AutoCAD Civil 3D :: Daylight To Surface Max Slope?

Apr 18, 2012

I'm modeling a simple corridor (12' lane 2%, 6' shoulder 6%, 4:1 to match EG).  I used the "LinkSlopeToSurface" subassembly for the 4:1 to match the EG.   Unfortunately our EG isn't always wide enough for the 4:1 slope to match it somewhere.

Is there an assembly that would use 4:1 as a standard daylight slope, but where necessary adjust the slope, max. 3.5:1, to match EG surface? 

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AutoCAD Civil 3D :: Daylight With Variable Slope

Nov 6, 2012

I wonder is it possible to have a daylight (or other function)  that can give a different slope for datum and for the top.  This would be useful for if you have different rules (e.g. because of geotech) with regard to temporary and permanent batter slopes.

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AutoCAD Civil 3D :: Daylight To Offset With Maximum Slope?

Nov 7, 2012

I need to daylight to an offset, to create a clear zone/fall zone, but it must have a maximum slope of 6:1. If no daylight is found at the offset and maximum slope, then grade at the maximum slope to the offset then daylight to the target suface at a steeper slope.

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AutoCAD Civil 3D :: Daylight Slope Doesn't Show Up In Cross Sections

Nov 29, 2012

I have a fairly simple corridor, however, I had to modify the alignment, rebuild the corridor and resample cross-sections.  Now my right daylight slope won't show up.  It shows up in the section viewer, but not the cross-section.  I had this problem once before and fixed it, but now I can't remember how I did...I have all targets, sections sampled match corridor sampling etc.

Civil 3D 2012 SP1

Windows 7

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AutoCAD Civil 3D :: Test The Height Of Fill Slope Relative To Daylight Catch Point?

Sep 23, 2013

This seems like something that should be really easy but for the life of me I can't figure it out. I even started looking at using the Subassembly composer to create a custom SA but that seems like a ton of work so something that would seem to be a common problem.

I need to provide a v-ditch with 2:1 side slopes at the toe of a 2:1 fill slope. The flow line of the ditch should be 2 ft below the daylight point of the roadway pavement section.  

My problem is that the conditional subassembly seems to evaluate the height of fill directly beneath the attachment point of the conditional SA (pavement section daylight point in my case – “Daylight_Sub” Point code).  Instead I need it to evaluate the difference in elevation between the catch point of a 2:1 daylight fill slope and the conditional SA attachment point (Daylight_sub). If that difference is less than 2 feet, I need to provide the ditch, otherwise I can just use the daylight slope for the ditch foreslope and the existing surface for the backslope.

how to do this? Maybeits as easy as using a predefined daylight subassembly that I'm overlooking?

Here’s my current assembly attempt: 

And the resulting behavior. It is solving the 2nd fill condition when I would like it to solve the 1st fill condition:

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AutoCAD Civil 3D :: Cannot Get Corridor Surface Boundary From Daylight Points

Jun 22, 2012

Cannot get corridor surface boundary from daylight points. Is there another way so that I do not have to trace the outer limits?

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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 :: Takeoff Surface Area Of Daylight Slopes

Feb 28, 2012

What approaches are available in civil 3D to takeoff the surface area of daylight slopes?Which do you recommend for given scenarios?

I tried compute materials but the volume report for cut and fill area is zero - so either I missed something or the compute materials for surface area does not work yet. Then, I tried the QTO manager and linked the corridor codes slope_link and daylight_fill to payitems. Slope_link has a QTO of 1,458,099M2 and daylight_fill has 913.39M2; I have more confidence in the daylight_fill takeoff.

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AutoCAD Civil 3D :: Corridor Section Editor Not Displaying Daylight Lines To EG Surface

Jul 13, 2012

I'm having a random issue with the daylight ties lopes not tieing to the EG surface at all stations in the Corridor Section Editor. Some stations daylight fine. In plan view the daylight lines vary left & right as expected but don't display at all in Section Editor.
 
Some background info:2012 Civil 3D SP1 / 64 bit / WIN7Simple corridor used1 alignmentSame fg profileSame drefd EG surface (set all targets for daylight LT/RT)Only one assembly applied to entire corridor Attached are 2 captions of the issue I'm having which each have a cut & fill occurrence as well as a caption of the entire align. & corridor. I did try deleting corridor & recreating and even recreated a simpler assembly and still have the daylight issue in same areas of corridor.

