Concrete Interaction Diagrams
Concrete Interaction Diagrams
(OP)
Hello all,
I just finished writing a design program to output PM curves for square or circular cross-sections with the option of square or circular voids in the center. Aside from the standard square sections in the PCI Handbook, does anybody know where I could obtain interaction diagrams from other programs or computations? I'd like to use them in validating my program's results. Either conventionally reinforced or prestressed would be helpful.
Thanks very much!
I just finished writing a design program to output PM curves for square or circular cross-sections with the option of square or circular voids in the center. Aside from the standard square sections in the PCI Handbook, does anybody know where I could obtain interaction diagrams from other programs or computations? I'd like to use them in validating my program's results. Either conventionally reinforced or prestressed would be helpful.
Thanks very much!






RE: Concrete Interaction Diagrams
RE: Concrete Interaction Diagrams
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Also more about the effect of the two different stress blocks here:
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It uses the Australian codes only at the moment, but the unfactored diagram should be very close to ACI.
For non-rectangular sections (including circular) the spreadsheet ULS Design Functions.xls
can be downloaded from here:
http://n
Doug Jenkins
Interactive Design Services
http://newtonexcelbach.wordpress.com/
RE: Concrete Interaction Diagrams
RE: Concrete Interaction Diagrams
http://www.imbsen.com/xtract.htm
RE: Concrete Interaction Diagrams
RE: Concrete Interaction Diagrams
I always suspected that you had issues.
Mike McCann
MMC Engineering
Motto: KISS
Motivation: Don't ask
RE: Concrete Interaction Diagrams
The RISA-3D program has detail reports which also report the P-M interaction diagram (although not with as much detail and control as the PCA program). RISA will do this for circular or rectangular columns. It won't work for complex geometries or voids. But, if you're looking for share ware or a "free demo" program I'm not sure you're going to find much that will work better for your testing than the RISA-3D Demo.
RE: Concrete Interaction Diagrams
I have tried to develop a spreadsheet with similar capabilities to the program that you're developing. I didn't get too far with the voids however. Can you share any information regarding the algorithms that you've used?
Thanks,
KootK
RE: Concrete Interaction Diagrams
http://n
Will handle circular and square sections with voids, or any other symmetrical section.
It is also free and open source, and it uses a closed form solution so is pretty quick.
Doug Jenkins
Interactive Design Services
http://newtonexcelbach.wordpress.com/