The third volume in a series on concrete member design and technology is concerned with the stability of single columns and frames consisting of columns and beams for which design procedures are required. The following sections discuss design aspects in detail: (1) buckling limit state-fundamentals; (2) detailed procedures for columns; (3) particular problems; (4) frame analysis; and, (5) design of slender structures according to the model column method. Appendices cover the finite difference method of analysis; a computer program for the model column method; moment capacity tables and diagrams; and, coefficients defining the value and position of the parabola-rectangle compression diagram. /TRRL/
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I just wrote some small simple programs in Matlab to calculate and graph the P-M-M curves for a rectangular column subjected to axial force & biaxial bending moments. The design code is Canadian CSA A23.3-04 concrete design. However, it can be readily modified to suit other codes. The prog can draw a series of 3D P-M-M curves (and a 3D surface plot) according to a specified range of angles (i.e. direction of biaxial moment measured against x-axis). You can change column dimensions (Hx, Hy), concrete strength (fc), number of longitudinal bars (Nb = 4, 8, 12, 16....)...or specify a range of angles (at least 3; ex: THETA = 0:pi/16:2*pi or THETA = -pi/2:pi/16:pi/2...) to test it out.
the link below is for the Matlab zip file (colPMMcurves.zip); unzip 4 files into a folder. Run Matlab R2010a and set the above folder as current working folder. From the folder, double-click RcolPM3D_2 (this one is the main script, the other are just functions) to start it. Enjoy! (another prog for circular columns is also available)
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Autodesk Spreadsheet Calculator 2013 for RSA Pro 2013
Size: 157 MB
Robot Extensions Spreadsheet Calculator Add-in.
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IMPORTANT NOTICE: You may use this software for evaluation purposes only.
If you like it, it is strongly suggested you buy it to support the developers.
By any means you may not use this software to make money or use it for commercial purpose.
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Posted by: raffah - 09-06-2012, 10:09 AM - Forum: Archive
- No Replies
Hello everyone,
Does any of you have the following paper:
"Detection on collapse of a box-culvert and analysis on its causation"
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Dear members
During installation, the softwares create, change alot of files/folders, modifies registry etc.
Is there any sure way of capturing this process, in other words the log file.
Thanks for your time
Dear friends
I need these papers, please share:
Thanks in advance
1. Effect of Weld on Axial Buckling of Cylindrical Shells
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2. Stability Analysis of Floating-Roof Tanks under Differential Settlement
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3. Dynamic Response Analysis of Vertical Cylindrical Storage Tanks Based on ADINA
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4. Study on Damage Performance of Oil Storage Tank in the Basis of Modal Test and FEA
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5. Buckling Analysis of a Super-Large Storage Tank
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6. Seismic Response Analysis of Large Liquid Storage Tank Considering Fluid-Structure Interaction
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