I need to create a carriageway overlay corridor on and existing carriageway that has a curved surface and not a typical crossfall. I've tried the LaneParabolic assembly but it doesn't give me the control I need to target an alignment and profile.
View 8 RepliesIs it possible in civil 3d to input a cross section of superelevation as parabolic rather than straight section in civil 3d. We are looking at a parabolic bend of 40 degrees.
View 6 Replies View RelatedI'm creating finished roadway profiles by setting the PVIs then going back and inserting vertical curves (Free Vertical Parabola, PVI Based). When I insert the vertical curve, it displays as 1-5 tangents depending on length (not a smooth parabola). I've changed the curve tessellation distance under the Edit Profile Style - Design tab, but it doesn't smooth it out. What am I missing here. I don't have this problem in other drawings and I'm using the same template/drawing settings.
View 2 Replies View RelatedI am looking to create a grid to "Overlay" a topographical map in model space. Essentially this will be built on a seperate layer titled grid that can be turned on or off to essentially "toggle" it. What is the most efficient way to create a grid in autocad? As well as assure the proper scale. Say I want it to have 10 ft. by 10 ft. cells on a topographical map that has a scale of 1" = 50'.
View 9 Replies View RelatedI inserted a linked revit model which is the structure and i'm having trouble with two subjects:
- the linked revit model doesn't overlay the walls and other families;
- i would like to change the color of this model in order to have a better visualization, and also isolate it from the main model.
I am trying to create a tent structure (parabolic) shape. Essentially it is a rectangle with one corner out of plane.
View 2 Replies View Relatedwhat the 2D or 3D equation curve for a parabolic spiral, otherwise known as a Fermat's spiral would be? I have found this info but do not know how to apply it:
Fermat equation
Therefore in terms of the affine plane its equation is
The Fermat curve is non-singular and has genus
I have also found this: $r^{2}=a^{2} heta $
Please see image attached.
I have come up with a parabolic curve from a 'Sag Chart' program for calculating wire sag between Utility Poles. I now need to place this curve into my Profile that has the poles laid out in it. I need to make the curve Tangent at each attachment point between two poles. The best I can do as of now is eyeball it in there which will get me the sag distance pretty closly but as any Autocad user knows if it isnt exactly aligned it will drive you nuts. I made a rough sketch of what im trying to do.
View 9 Replies View RelatedI am having a problem with an overlay and widening C3D 2012 project. The sub assembly I have chosen is processing with the corridor datum surface cutting into the existing road surface, as would happen with a “milling” section (which I don’t want), I need it to overlay onto the existing surface only, with a nominal minimum thickness of 4” . I think this sub assembly is drawing the datum surface from the datum point of the widening on one side to the datum point of the widening on the other side, not sampling the "bottom" of the overlay surface.
See attached screen shot. Also attached are screen shots for some of the sub assembly and corridor parameters for my current settings. I am using the “overlaywidenmatchslope1” and “basicsideslopecutditch” subassemblies.
I have tried changing the sample point offsets and the insert point offsets without fixing this problem. I have not added any additional alignments for saw-cutting yet as I am trying to keep it simple until I get the assembly to process correctly with a fixed width.
I looked at trying the “overlaywidenmatchslope2” subassembly, but it is for non-crowned roads and would not work for this project. Are some of my parameters wrong? Is there another subassembly that I should be using?
I am currently using AutoCAD Civil 3D 2010 for surveying work and have been trying to figure out how to use part of an existing survey of land model. I have it in a layout (paper space) and used a viewport to get the section I am after but there are some changes in labeling and minor model modifications needed to make it a stand alone model and I do not want to modify the original model to make these changes. How can I take a section like I have in view port and make it into its own model with a different scale so the changes can be made and the original model is left in tact?
View 7 Replies View RelatedI have a project where I am removing existing asphalt pavement and overlaying new pavement. I am changing the existing profile and cross-slope to tie-in to the existing profile and cross-slope. know of a mill and overlay subassembly that will allow you to tie the edge to a profile or feature line?
View 9 Replies View RelatedWould be interested in a strategy for a varying depth overlay, i.e. where the overlay assembly follows a centerline design profile rather than a pavement depth up from existing grade. Then the trick would be for the software to calculate the asphalt volume between the new top surface and the existing roadway surface.
View 8 Replies View RelatedI am trying to overlay a large area,I have a design profile grade that I must use. I need the new edge of the overlay pavement to be 2" above the existing as long as the pavement cross slope is between 1% to 1.5% . If the slope goes above or below the min or max I need it to take the min or max. If I use the overlaymillandlevel2 I am unable to get it to use the overlay thickness since i am using a profile.
civil 3d 2011 with all service packs, Window 7
Intel E5630 @ 2.53GHz 2.53GHz
8 Gig Ram
I am overlaying and widening an existing road, however the assembly is not behaving as I would like it too. Here is the cross section below, the widening, overlay and day lighting portions appear correct, how the Datum surface is off.
DATUM SURFACE - The datum surface is not following the existing ground in between the two road widening pavement portions. You can see the datum surface as a red line connecting the two paved widening below the existing crown of the road. I would expect the datum surface to follow bottom links of the overlay as well up through the crown, but this is not the case.
EARTHWORKS CUT/FILL SURFACE - The earthworks surface shows that the area between the existing crown and the unexpected datum link is being calculated cut/fill (cut presumably) which it shouldn't be.