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AutoCAD Civil 3D :: Corridor Surface Boundary - Line Is Jumping On Daylight Fill

Jun 22, 2013

I have problem with corridor surface boundary , in curve boundary line is jumping on daylight fill , but i have created surface on wearing layer ,also when i am adding boundary there is only 3 types of adding , corridor extends , polygon and interactively , photo attached.

I am using Civil 3D 2014

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AutoCAD Civil 3D :: Link Slope To Surface

Nov 7, 2012

in my link "link slope to surface", i have the slope set to -2.00%. in the cross sections, it is at a +2.00%. why is this thing not linking at the defined -2%? see image.

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AutoCAD Civil 3D :: Slope Of Surface After Kriging

Apr 5, 2013

Please find the attached picture. It shows a surface with its data points. I extended the surface to the outer boarder shown by kriging. The slope of the surface that was added with the extension (past the data points) has an upward slope that was generated. I need the surface to stay level with the data points that are there.

How to avoid that added slope when extending a surface?

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AutoCAD Civil 3D :: Slope Surface Percentages

Aug 16, 2013

I am using AutoCAD Civil 3D to do a slope analysis across project locations. When defining slope categories, I am finding that the max slope percentages are astronomically high; ranges are being returned up to 360,000%--and I've only done three regions! I understand vertical slope but these percentages are not realistic by any means, especially through the areas in which I am working.

A specific example: between a contour at elevation of 792 ft and a contour at elevation of 794 ft at a distance of approximately 60 feet, the slope percentage being returned is in the 9000% range. There is not a sudden drop or rapid change in elevation between these two contour intervals to provide reason for this high of a percentage. I would expect to have a slope percentage nearer the 3% range.

The data source of the contour information is LiDAR being brought into CAD via the task-based geospatial option using MapImport. All data tables are being kept. Polygons are being imported as closed polygons. There are no surface errors being reported upon creation. The project locations were created in another program and imported into CAD using the same manner. The only thing that I can conjure up is that there is some sort setting issue.

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AutoCAD Civil 3D :: Surface Slope Table Colors

Sep 17, 2013

I change my surface style to slope banding (3 ranges) and make a legend table.All of the three ranges in the table are red and my surface ranges are blue, yellow, & red.

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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 :: Creating Grading To Surface With Slope?

Dec 30, 2013

I am trying to create grading slope from a Feature line that was created at a constant elevation of 609m.  I want to create a slope of 3:1 from the feature line to a surface I created.  I recall in AutoCAD Civil 3D 2011 that you could create a slope directly to a surface.  Is there a way of doing that in 2014 or did I simply forget a step when I created my Grading Groups?

I created the grading group using the Grading Creation Tool Pallet and selecting Set Grading Group.  Then I set my target surface to the one I want to grade towards. I thought all I had to do than was go to Create Grading select the direction of grading and the slope.  I thought the slope would continue to the target surface but it asked for a distance for grade that would throw off any volumes I want to pull off.

Did I have to create a new surface for my Pad at 609m than grade from that and how would I make sure my slope continues till it contacting the surface I want to target?

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AutoCAD Civil 3D :: Surface Slope Label One Point

Apr 3, 2012

Am I correct in assuming that if Surface Labels by One Point is chosen, the slope as shown is the maximum slope of the surface triangle where the point was chosen??

IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600

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AutoCAD Civil 3D :: Surface Percent Slope Labels

May 13, 2013

I have surface percent slopes labels in my drawing.  I want to change the current style precision to only one decimal not three and I don't want to see the negative in front of the slope value.

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AutoCAD Civil 3D :: Corridor Grading - Slope To Surface

Dec 12, 2013

On my corridor I am using Link Slope to Surface, using a 3:1 slope. But it is giving me a 3:1 slope radial to the corridor - what I really need is a 3:1 slope between the contours themselves. On the inside of a tight curve, this makes a big difference. See the attached screenshot. Is there a workaround for this?

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AutoCAD Civil 3D :: Link Slope To Surface Projection?

