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Modeling
About Archicad's design tools, element connections, modeling concepts, etc.

Wall and Slab Intersection in Section

Anonymous
Not applicable
How can I make a Wall and a Slab intersect properly in section?

I made a compposite wall and a composite slab with the same priorities and fills and I have "Enable Skin Priorities" switched on.

In the section window they intersect proprly only when the Slab touches the Wall. When the Slab touches the inner Composite's line they do not intersect at all!

Walll & Slab intersection.jpg
36 REPLIES 36
Laszlo Nagy
Community Admin
Community Admin
No attachment attached.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
Anonymous
Not applicable
So I see
I'll try again
Laszlo Nagy
Community Admin
Community Admin
I guess your illustration is different from what Kliment is trying to achieve.
He has addition skins ABOVE the Slab's structure which he wants to not cut into the Wall. This is not possible to do right now, as far as I know.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
Anonymous
Not applicable
How about this
I promise only a wall and a slab
Laszlo Nagy
Community Admin
Community Admin
How is that accomplished?
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
Anonymous
Not applicable
The wall is a complex, it finishes at the underside of the concrete part of the slab and has a return to the inside face of the wall and has another wall below. You can see the slightly different background fill colour of the concrete. The wall is brought to the front so the other wall fills hide the top and bottom finishes of the slab
So the return (horizontal) part of the wall visually joins with the slab
Laszlo Nagy
Community Admin
Community Admin
Now I am confused, because I do not know how many Walls are there.
So, a couple of questions:
1. The Walls are single-story or multi-story (I guess single-story). Maybe you could number the Walls for us.
2. Is there one Wall or two Walls on one story on the attached picture?
3. Does the body of the Slab reach into the masonry Wall?
4. Is any of the Walls SEO-subtracted by the Slab?
5. Is the Slab SEO-subtracted by any of the Walls?
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
Anonymous
Not applicable
1. The Walls are single-story or multi-story (I guess single-story). Maybe you could number the Walls for us.
See new picture
2. Is there one Wall or two Walls on one story on the attached picture?
One
3. Does the body of the Slab reach into the masonry Wall?
Yes
4. Is any of the Walls SEO-subtracted by the Slab?
No
5. Is the Slab SEO-subtracted by any of the Walls?
No

The walls are in front of the slab... I have moved the walls apart vertically for the picture
join3.gif
Laszlo Nagy
Community Admin
Community Admin
Hm, interesting solution, but it works.
Now, there is only one question left: what if the outer edge of the Slab aligns with the outer edge of the structure of the Wall. This is a situation I encounter often. I will not to do it that way because I need to export the Slab contour to the structural consultant.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
Anonymous
Not applicable
Laszlo
Now you're really testing me
give me 5 mins