Creating Slope

[Anonymous]

Does anyone know how to create slope using civil 3D?

Take a look at the picture; I want to make a slope after the building, which is from the cyan line. The location of the slope will be at the clouded area. I show a very simple example section on how slope looks like (see P1).

Is it possible to make it?

[Anonymous]

Yes, there are a lot of people on this Discussion Group who know how to create slope .

I would ask your project manager what the governing criteria is, e.g. what is the location/height allowed at the bottom of the slope, what is the allowable offset from the building, what batter heights & slopes and bench intervals & widths are allowed.

From here, you can create slope pretty easy, using either corridors (which looks like it would work better in this situation) or gradings.

Another thing that you will likely need is an existing surface to target your cut slope daylight. Do you have one?

Nathan

[Anonymous]

That is great. Yes, I have the existing surface. I show you another picture for the criteria. Do tell me if I miss some information.

[mathewkol]

To acheive that benched slope you should use a corridor because the grading criteria only create simple slopes.  Unfortunately this is a grading scenario, and gradings would generally be a better choice in these cases because you're going around tight corners in some cases, which cause problems when using corridors.  You can get around these problems, but it's just more for you to learn at that point.  There is a daylight subassembly called "DaylightBench" that should do the job.  If you have to ask how to create a corridor, you need to get some training or do the tutorials.

[Anonymous]

Yup, when I use the corridor function. It could not create the slopes properly, errors messages popped up all the time.

In short, you recommend me to use ‘grading function’? where can I possibly do the tutorial to learn up?

[Anonymous]

Try here.

Or here.

[mathewkol]

Actually, I said it was a grading scenario, I would rather use grading, but there are no stepped slopes within grading so corridors are basically the way to go, but you have to deal with the "bowties" manually.

[neilyj666]

and how much fun is that.....???

[mathewkol]

Not much fun at all neil, not much at all. But what can you do, he needs the benched daylight?

[neilyj666]

Agreed that a corridor would do the job - probably need to wait for C3D 2020 for gradings to cope with benches etc....

[Anonymous]

On second thought, gradings would do the job. It would just some trial and error to get it daylighting in the right places.

[Anonymous]

Nath, I am now going through the tutorial that you gave me.

I try and see how it goes. Thank you all guys.