Nov 21, 2013

I am re-routing a small stream. I am using generic links for the bed and side slope. I whant the side slope to be 3:1 and project beyond the existing culvert wall in the eg model. can this be done easily?

HP Z210 Workstation
Intel Xeon CPU E31240 @ 3.30 Hz
12 GB Ram

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AutoCAD Civil 3D :: How To Model 2 Flat Surface And A Slope Between Them

Nov 5, 2012

I have a drawing like as attached drawing. I must to model 2 flat surface with different elevation and a slope between them.

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AutoCAD Civil 3D :: Surface Labels - Slope In Degrees

May 26, 2010

I'm just trying to figure out how to label my surface with slope values in Degrees. The existing options are rise/run, percent...

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AutoCAD Civil 3D :: Find Path Of Determined Slope Along A Surface?

Oct 25, 2013

I am trying to draw an alignment for a road.  I want the alignment to represent the outside of the curve as the road climbs up and around a mound. Is there not way to do this in Civil 3D?

[URL]

and now I am thinking I will have to do this manually, extract contours, and trim/extend my way to victory...I really would like to have this in a dynamic situation so I can make adjustments.  Also, it would be adventageous to have the line actually follow the grade so I dont have to add curves in etc later...

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AutoCAD Civil 3D :: Surface Slope Style Plan Read?

Jan 22, 2012

Using Civil 3d 2012, I have a slope label with mult lines, and set to plan read.

When I rotate the label, the goes to plan read, but the bottom line text is on the top, top on the bottom.

I  hope it would be simular to mirror.

I look at the expression, but didn't see any way to get the  label angles.

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AutoCAD Civil 3D :: Link Slope To Surface With Maximum Width

Nov 20, 2012

From the subject is there any way to apply Link slope to surface with maximum width 

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AutoCAD Civil 3D :: Transitional Lanes And Link Slope To Surface

Aug 4, 2012

I am having trouble getting my assembly to work in my corridor.  I have a Basic Lane Transition subassembly with a Link Slope to Surface subassembly attached to it.  The assembly follows my centerline alignment and the lane widens as designed out to my offset alignments.  The slope grading to daylight works fine until the transitional lane starts to widen, then the slope assembly stays at the same point on the lane and does not stay linked to the end of the lane. 

I am also having trouble getting the subassemblies to attach to the proper points.  I keep trying different OSnaps unitl one seems to work, but I am never sure the subassemblies are connected properly. 

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AutoCAD Civil 3D :: 2012 Surface Style Set User Slope Ranges

May 26, 2012

I am grading a parking lot and trying to highlight areas with less than 1% slope.

I can't find the spot to set user slope ranges in the setting tab.

I can find setting number of ranges with three options of minimal use.

This used to be so simple in LDD.

The examples I have seen for this function all show odd ranges of limited value.

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AutoCAD Civil 3D :: Suppress Trailing Zeros In Surface Slope Label

Sep 24, 2013

I'm trying to suppress trailing zeros in a surface slope label in run:rise format. Basically, if it's a 2 to 1 slope, I want it to read 2:1 or if it's a 2.5 to 1 to read as 2.5:1.

I found this blog showing how to do it for line slopes, but I think it's not able to work using the run:rise format.

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AutoCAD Civil 3D :: Surface With Specific Slope - Calculate Cut And Fill Volume

May 25, 2013

I use Civil 3D 2011 and I am new to it. I have created a natural ground surface from survey points. Now i want to create a finished surface with a specific slope in a specific direction at a specific elevation and then to calculate cut and fill volume.

I can create a flat surface at a specific elevation. How to tilt this surface to a specific slope along a specific direction.

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AutoCAD Civil 3D :: Grading Slope Projection - Correct Surface To Implant Photovoltaic Structures

Jun 12, 2013

I am looking for grading utility in autocad civil 3d. So, i need to smooth my projection slope to target the surface without projection steps. The objective is to correct a surface to implant photovoltaic structures.

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AutoCAD Civil 3D :: Surface Slope Labels - Rise:Run Custom Labels?

Dec 27, 2013

I am trying to create a surface rise:run slope label for our company template file.  I have it set using the default values that I want.  But right now the text is just 1:1...where we want it to read 1V:1H.

how I can keep the label dynamic to the surface, but put the V & H in the label after the values.?

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