ASSEMBLY BEING USED: Perhaps I am misusing the subassemblies, or link codes need to be modified.
I'm looking to make an assembly to follow the crown of the existing roadway which is to be milled and overlayed. In addition to being milled and overlayed there will be a curb bumpout which will be full depth pavement. The roadway does not hold a constant crown at 2%, it varies which is why I would like it to mimic the existing roadway cross slope. What would be the best way to go about making an assembly to model this. I have attached an image so that you may get an idea of the situation. I have a curb gutter line which I would like the assembly to target in both width and elevation. The single slanted hatch is mill and overlay and the double slanted hatch is full depth pavement (widening).
C3D 2012
Win 7 x64
8 GB Ram
Quadro K4000
I'm very new to Civil 3D.I've been given original topography in a .dwg file and a .csv file of the same topography after some dirt work.My problem is when I import the .csv file the points don't overlay the original topography.
What I have done is added the .csv points to the original topography .dwg with the "Points From File" option.
CIvil 3D 2013 / My drawing opens in layout view and all model objects are appropriately coloured by layer. If I hit plot at this point, my colour dependent .ctb file works fine. However, once I swtich to model view, all my linework turns white and if I switch back to Layout view it remains white and plots each line with the weight assigned to the colour white.
View 2 Replies View RelatedI am trying to work on a previous file in my office, and when it opens on mycomputer, it does not display as it should.
In general, the purpose of the project is to reinstate the side slopes of a road abutting a river. Cut & fill sections have been generated on 20m station increments along the road corridor/surfaces in order to calulate cut and fill as well as to reference the design to flood levels.
When I open the file, all of these sections (and there are alot) have relocated themselves to various locations in model space, none of which are aligned with the viewports that are being used for printing.
Could it be software and/or hardware incompatibility with the computer they were originally created on? (I believe it was created with C3D 2010, or C3D 2011 - I am currently running 2012)
I am using civil 2012 with windows 7 64 bit
I can navigate between layouts but when I try to go to the model it locks up and I have to reboot
So I have a topographic map on Civil 3D, is there a way to generate a 3D model of it?
View 3 Replies View RelatedI am trying to create a 3d model of a stockpile, i have the are at the bottom of the pile, and I have the height and area at the top, but there is a road going up to the top of the stockpile. how can I cut that road into my model? It twists around to the top its not a straight line.
View 1 Replies View RelatedApparently in 2012 and confirmed in 2013, the drawings listed in the Model Views tab are seemingly unsorted. It's certainly not sorted by date or by name, which makes it difficult at best to find a file by name.
Does any copy of 2008 or earlier that could check this out, since this post says it sorted alphabetically prior to 2009 (and as I recall, it did).Other references to this bug: URLs....
how to import a 3d model into Revit ?
View 3 Replies View RelatedI am attempting to x-ref a building model that was drawn in 2013 MEP in a Civil3D drawing that contains the site surface. When I x-ref my building model into the site drawing and attempt to align and scale the building some of my walls become broken and missing. I have a feeling this is a scaling issue because on my site my north wall should be 24' long. The wall is 24' long in MEP, but that same 24' from Civil3D is only a 2' line segment in MEP. How to remedy this? I have tried scale the building model down in MEP first and it causes all kinds of problems with the door and window objects. I tried adjusting the x-ref scale prior to adding the x-ref and it does the same thing.
View 9 Replies View RelatedI have made a 3D model of a frame for my work; when I try to add in the dimensions I cannot find the dimension between for example one horizontal line (in front view) and one vertical line. And sometimes when I manage to click on the two lines, it says "the lines are parallel".
View 1 Replies View Relatedconver a 2D picture into a 3D model in .CAD format? This model is used for lasering.
View 1 Replies View RelatedI clicked "Hide Model and Layout Tabs" to see what it would do, and now I can't get them back. Not only did I lose them in that drawing, I lost the tabs in EVERY drawing and EVERY version of C3D. I googled the problem and every forum says the same things, and I've tried them without success:
Options >> Display >> Layout elements >> Display Layout and Model Tabs
CUI >> Workspace Properties >> Model/Layout Tabs >> On
I'm lacking a couple of icons on the lower tray to the right of the Model/Paper button.
The baffling thing is that I've lost the tabs on ALL versions of C3D. Is there a magical command line entry that will bring back my beloved tabs?
HP DV7 Laptop
Intel Core i7-3820QM 3rd Generation Quad Core 2.7 GHZ CPU
16 GB DDR3 RAM ( 2 DIMM ) / 180 GB SSD
Nvidia GeForce 650M Graphics w/2 GB Memory
Windows 7 Professional 64 bit / AutoCAD Civil 3D 2014
How to generate a Digital Terrain Model - DTM GRID method in AutoCAD Civil 3D 2012 on the basis of X, Y, Z (saved in. Txt)?
View 9 Replies View RelatedI am using Civil3D 2012 and I am trying to create a 50'x50' grid in model space that automatically populates the N & E.
AutoCAD Civil 3D 2012 SP4
Windows 7 (64)
what structure to use to model yard inlet?
View 5 Replies View RelatedI'm having an issue with my Hydraflow model where the HGL and EGL drops suddenly to 0 in the upstream pipes. What might be causing this? Picture attached.
View 1 Replies View Related