AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

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Active Member
6 Posts
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Registered: ‎03-13-2012
Post 1 of 4

90°bend in dike alignment

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03-13-2012 09:25 AM
I'm working in on a dike alignment that has a 90° bend and the contours are following the side slope to existing grade and then goes back to center top of new grade of dike at the bend.
So the contours shows a dip in plan view. So the center of dike alignment doesn't follow top of new grade.
Is there something I can use to the contours follow the alignment correctly instead of a dip?
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Registered: ‎06-29-2010
Post 2 of 4

Re: 90°bend in dike alignment

03-13-2012 10:59 AM in reply to: kmans57

Add in some breaklines or surface points to pull the contours the way you want.

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Post 3 of 4

Re: 90°bend in dike alignment

03-13-2012 11:40 AM in reply to: kmans57

Without a visual it  is hard to know what is happenihg but I suspect the problem is the corridor slope to existing ground is being truncated at the bend since there is no sulution around the corner.

 

2 options are:

 

1) Add a small fillet to the baseline at the corner

2) Extract the edge of the dike from the corridor to make a feature line, then use a grading to model the corner.

Neil Wilson (a.k.a. neilw)
Infrastructure Suite/C3D 2013, LDT 2004, Power Civil v8i SS1
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http://www.sec-landmgt.com
Active Member
6 Posts
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Registered: ‎03-13-2012
Post 4 of 4

Re: 90°bend in dike alignment

03-13-2012 11:48 AM in reply to: kmans57
Yes
Slope is tying pass bend and into assembly pass the bend
making contours show a dip( bottom of slope)
And then going back up to proposed grade
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