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"BEAMCOL9" is a spreadsheet program written in MS-Excel 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(Built-Up) - Analysis / Code Check for Non-Database and Built-Up 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
All the worksheets are independent and self contained, so that you can move them from one workbook to another. All the worksheets are protected, but not with a password.

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(Built-Up)" worksheet is valid for AISC W, S, M, and HP shapes NOT contained in the AISC 9th Edition Manual, as well as for non-hybird and doubly-symmetrical ("I" shaped) built-up 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 built-up beams not to qualify as plate girders is as follows:
     (d-2*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(Built-Up)" 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,non-sloping 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 non-compact limits) based on local buckling criteria, then the program complies with AISC Appendix B.

12. In the "BeamCol(C)" worksheet for channels subjected to Y-axis 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" Y-axis 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 right-hand 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 | Find on | Find on | Find on | Find on | Find on |

Submitted By:
Alex Tomanovich (ATomanovich)
Submitted On:
19 Oct 2016
File Size:
901.00 Kb
File Version:
File Author:
Alex Tomanovich
Total Votes:21
Comments: 19
javed.muhammad 7 days ago
I would like to join the group and access the document please
adeaustralia 11 months ago
any chance SI units for this calc
ATomanovich 3 years ago
In the "BEAMCOL9.xls" spreadsheet workbook it was discovered that in the "BeamCol(C)" worksheet for analysis of C-shaped members, the program logic was not correctly set up to make use the transition equation (AISC 9th Edition Eqn. F2-2) when applicable for determining the allowable minor axis bending stress (Fby) between a maximum value of 0.75*Fy and a minimum value of 0.6*Fy depending on the bf/tf ratio. The rationale/logic described in the comment box in Cell H33 was correctly depicted, but the programming logic was not correct, which would have produced conservative results by deferring to a value of Fby = 0.60*Fy.
This has been corrected and the version number of this workbook is now 3.6.
I know that we have long moved on from the AISC 9th Manual ("green book") that most of us "old timers" have clung on to tightly for so long. However, I'm aware that because of familiarity many of us still fall back on it for quick cross-checks and preliminary/estimate engineering, and thus I will continue to support it in the form of updates to spreadsheets if/when required.
mofsubic 5 years ago
Dear Alex:
Understood and thanks again.
Sorry about the error in Mx & My
ATomanovich 5 years ago

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.
mofsubic 5 years ago
Sorry for the confusion:
The box I am having a problem with is under
Mx = Not sure how to get the info for input It asks for ft-kips
Mx = Not sure how to get the info for input. It asks for ft-kips
ATomanovich 5 years ago

I'm not really clear on exactly what you are asking? It's pretty straight forward. The spreadsheet input requires the pre-determined 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.
mofsubic 5 years ago
Mx is the applied flexural bending moment.
Can you please explain how to calculate when the beam is a W8x31 and is Ly & Lb are both 10.34 ft I am using using 0.382 for both member loading Mx & My.
hienngocloveyou 8 years ago
After I used, benefited, and enjoyed your spreadsheets, finally I found the time to say, Thank you.
JohnDoyle[Admin] 8 years ago
You need an XLC Pro subscription to download from the repository. This can paid for or [url=]awarded for free if you donate a calculation to the site[/url]. It is all explained on the [url=]subscription plans page[/url].
Abuawais 8 years ago
How can these file be downloaded?
brucewils 9 years ago
brucewils 9 years ago
ATomanovich 10 years ago
Have you by chance been working on an update to your BEAMCOL9 for AISC 13th edition? I ask because I have been slowly updating your spreadsheet to AISC 13th edition as I need it and have time. If you would like, I can upload it to the site when I am complete. I thought it would help you out a little and be something everyone would find useful. However, I wanted to approve it with you first since this is still your original spreadsheet and you might be already working on an update.
By the way, [i]thank you very much[/i] for all of your work on the many spreadsheets and for generously posting them for all of us to use. I have found them useful on many occasions.
ATomanovich 10 years ago
After all of these years in working on very my first all metric units project (haven't I been fortunate) the past several months, we in the group have been making use of the "BEAMCOL9.xls", "BMREINF9.xls", and BASEPLT9.xls" spreadsheet workbooks. We also have been working with structural steel with a de-rated yield stress value. Thus, I removed the input data validation pick boxes which originally limited the user to specific values of 'Fy', 33 (old steel), 36, and 50 ksi. I also added the "ROUND" command to the sketches which displayed the member dimensions, to truncate the display of the member dimensions (d, tw, bf, and tf) in case they were converted by formula from metric to English. I merely wanted to make these workbooks a bit more "friendly" toward metric units usage.
By the way for us ASD 9th Edition "die-hards", the "BeamCol(Built-Up)" worksheet is a useful tool for doing AISC Code checks using metric shapes, in that all you need to do is enter a formula in the input cells for each of the dimensions (d, tw, bf, and tf) in millimeters divided by 25.4, and the worksheet will automatically calculate all of the properties for you. Keep in mind that the "fillets" of the member are not considered, so the calculated properties will be very close approximations.
trungnm 10 years ago
Thank you very much !
trungnm 10 years ago
Thank you very much !
MSH 10 years ago
After I used, benefited, and enjoyed your spreadsheets, finally I found the time to say, Thank you.
MSH 10 years ago
After I used, benefited, and enjoyed your spreadsheets, finally I found the time to say, Thank you.

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