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Create specific slopes in floor towards gutte

11 ANTWORTEN 11
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Nachricht 1 von 12
mairh_tsek
581 Aufrufe, 11 Antworten

Create specific slopes in floor towards gutte

Hello all,

 

I have some floors in which I want to give a specific slope (2%) towards gutters in order to place afterwards in the correct height the gutters. The problem is that the altitude of the points in each side of the floor change. The distance between the edge and the gutter also change. 

I try to adapt the altitude of the sub-elements but it takes a lot of time and there are also many triangulated surfaces that are created. 

 

Is there any way to do it faster ?

 

Thank you in advance!

11 ANTWORTEN 11
Nachricht 2 von 12
barthbradley
als Antwort auf: mairh_tsek

I don't know if this will work, so post your file. 

 

Basically, make the floor perfectly square, slope all sides towards the middle at 2%, and then cut the true floor shape from that floor.  That make sense? Probably not. Post the file.   

 

 

 

I'm thinking some variation on this approach: 

Slope to Center 1.pngSlope to Center 2.pngSlope to Center 3.png

Nachricht 3 von 12
ToanDN
als Antwort auf: mairh_tsek

- Draw a square/rectangle roof with the gutter as the centroid, then use shaft or vertical cut opening to shape the roof like @barthbradley has suggested

- Modify sub-elements and drop the lines around the gutter to create 2% slope

- Add points , lines and change their elevations to create secondary crickets should they be required

Nachricht 4 von 12
mairh_tsek
als Antwort auf: mairh_tsek

I wanted to avoid to modify the sub-elements because it takes a lot of time. 

The points at the edge of floor have differents values, so basically I need each time to calculate the altitude that I need to have in the gutter. 

Nachricht 5 von 12
barthbradley
als Antwort auf: mairh_tsek

Then use my method without shape-editing tools.   Just Define Slope of 4 sides.  Use a Roof. 

Nachricht 6 von 12
mairh_tsek
als Antwort auf: mairh_tsek

But if I define the slopes I will lose the altitudes in the edges. 

Nachricht 7 von 12
barthbradley
als Antwort auf: mairh_tsek

Post your file. 

Nachricht 8 von 12
ToanDN
als Antwort auf: mairh_tsek

Read the response more carefully. You only need to add more sub elements of you need secondary crickets. Otherwise you just need to lower the elevation of the gutter, not the edge.  And whether you use a flat roof or a sloped roof, draw it in a square or rectanglular shape and use vertical opening cut to shape it.

 

The defining elevation is at the gutter, the elevations at the edge are given the slope and the distances.  You don't have to calculate them. 

Nachricht 9 von 12
RDAOU
als Antwort auf: mairh_tsek


@mairh_tsek wrote:

I wanted to avoid to modify the sub-elements because it takes a lot of time. 

The points at the edge of floor have differents values, so basically I need each time to calculate the altitude that I need to have in the gutter. 


It is fairly easy and quick to do it using Sub Elements as the guys suggested and get the same result as per your image You just need to define the bays by adding 3 split lines (if you use either shaft or vertical opening tool to cut slab)

 

Floor SubElem.png

YOUTUBE | BIM | COMPUTATIONAL DESIGN | PARAMETRIC DESIGN | GENERATIVE DESIGN | VISUAL PROGRAMMING
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Nachricht 10 von 12
mairh_tsek
als Antwort auf: mairh_tsek

Sorry it is not clear.

My floor is curved so the center line of the floor should be also curved. I need to maintain the altitudes in edges (which are all differents).

1.How is it possible to create a curved split-line (in order to define the highest altitudes in the center)? 2. As the altitudes in the edge changes I need each time to calculate the sub-elements in the middle of the floor (and it takes a lot of time).

@RDAOU in your images the edges have the same altitude in my case not

 

I cannot post the file here,

thank you in advance!

 

Nachricht 11 von 12
RDAOU
als Antwort auf: mairh_tsek

@mairh_tsek 

 

The screenshot you have shared gave no indication that it is circular. Sorry if I missed that part if it was mentioned in earlier replies.

 

The purpose  adding split lines is to create isolated bays and control the slopes to falls within the isolated bay. If you do not use them (in Revit as well as on site) the result would be random tessellations. The split line doesn't need to be of a uniform elevation you can define its start and end to create a fixed slop with a defined % (notice the center line in the image I posted)

 

Using vertical openings helps in preventing small penetrations from interrupting the slope. Example: The below screenshot from your image. The points around this opening are neither required nor justified - both in Revit and in Reality when it comes to execution). If you want uniform sloped with reduced tessellations, you need to

  1. Use split lines
  2. Use Vertical openings/shafts for penetrations
  3. and be realistic  

 

121.png

 

How can a split line be added for a Radial/Circular slab? same way it is done when they execute  Screed to falls on site...it is never circular. Use an inscribed polygon

 

Without the actual case I believe I cannot add or demonstrate much more...good luck on your project

 

 

YOUTUBE | BIM | COMPUTATIONAL DESIGN | PARAMETRIC DESIGN | GENERATIVE DESIGN | VISUAL PROGRAMMING
If you find this reply helpful kindly hit the LIKE BUTTON and if applicable please ACCEPT AS SOLUTION


Nachricht 12 von 12
Mohamed-Nassar
als Antwort auf: mairh_tsek

slope it by line not by points it will be more faster

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Mohamed Nassar , ACP, Autodesk Ambassador Gold
BIM Support / Structure Modeler

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