BEAMCOL9.xls
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 Description:

"BEAMCOL9" is a spreadsheet program written in MSExcel for the purpose of analysis and code checking of steel beams and columns. Specifically, beams and columns are analyzed / code checked per the AISC 9th Edition Allowable Stress Design (ASD) Manual. Both actual and allowable stresses are computed, with the final result being a computed "stress ratio" of actual stress/allowable stress. Also, a list of the lightest weight members which satisfy the code check is displayed for convenience.
This program is a workbook consisting of six (6) worksheets, described as follows:
 Doc  Documentation sheet
 BeamCol(I)  Analysis / Code Check for W, S, M, and HP Shapes
 BeamCol(BuiltUp)  Analysis / Code Check for NonDatabase and BuiltUp Shapes
 BeamCol(C)  Analysis / Code Check for Channel Shapes
 BeamCol(Tube)  Analysis / Code Check for Rectangular HSS (Tube) Shapes
 BeamCol(Pipe)  Analysis / Code Check for Round HSS and Pipe Shapes
Program Assumptions and Limitations:
1. This program follows the procedures and guidelines of the AISC 9th Edition Allowable Stress (ASD) Manual (1989).
2. This program uses the database of member dimensions and section properties from the "AISC Shapes Database", Version 3.0 (2001) as well as the AISC 9th Edition (ASD) Manual (1989).
3. The "BeamCol(BuiltUp)" worksheet is valid for AISC W, S, M, and HP shapes NOT contained in the AISC 9th Edition Manual, as well as for nonhybird and doublysymmetrical ("I" shaped) builtup members which have their flanges continuously welded to the web and which DO NOT quailify as plate girders.(Note: the AISC Code limiting value on the web for builtup beams not to qualify as plate girders is as follows:
(d2*tf)/tw <= 760/SQRT(0.60*Fy)
4. This program is NOT valid for tees (WT shapes) and angles.
5. In this program for members subjected to known loadings consisting of axial load (compression or tension) and/or uniaxial or biaxial bending, both the actual and allowable stress are computed, with the final result being a computed "stress ratio" of actual stress/allowable stress.
6. The "BeamCol(BuiltUp)" worksheet will require the input for the total depth, web thickness, flange width, and flange thickness. Then, all the remaining section properties are automatically calculated, assuming straight,nonsloping flanges.
7. This program utilizes an "Allowable Stress Increase Factor" (ASIF) which is a multiplier of any of the calculated allowable stresses Fa, Fbx, and Fby and also the Euler column buckling stresses F'ex and F'ey. It is used and appears ONLY in the stress ratio calculation. Typically a value of 1.0 may be used. However, a value of 1.333 may be used for load combinations which include wind or seismic loads.
8. If an axially loaded compression member has a value of the maximum slenderness ratio K*L*12/r >200, then a message will appear. However, this program DOES NOT consider or deem a particular member as "inadequate" based on the slenderness ratio of 200 being exceeded.
9. For the case of combined axial compression with bending, if the calculated value of fa >=F'e (which is not allowed) then a warning (error!) message will appear.
10. When the values of either 'Lx', 'Ly', or 'Lb' are input = 0' (or actually <= 1.0'), this program will use a value = 1.0'.
11. When a stiffened element (web) of a member subjected to axial compression is classified as a "slender" element (exceeding noncompact limits) based on local buckling criteria, then the program complies with AISC Appendix B.
12. In the "BeamCol(C)" worksheet for channels subjected to Yaxis bending, the properties database uses the minimum value of 'Sy'. However, it is desired to calculate the bending stress at the back of the channel instead of at the tips of the flanges, this may be done by computing a "reduced effective" Yaxis bending moment, Mye = My*Sy*(xbar)/Iy , for member loading input.
13. The values of 'Cb', 'Cmx', 'Cmy', 'Kx, and 'Ky' may be calculated (if applicable) by accessing the additional input data to the right of the main page in each of the calculation worksheets. Then, these calculated values can be input under the member design parameters on the main page. (Note: there are equations which very closely approximate the solutions for 'Kx' and 'Ky' obtained using the AISC Code Alignment Charts.)
14. This program does not calculate or check shear or deflection in member
15. This program does not consider torsion on member.
16. This program does not consider deduction for holes in members subjected to tension.
17. This program contains numerous “comment boxes” which contain a wide variety of information including explanations of input or output items, equations used, data tables, etc. (Note: presence of a “comment box” is denoted by a “red triangle” in the upper righthand corner of a cell. Merely move the mouse pointer to the desired cell to view the contents of that particular "comment box".)
Calculation Reference
AISC
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Check the version history to see how this calculation has changed over time. Use the Subscribe button to receive an automatic email should this calculation be updated to a higher version. Use the Favourite button so you can easily find this calculation in the future.  Submitted On:
 19 Oct 2016
 Submitted By:
 ATomanovich
 File Date:
 19 Oct 2016
 File Author:
 Alex Tomanovich
 File Version:
 3.6
 File Size:
 901.00 Kb
 File Type:
 xls
 Downloads:
 1175
 Rating:
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Comments
Understood and thanks again.
Sorry about the error in Mx & My
Cheers
The 'BEAMCOL9.xls' spreadsheet does not calculate the design loadings, P, Mx, and My, for you. You must predetermine those values.
If a computer model was made of the structure, then the axial force (P) and the moments for the member in question can be taken from the model. However, most computer analysis programs can perform their own stress code checks.
If there is no computer model analysis and if the loads on the member are known, then the moments can be calculated using my 'BEAMANAL.xls' spreadsheet.
I'm not sure how much more I can add to this discussion. My spreadsheets are merely 'tools' to be used wisely by structural engineers.
Alex
The box I am having a problem with is under
"MEMBER LOADING:
P= UNDERSTOOD THIS IS THE LOAD ON THE COLUMN
Mx = Not sure how to get the info for input It asks for ftkips
Mx = Not sure how to get the info for input. It asks for ftkips
mofsubic,
I'm not really clear on exactly what you are asking? It's pretty straight forward. The spreadsheet input requires the predetermined member loadings as well as unbraced lengths, etc., and then a stress code check is performed, resulting in a stress ratio (S.R.).
The numerous comment boxes will display the AISC 9th Edition Manual equations and rationale that the spreadsheet uses in dealing with axial compression load as well as major and minor axis bending moments.
Alex
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