AutoCAD Civil 3D :: Superelevation For 1-Lane Ramp (different Shoulder Widths)

Apr 3, 2013

 I'm attempting to use the Superelevation tool on an interchange.  I have 4, 1-lane ramps that I need to apply superelevation to.  The three issues I have (so far) are:

In the Calculate Superelvation Wizard...

1. In Roadway Type, I don't know what to choose, I'm leading toward Undivided Crowned (center Baseline ) because my assembly (as of right now) is set up as an undivided crowned roadway (with the crown on the west travel lane edge). Which Roadway Type I should choose (for a 1-lane Ramp with different shoulder widths?)

2.  Moving on to the the Lanes category doesn't matters.  I uncheck symmetric Roadway, hoping I can choose "0" for the number of lanes on the Left, or at least put the lane width down to "0" but can't do either.  I uncheck the Symmetric Roadway and it still makes everything symmetric (it acts as though it is still checked?) I only want to show a single 15' lane.  (I even tried to use undivided planar, and put both lanes at 7.5'each, but then I still have shoulder issues...)

3.  Move to the Shoulder Control.  Why doesn't it give me the option to do different shoulder widths?  On ramps it is very common (at least in Wisconsin) to have an 8ft shoulder on the right and a 4ft shoulder on the left.  How can I type in 2 different shoulder widths.

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AutoCAD Civil 3D :: Shoulder Subassembly That Varies Slope In Relation To Lane Superelevation Slope

Jan 22, 2013

i need a shoulder subassembly that varies slope in relation to the lane superelevation slope. i know that i can get a subassembly for the shoulder that will follow the alignment superelevation xml data but in my case i can't use it because we are just adding a shoulder to an existing road. we're not changing the superelevation of the existing road, just milling and overlaying and widening. right now i've created a profile of the outside edge of the shoulder that gives me the correct shoulder slope but whenever i change my centerline profile i have to redo the shoulder profiles which is a real time suck.

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Oct 23, 2013

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Feb 1, 2013

I am building an assembly for a shoulder widening.  the sholder is 5' paved plus 5' stabalized tying to existing grade at a 4:1 slope.  The two shoulder sections are showing up in the cross section but the tie-down is not.  I have checked the target and it is set properly to the existing ground.

See below.

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Apr 10, 2013

I need to create an assembly that will give me the volume of a new shoulder along an existing road, as show in this picture.

I can easily make an alignment along my edge of pavement, and match the existing elevations, but I need to hold the cross slope constant AND the shoulder slope constant, and have the bottom of the shoulder slope to a target 2 feet off of my ROW.

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Nov 5, 2012

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See attached sketch.

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Jan 14, 2013

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Dec 22, 2013

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Jan 21, 2013

I'm working on a windfarm access road with tight bends that need to be 2.5m wider than the straights. I have created offset alignents and the corridor with no problem but how can I label the widths to show the variation in width at the various locations. The road is at the full width (7.5m) between tangent points and then tapers to the standard width of 5m

I have shown simple aligned dimensions on the screenshot but I'm sure there will be a way to do this automatically - won't there?

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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Apr 13, 2012

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Oct 20, 2011

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AutoCAD Civil 3D :: Subassembly Composer Superelevation

Jul 23, 2013

How to use the superelevation. I read that I have to enter this command:

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CType(slope,Double)))

but I don't know where, and I just want to create a simple assembly with a slope and delta X and having a lane outside superelevation for the both side.

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Feb 26, 2013

I have an alignement to which I have applied superelevation.

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However when I create a surface of my corridor it does not show the superelevation, the surface is showing a cambered alignment throughout.

I have created a new alignment, a new corridor and surface and still the same.

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Sep 16, 2013

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---> With superelevation tool own of Civil 3D (Cuve.1,Curve.2,Curve.3)

---> With my program: (VisorNET Curva.1,VisorNET Cuva.2,.....)

 If I calcule again Superelevations using Superelevation button (Calculate/Edit superelevation)of Civil 3D, Civil 3D doesn´t change the Superelevation Curve Names and appears again (VisorNET Curva.1,VisorNET Curva.2,...).Superelevation CurveName property doesn´t exist in settings:

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Aug 6, 2013

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Feb 13, 2013

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May 26, 2012

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Mar 20, 2013

I am currently trying to design a roadway with a reverse curve in it. I am having trouble getting my corridor to model my assembly correctly as it is showing the roadway as the generic assembly and is not adding the superelevation that is shown on my alignment. I have done the following:

1) created an alignment with superelevation wizard - superelevation diagram shows up correctly

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Is there a way to get this to show without referencing an additional profile? Also, on my first curve i want to keep the right side at a -2% slope and raise the left side to 2% slope (RC). Is there a way to limit the calcuations to only use a reverse curve?

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Jun 13, 2012

The superelevation view seems to ignore any station equations applied to an alignment.

Windows 7 Pro x64
Civil 3D 2014 HF1
Dell Precision T1650
i7 3770
NVIDIA Quadro 2000
SSD Boot
16 GB Ram

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Apr 18, 2012

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Oct 2, 2012

slow corridor rebuilding after adding superelevation?why?was ok previous years.

Civil 3D 2012
Work: Xeon W3503, 12GB, Quadro 2000, Dell P2211H x 2
Home: 3930k, 12GB, GTX 590, U3011, QX2710

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Oct 29, 2013

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Dec 30, 2013

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There is a way of adding the superelevation critical stations a labels to the alignment similar to how PC's or PT's  are labeled, but it does not give the cross slope value.

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Aug 1, 2012

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