AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

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Active Member
kmans57
Posts: 6
Registered: ‎03-13-2012
Message 1 of 4 (165 Views)

90°bend in dike alignment

165 Views, 3 Replies
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?
Distinguished Contributor
dibr0804
Posts: 127
Registered: ‎06-29-2010
Message 2 of 4 (154 Views)

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.

*Expert Elite*
Neilw
Posts: 2,341
Registered: ‎09-04-2006
Message 3 of 4 (141 Views)

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
WIN 7 64 PRO
HP Pavillion h8xt, i7 2600, 12 GB
RADEON 6450, 1 GB
http://www.sec-landmgt.com
Active Member
kmans57
Posts: 6
Registered: ‎03-13-2012
Message 4 of 4 (134 Views)

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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