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Thread: Diaphragm wall reinforcement and polystyren

  1. #1
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    Diaphragm wall reinforcement and polystyren

    Hello!I would like to create in Revit new family: reinforcement cage, which will be hosted in two elements: perimeter beam on the top of diaphragm wall and diaphragm wall itself.
    To better understanding please see two hand drawings I've prepared: https://www.dropbox.com/sh/bz8ii86q9...tLr5YSLfa?dl=0

    1. I would like to show that reinforcement cage only with basic dimension for the beginning. As you can see on first drawing it will be just cuboid with fixed 5mm distance from top of the beam and usually also fixed c=7.5mm. It will be great if I can show in plan and in view/section text (label?) which will be generated using previously given dimensions (green text): K_Width/Length. I don't need to see that in 3D view.
    2. In second picture you can see my need to add polystyren pieces in each of wall reinforcement exactly in the places where slab will join walls. However, slab is not a part of the project and the height and position will be given by architects. Polystyren is used to uncover reinforcement to make it possible to connect slab reinforcement with wall reinforcement. It consists two pices: 5mm & 3mm. First is based in the center of the "c" value (mentioned above), the second one just after main bar in reinforcement - although the position in that plane is not very important.

    I would like to see polystyren in 3D view and in View/Section as it is drawn. Absolutely I don't need it in plan view.
    Please help me with those two questions.
    In future I am thinking about drawing reinforcement for whole wall reinfocement in Revit. What do you think about it? Is it possible? Should I look for some more sofisticated tools or plug-ins like Sofistik?

    In my opinion polystyren should by family created by the mean of line, because it's obviously not always straight (i.e. ramps). On the other hand I would like that polystyren to move exactly as diaphgram wall reinforcement... Anyone has any ideas?

    Best regards.
    Diaphragm wall reinforcement and polystyren-2015-08-03-11.14.35.jpgDiaphragm wall reinforcement and polystyren-2015-08-03-11.14.28.jpg

  2. #2
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    Any ideas, please?

  3. #3
    Member byk3bep's Avatar
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    If you only need to show this as a detail in 3D there is no need to use rebar, meaning you can make a generic (or other) model to illustrate the detail before the concrete is pored in place and the pieces are connected.

    The structure that is to be built should not have the that polystyrene, since it is not gonna be a part of it. I would say MUST not have the polystyrene in that place.

    Model the structure as it is gonna be when it's done, and have separate families to illustrate the details. Place the rebar or not... up to you

    anyway, that's my 2cents... hope it helps

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    @byk3bep, thank you for the answer (that's the only one and I had open that topic at three forums...)

    Yes, I need to show this as a detail in 3D, then also in plan views. Could you please be more specific how I can do that? Tutorial or similar problem would be great.

    The structure (reinforcement cage) is poured into concrete with that polystyren, so for me it is a part of it. I need this only in views, because workers inside excavation should have an idea where they must to look for polystyren. Then they will just cut the concrete in that specific area and get a possibility to connect reinforcement from slab to diaphragm wall reinforcement.

  5. #5
    Member Darius's Avatar
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    1. I would make it as 2 different wall families one with polystyren and one with out
    2. align and lock the 3 different pieces of wall together so they move as one element
    3. the rebar cage needs to made after the wall by placing the rebar in the structural elements of the wall
    4. rebar can be a real drain on computer resource depending on how much you are planning to put in your model

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    @Darius, thank you for the answer.

    1. As far as I understand you will make reinforcement cage (which I need only as a bounding box - at first) as wall family - and in similar way you will manage to create polystyren?
    2. How can I align reinforcement cage or even polystyren to move the same as wall if they don't have any same lines?
    3. correct
    4. I will do just one rebar - to see how much time do I need to complete that task - the same I will do with capping beam. It is all for the needs of master thesis.

    Regards!

  7. #7
    Member Darius's Avatar
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    1. rebar is hosted in a wall and will always move with the wall that it is hosted in
    2. make the polysyren as a wall family as well ( i hope there is not just a gap all the way around the polystyren u could just make that a airgap in the polystyren wall family ) at some point it has to be touching the elements that are concrete align it to those
    4. making the rebar should not be an issue its more a model size and performance of the model that can become problematic

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