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Mass in AC

Karol Argasinski
Enthusiast
Dear All,

I would like to know if it's possible for ArchiCAD to get mass of objects such as walls, slabs automatically for AC and IFC sake?

Kind regards,
Karol
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ArchiCAD 22/23/24/25/26/27 INT &POL

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4 REPLIES 4
Laszlo Nagy
Community Admin
Community Admin
Can you tell us exactly what are you planning to use it for, what is the scenario?
It is possible to create Element Properties in the Property Manager, and the Property can return the Volume of the element it is assigned to (Wall, Slab, etc.). Is this what you are after?
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Karol Argasinski
Enthusiast
Hi Laszlo, thank you for response,

I know I can use volume, but I was thinking about mass as a weight-measure. I know that 3D objects are empty, they do not contain "insides". But can I add some kind of parameter which will be read in IFC as weight/mass of the object for example.

Kind regards,
Karol
OPENBIM does works!
ArchiCAD 22/23/24/25/26/27 INT &POL

AMD Ryzen 7 3700X, 128GB RAM, GeForce RTX 3070, Windows 11 Pro
MBP 14 M1 Max 10C 32GB
http://www.bimfaktoria.pl/
Barry Kelly
Moderator
Building materials have a value for 'Density kg/m³' which you can adjust.
This can be schedule but it s still not quite what you are after.
You can schedule the volumes and the density, but you can not multiply them to get the mass.

You would have to create a property object that could read the density value of each skin (building material) and then multiply it (expressions in properties) by the volume of that skin to give you the total mass.
I am not sure if this is possible as I have not tried it myself.
I am not sure if you can get the density value of a building material via properties.

If not you could add a total 'density' property to each wall and then use an expression to calculate a property for the 'density x volume' of the entire wall (rather than each skin).
You would have to manually add the correct density value to each wall You can create a default value in the properties that will be applied to all walls and can be altered for each wall) or create another expression in properties that could set the value base on the composite name of the wall - assuming you have a very regimented list of walls that you use and you don't just make them up as you go.

Barry.
One of the forum moderators.
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Karol Argasinski
Enthusiast
Hi Guys,

The thing is in BIMCollab, I have those values already measured "on start", from IFC. If we have this PSet in AC, can we just put it into our schedule?
OPENBIM does works!
ArchiCAD 22/23/24/25/26/27 INT &POL

AMD Ryzen 7 3700X, 128GB RAM, GeForce RTX 3070, Windows 11 Pro
MBP 14 M1 Max 10C 32GB
http://www.bimfaktoria.pl/