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# Thread: Creating a solid tapered wall (with the ability to be reinforced) - Help

1. ## Creating a solid tapered wall (with the ability to be reinforced) - Help

Hey guys/girls,

I need to create a tapered structural wall. I did my research and found out how to create the shape using In Place-mass and the structural walls with "create by face". I was able to do this successfully, and the attached pictures show the result.
The issue I ran into is the following: These are construction drawings, so I need to be able to cut a cross section of this wall and show the reinforcement, which is placed on the outside face and inside face of the wall. So far, when I cut a section, it shows the middle part of the wall as a void, not as solid concrete. Is there a way to model this tapered wall as a fully solid structural wall?
Also, the wall has a box culvert which crosses through it, so I modeled the void in there already, as seen in the pictures.
Thank you for the help.

Alejandro.

2. Classify your model in place as Structural Foundation, and add a material parameter to the solids. In my opinion, this can be done with simple extrusions. No need to do it as a mass with walls by face. Then, specify "Concrete..." as your material, and then add the rebar.

3. Alfredo,
Thank you for the reply. I created the tapered wall as a structural foundation-slab, and it works perfectly since it is a solid wall and I am able to add rebar. Now I am just trying to create the void that goes through that same wall due to the culvert. The tools under structure > opening wont work, since they are meant for walls, roofs, and floors.
If I understood you correctly, I should be able to change the family type of the inplace mass I modeled (with a void) to structural foundation? Do I do this through "Edit in place", then properties?

4. Edit the existing Model-in Place Structural Foundation Element. Create a Void inside the existing solid. Finish the void, then Finish the Model in Place.

5. Worked perfectly. Muchas gracias Alfredo!

6. Originally Posted by aalver2
... Muchas gracias Alfredo!