AutoCad 3D :: Modeling A Precast Concrete Tank
Jan 17, 2013
I have been trying to draw a precast concrete tank and have run into a problem. The tank walls are not constant thickness. At the bottom they are 3.5" thick and taper to 3" thick at the top. Also, the top dimensions of the tank are longer and wider than the bottom dimensions of the tank. My solution has been to draw the outside bottom as a rectangle and offset the rectangle by 3.5". Then repeat this for the top dimensions, set the top two rectangles at the correct elevation and loft them. Then, I press-pull the center out of the tank. This results in a quasi-correct representation of the outside tank but the wall thickness does not taper correctly and the walls are hollow.
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Mar 20, 2012
I have modeled a tank(storage) and i need to show some of the piping that is inside the tank. I tried removing some faces and extruding the edges, then some beveling, to show some thickness but that really messes up the smoothing around the hole. Is there a better way to do this to maintain the smoothness?
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Jul 16, 2012
I am using AutoCAD 2012 and I noticed that the dish/dome command is gone. How do I make a dish?
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Aug 6, 2013
I have to design 35m dia panel tank (water storage), the shell, roof all design i done. How to design foundation of tank?.
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Mar 2, 2013
I have been able to draw the precast concrete tanks I needed. I drew several models and saved them as WBLOCKS to insert in new drawings. The problem is that I don't seem to be able to select a particular face of the tank upon which I want to align the UCS. What am I missing with regard to blocks and UCS alignment?
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Jun 1, 2012
Is there a way to use the Split Solid tool to partially split a circle and have multiple solids after.
Ex) I would like to cut the tank at the 180 and 270 deg marks. Using the split tool still cuts through 0 and 90. I tried drawing a line from a top view that started from center going through 180, but it still goes through 0 as well.
I've attached an example shell of where I would like to have 6 solids after.
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Dec 27, 2012
I had a chance to use the old StormNet software extensively in my previous company. This is my first time that I'm using it under AutoDesk. It appears to work similarly. So now I'm trying to model a small but a bit of a complex system.
I have a modeling scenario where I have a storage tank with two orifices. The first orifice outlets to a 10 inch diameter pipe which eventually outfalls into a stormwater treatment area. This area will allow ponding. Due to site topography a portion of this pipe run will be pressurized with the outlet set just low enough below the 1st orifice elevation at the tank. The second orifice outlets to a 12 inch diameter pipe which connects to the underground storm drain system via gravity. This second pipe run will only take on water that exceeds the capacity of the first. With this scenario I have a few questions:
1. In trying to model the bolted rims to make the portion of the system to work as a pressurized system, my understanding is that I have to set the surcharge elevation (at the junction) high enough above the max rim elevation. I have set up the surcharge elevation high enough, trying different elevations and the max water elevation in all cases is exceeding the max rim elevation.
2. My storage tank is a close tank. Is there a way to ensure that is modeled as such or does the program assume is a storage node such as a detention pond?
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Dec 28, 2013
how to create water flow inside inventor , i have a tank i want to fill with water & water then will flow through a pipe of certain diameter & length
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Feb 3, 2014
I have a .psd picture of a tank and try to animate it in AE by rotating its wheels and tread (or track?). The only solution i have come up with is to slightly change tread layer's x and y positions in every frame, making it to vibrate. However it does not create rotation illusion which i'm after - the tread vibrates, but doeas not revolves around the wheels. If there are other solutions to make tread layer rotate around tank's wheels, i would be glad to hear about them. All 7 tank's wheels are separate layers and the tread layer is above them. The rest of the tank's layer is above tread layer
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Apr 19, 2013
What is the concrete specification that need included in the drawing?
Send me the template if can..
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Jun 13, 2011
I am working on some detail drawings. To save time, I simply modify the previous drawings. However, when i need to adjust the height of, for example, a window, by stretching or pulling, none can have the hatched area lengthened or reduced. In ''quick properties", the associative is not applicable if i change it from N-->Y. I'm wondering if i am doing any step wrong.
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Nov 9, 2012
I was having trouble importing the surface of my canoe into SAP 2000.
Attached is my canoe surface,
I read that SAP 2000 accepts autocad surfaces, so this should work
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Jun 21, 2011
I wonder how do you create a concrete construction under the stairs?
The way ACA creates stairs looks like just a top layer (tiles or wood panels), but I want to put those tiles on a concrete construction.
