriate

Steve
Expert Elite Alumnus
Message 4 of 5
nilesh33
in reply to: onsionsi1

hi,

 

can we try something like this ? 

 

added small tangent of length .1m inbetween spiral and curve

Message 5 of 5
onsionsi1
in reply to: BrianHailey

I'm totally agreed with you Mr.Brian

we have to put reversed spiral curve with A=1 for one and other will be A=80 but how to do that this is our issue becuase Civil 3D didn't let me to draw a curve with more than 180 degree.

 

Thank you in advance

Please do not forget approve as solutions and Points
to Remember Please Accept as Solution and Kudos Please

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