AutoCAD Civil 3D :: Create Grade From A Corridor

Aug 27, 2013

I want to create a grade (without object grade) using a corridor. This is my assembly:

This only contains  the sub assembly "DaylightBench" in the side right.

I have the alignment and profile. I have created the corridor. 

red line= alignment
green line= feature line (code Intersecction) converted to polyline.
pink surface= surface (code TOP).

I have added a boundary for surface of type "add from polygon" and I have selected the closed polyline(green line).

However, the boundary seems doesn´t work.
Autocad Civil 3D 2014 +SP1
Quad Core Intel i7 3770-cpu 3.40Ghz.
ssd samsung 840 pro 512gb+ssd samsung 840 pro 256 gb+1tb hdd
32gb RAM 1600 Mhz.
nVidia Quadro 2000.
Win 7 Pro 64bit

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AutoCAD Civil 3D :: Corridor Line Follows Existing Grade

Jan 11, 2013

i have a corridor. the corridor feature line that is supposed to hit the proposed centerline is following my existing grade instead of where the profile is. in other words, the corridor line i need at the centerline when i do "feature lines from corridor" is following my existing grade instead of the top of my road. did i accid. change something? i need it to follow the top centerline of my road. the red arrow is the line i need at the top centerline. 

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AutoCAD Civil 3D :: Corridor Model Changing Slope Grade From 1:2 To 1:2.5

Nov 7, 2013

Designing a tailing dam I use a corridor model changing slope grade from 1:2 to 1:2.5.

There are assemblies and subassemblies with shapes defined for each slope grade, LinkMulti with no target, but how do I make the transition from one slope grade to another one? 

In corridor properties I included two regions for each slope grade.

For grading there is a transition function. But the transition for corridors? 

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AutoCAD Civil 3D :: How To Create Roundabouts Corridor

Jul 21, 2013

Where i could find step by step how to create roundabouts corridor (roundabaout design)  with civil3d ? Id like to know what assemblies i need to create ?.What profiles and alignments i need ?. Right now i have read some threads , and creating roandabouts seams  really really hard..

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AutoCAD Civil 3D :: Corridor Split - Create Blank Assembly?

Mar 4, 2013

I have a corridor split and I do not need an assembly for the first part of my corridor do I create a blank assembly for that part of the design?

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AutoCAD Civil 3D :: Create Multiple Section Views From A Corridor

Apr 16, 2012

I am attempting to create section views from a corridor. I have about 80 sections total that I would really like to stack 3 high...then just across the page. Any step by step that make this process easy to understand? 

Right now I get 10 high then across the page (using 'draft' option).  I've tried to make a dwt at a 10 scale, (setting the viewport at 10 scale and viewport as a 'section' in the properties), but when I use that, the sections start overlapping (this is using the 'production' option).

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AutoCAD Civil 3D :: Surface Corridor Is Not Triangulating Entire Corridor Boundary

Sep 14, 2012

I have created a surface from a corridor.  I set the boundary of the surface to the daylight of the corridor.  In some areas of the corridor the surface does not triangulate see attached.

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AutoCAD Civil 3D :: Copy Corridor Or Corridor Station Values Only?

Dec 13, 2012

Copy a corridor successfully? I'd like to try this just a little worried about the explosion of evil this may cause to my Civil 3D session.

Even all the properties of the corridor setup from one to another would be useful. I'm building one corridor and an 2nd one that matches everything except I need to replace my Assembly with one meant for stripping.

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AutoCAD Civil 3D :: Corridor Surface Is Not Matching Corridor Top Links

Mar 21, 2013

My corridor surface is not matching my corridor top links.  see attachments.  this is affecting my volumes!

The section-plan(surface red).png is showing the section editor and the plan view.  the red highlighted line in section is the corridor surface and as you can see in plan view the surface is incorrect and wiggly.

The pdf is all my sections with the red linework being the corridor surface.

C3D ver 2012
Win 7, 64bit

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AutoCAD Civil 3D :: Surface From Grade

Jul 28, 2013

I'm working on a grading plan which excavates down from just outside the waterline of an existing pond. When I create a surface from the grading, it looks like a whole bunch of strange break lines have been added, messing up the surface. I thought it might be the mid ordinate distance but changing that doesn't seem to fix it it. Interestingly, when I grade from the original waterline, this doesn't seem to happen.