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Dec 9, 2013
I have been asked to do volume calculations using Civil 3D for some concrete piles for a oil/survey company. I have done volume calculations for site and land development projects but nothing to do with concrete piles before. It also appears I am the only person with any Civil 3D back ground in the office. I did mention my experience with Civil 3D was limited but I was trying to expand it by looking for Civil 3D jobs and working through the 2012 Mastering AutoCAD Civil 3D book.
I am assuming doing volume calculations for concrete piles is quite different from doing volume calculations for grading plans. The company has been primary using AutoCAD Maps and doesn't have much set up for AutoCAD Civil 3D yet.
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Nov 25, 2013
I'd like to hatch a parcel with the concrete pattern but it shows broken. I know I could relocate the origin for a polygon hatch but is there a fix for using in a parcel?
Joseph D. Bouza, P.E. (one of 'THOSE' People) Civil 3D 2012 & 2013
HP Z210 Workstation
Intel Xeon CPU E31240 @ 3.30 Hz
12 GB Ram
Note: Its all Resistentialism, so keep calm and carry on
64 Bit Win7 OS
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Apr 3, 2013
i have a historic residence i am working on and was wanting to sharpen my modelling skills a bit, but i have a fancy concrete baluster and i do not know how to model it. i would imagine create a profile as a pline and then array it around a center point, but does this make it a 3d model of just 2d items rotated around a 3d point.
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Feb 13, 2013
Just a question about pressure pipe networks in 2013. Is there concrete pressure pipes in the part family, including concrete bends?
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May 11, 2011
I have this part that need to be extrude along a complex path. However, every time i try this the bottom of the part does not stay parallel the the x-axis.
Here is the drawing:
Curved Stair.dwg
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Jun 6, 2013
Is it possible to put Reveals in concrete columns?
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Oct 25, 2012
I've had a request from on of our users to replicate something that has been done for years in 2D CAD. They want a marker to show changes in floor levels that look something like this:-
The annotation needs to be able to read the slab on either side of the step marker and hopefully if possible the difference be represented as text. The datum levels are secondary and it is really the depth of the step that seems to be more important. I do however want to avoid these being just dumb text as if/when the design evolves someone will forget to modify the text.
Here is an example of a few showing two steps in the slab and the results we would want.
I have tried loading/nesting a standard spot level in thinking if I had two in an annotation that this might work, but I was unable to even place a spot marker within the family which makes some sense I suppose.
Is this even technically possible...? I realize the origin usually determines what hosts the family and how, but I guess we are looking for something with a double origin, which is why I think this may not be possible...?
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Nov 21, 2011
What's the best way to create tilt up concrete panels? In the screen grab bellow, I used an extrusion, gave it concrete material, and left a 10mm gap between each panel to create that illusion.
Can this be done as a wall, if so how do I add those gaps/voids?
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Apr 15, 2013
Is there any way to replicate this skin of solid glass spheres hardened into concrete in the form of a panel of some sort?
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Mar 6, 2014
How do I insert, or what Family do I insert Concrete Unit Masonry? I have CMU piers for my foundation.
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Apr 1, 2013
I am looking to create an irregular concrete slab, with barrel vaulted ceilings on a small radial section of a circular slab, and a a parabolically curved upper section to the slab, and a large punched hole in the middle of the slab. To this point, I have been able to achieve this using multiple components and masses, but I was wondering if there was a way to make a single object with a single solid material that may be able to achieve the same effect. I have attached a section for ease of explanation.
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Jun 28, 2011
I have created my model, and have placed the floor assembly in. It is concrete and I see the concrete pattern on the floor. How do I hide or turn that off? I cannot find anything in Visibility Graphics or in the actual floor family...
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Mar 1, 2012
What's the best way to model a concrete beam that has the fireproofing in it?
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Nov 16, 2012
As CAD administrator at my company, which is in the process of implementing Inventor/Vault, I am quite sold on the Layout Modeling/Multi-body part modeling functionality that Inventor supports. Among other things I believe there is a large payoff in assembly stability and simplicity. However, this workflow is very different from the conventional methods of modeling individual parts and manually constraining assemblies. URLs....
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Jan 19, 2014
How can i draw column like this >>
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Jul 27, 2012
How to use a 6" concrete curb under exterior walls for California schools? are you using a stacked wall, and if so how do you get the exterior finish to cover up the concrete curb. Or if you are using basic walls stacked upon one another, I seem to have trouble getting my wall joins to look correct in plan.
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Aug 29, 2012
Is there a quick way of profiling topography under a undulating concrete floor slab? In other words so that the topography follows the underside surface of the slab. I know this is possible by adjusting each point on the topo surface but is there a quicker way?
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Aug 6, 2012
In floor plan view how do I make a wall have a concrete texture inside instead of the default (criss cross)?
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