Here is my workflow, a picture of the result is shown below.

1. Turned the current waterline into a feature line.
2. Created new feature line by offsetting outside that feature line by 3.16 ft.
3. From new feature line, grade down 10 feet at 3:1
4. Create new surface using grading.

The grading lines (shown in white) look correct. But when I create the surface (green and yellow), it is all messed up.

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AutoCAD Civil 3D :: Grade Break Increments

Sep 13, 2013

I have a profile set up with a surface an alignment and a Water Main. I would like to place grade breaks (Using Profile labels) every 100' along the surface however the increment field isn't available for grade breaks. Weeding doesn't work because it needs to be exactly every 100' I was thinking of creating an expression for it however I still haven't reached that level of expertise.

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AutoCAD Civil 3D :: Surfaceslope Arrows With % Grade

Jul 2, 2012

I noticed a post a few years ago mentioning this function wasn't available then. Is it still not available? Is there a routine? A lisp? An expression that I can make to put a slope arrow inside every tin in my surface with a % grade?

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AutoCAD Civil 3D :: Profile Grade Markers

May 22, 2013

Why do profile grade markers always reset in section views? This has to have been a wish list item. lsp or software to populate these?  I heard in 2014 they still disappear.

Civil 3D 2012 SP4.0 Windows 7 Enterprise 64-bit
C3D 2014 SP1
Dell M6600, Core i7 @ 2.3GHz, 16 GB ram
Dell T3500 workstation, too much ram

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AutoCAD Civil 3D :: Profile Grade Break Removal

Jan 6, 2013

I was laying out a vertical curve in the roadway profile.  I have a vertical curve of 100' in length, however immediately after that it shows a grade break.  I do not want this grade break in my profile, I simply want a vertical curve with two grades on the left and right sides.  How can I get 2009 C3D to remove the grade breaks?  It would be very uncomfortable for someone to have to drive over these in the real world.

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AutoCAD Civil 3D :: Show Slope / Grade On Surface?

Jun 27, 2013

i was wondering is it possible  to show slopes  or grades on my surfaces  , or corridors  IN PLAN VIEW ?

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AutoCAD Civil 3D :: Grade One Surface To Another Like Feature Line?

Jul 12, 2013

I was wondering if there is a way that I can take an existing grade surface and apply a designed pond surface.

Right now I have the pond as a set of 3d Polylines in the proper geometry.

I want to place the pond into this surface and cut/fill at a 3:1 from that pond to the existing surface.

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AutoCAD Civil 3D :: Grade Extension Of Feature Line

Jun 12, 2013

We are working on a road widening scheme where one edge of the road is retained as far as possible while  other edge being  widened. I like to design  a retained channel line by extending the cross fall between the existing center line and the exiting channel line on to the design one.

It is possible in civil 3d to extend the gradient between two feature lines at some offset  from reference feature line?

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AutoCAD Civil 3D :: Profile Grade Label Reset?

Nov 7, 2013

i've got a profile with a lot of grade labels, some of which i've turned the visibiliy off. i need to turn some, but not al,l of them on.

Dell Studio XPS 9100
Intel Core i7 CPU 930 @ 2.8GHz
12GB Ram
64 bit
C3D 2012 SP3.0

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AutoCAD Civil 3D :: Profile Grade Break Labels?

Dec 30, 2013

I have labled for grade break on the profile, but it did not lable all break line? how to add grade breaks along the new profile (see attached image).

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AutoCAD Civil 3D :: Cannot Get Existing Grade Linetype To Show Up

Dec 12, 2013

I am creating profiles and I can not get the existing grade linetype to show up as a uniformed dashed line.  The layer is set up for a dashed line but   the existing profile line is made up of too many nodes to make the linestyle look right.

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AutoCAD Civil 3D :: Filtering Grade Break Labels?

May 18, 2012

I've got a drawing in which the existing ground is so jaggedy that I've got way too many grade breaks (see the attached image).  I know I can use the weeding and eliminate the labels every 50 feet, or so, along the profile.  But I need to have the ability to only show a specific grade break range.  For instance, I'd like for my profile only to display grade breaks between 0% and 2% and not to display anything above 2%. I've tried making an expression, but have been hitting brick walls.  I also know I can manually (use the CTRL + click) select the specific labels that I don't want and erase them, but I've got lots of these labels. Any LISP routine or an expression that can accomplish this?  [URL]

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AutoCAD Civil 3D :: Table Showing Slope Grade

Nov 27, 2012

I have a surface that I have done a slope analysis on and want to put a table showing the slope grades.  I have made a viewport and would like to put the table in paperspace.  However, when I zoom in paperspace and regen the table changes size.  How or where do I keep the table from changing size.  It wont let me scale it up or down.

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Mar 12, 2013

How I could create a label for the curb return grade as shown on the attached file.  The label is on a curve.

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AutoCAD Civil 3D :: Cross Section Finished Grade

Feb 13, 2006

How do I get my finished grade on ALL my cross-sections at once? I'm getting the existing grade for both section 1 and section 2 grade in the band.

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AutoCAD Civil 3D :: Grade To Surface At A Fixed Distance?

Aug 9, 2013

When we created our fist C3D template in 2007 it was possible to make a grading criteria that targeted a surface at a fixed distance.  In other words, the slope was variable.  Looking at it again in 2013 it appears it's not possible to creat a criteria like that.  Am I missing something?   Or was that option removed? .....perhaps because it was too unstable?

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AutoCAD Civil 3D :: Get Finished Grade Elevation To Show In The Band At PVI?

Nov 28, 2012

i've got a profile band for my finished grade profile. it works great except for where a pvi falls at a major or minor station, the profile band is blank. is there a way to get the finished grade elevation to show in the band at a pvi?

Dell Studio XPS 9100
Intel Core i7 CPU 930 @ 2.8GHz
12GB Ram
64 bit
C3D 2012 SP3.0

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AutoCAD Civil 3D :: Label Grade In Line In Profile View

Jul 16, 2012

I have a regular AutoCAD line in a profile view and wondered if there is a way of labeling the grade of the line. I'd think I could use and expression to calculate it. But I don't know how to automatically adjust for the vertical exaggeration without having to have a separate expression for all possible situations.

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AutoCAD Civil 3D :: Extend Feature Line Arch At Grade

May 10, 2012

I had thought this would work with no problem. I know the elevation I need to start an arc at and an elevation at a point along the arc. I drew that portion of the arc and then extended the arc to a line where I need the arc to end. I had expected the arc to extend along it's current grade the way a straight Feature line would. But the end dropped to 0.

I undid the extension, listed the FL arc to get the grade, extended it again and used the Elevation Editor to set the previous grade. But why didn't the extension work? I checked for other FL in the site that might cause this but there were none.

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AutoCAD Civil 3D :: Add Daylight Subassembly In Order To Grade Surface?

Oct 1, 2013

I'm building up my assembly and I want to add a daylight sub-assembly in order to grade my proposed surface to the existing surface. Typically I would have a 1:3 slope up or down. I have choosen the DaylightGeneral for this and although there is quite a few parameters to play with, I'm only interested in the up/down slope but when I put anything sleeper than 1:4 it doesn't work, I get this red line and circle.

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AutoCAD Civil 3D :: Defining Grade Break Criteria In Cross Section?

Feb 7, 2013

I made a bunch of cross sections of an EG surface and want to define an elevation label at each significant grade break. I see an option to weed by distance but no option that would allow me to place a label at where the slope changes by more than a certain percent. 

I found this old thread from three years ago and the best solution to come out of it was deleting individual labels.


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AutoCAD Civil 3D :: Grading Tools - Creating Proposed Grade Surface?

Feb 21, 2013

I'm trying to create a proposed grade surface using the grading tools. I drew the outline boundaryof the proposed surface as a closed polyline then created a feature line from it and assigned different elevations to it. When I try to select the feature line in order to create the grading, I get "THIS FEATURE OVERLAPS ITSELF AND CANNOT BE GRADED". What could be a possible reason for this?

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