Screenshots Jupyter Interface — Input Jupyter Interface — Input — Alternate Jupyter Interface — Output Excel Input Output Jupyter Matplotlib Plot Named Ranges Pasted List Named Ranges in Excel Name Manager Interface in Action — Video
Category: AISC
PyXLL Custom Task Panes in Excel (with automated drawings and video)
Dialog Screenshots Generic Dialog AISC Dialog with to-scale cross section drawing Dialogs in Action — Video In the video, notice that the to-scale cross section drawing is updated as each AISC shape is selected.
Multi-Page Apps using Dash/PythonAnywhere Apr2020
AISC Strong Axis Bending https://khoitsma1.pythonanywhere.com/apps/app2 Replaces 45 pages in AISC 15th Manual Graphical and tabular data Change the shape selection (HP12, for instance) Hover over the chart data points AISC Filtered Shape Properties https://khoitsma1.pythonanywhere.com/apps/app3 All properties for a user’s selection (2L4X3X3/8X3/4SLBB , for instance) Just start typing 2L4 and the drop down will filter to […]
WT Braces Mar 2020
In the petrochemical business, it is quite common to see structural steel braces built from WT shapes. If you like Table 4-12 in the AISC 15th Edition, then you might like the attached example plots which I built on the same principle. AISC 15th Edition LRFD maximum axial capacities in kips; KL in feet Maximum […]
Hyatt Regency Walkway Collapse
Detailing matters! Original design vs Actual fabrication STRUCTURE Magazine August 2016
Yield Line Theory — Rotation Angles Feb 2020
In this post, I provide derivations for the rotation angles between planes. We have two formulas: An exact formula [Eq 1] An approximate (easy and sufficient) formula [Eq 2] My link to my calculations Link to Blodgett Example
Single angle braces vs WT braces Feb 2020
In the petrochemical business, it is quite common to see structural steel braces built from WT shapes. Because I prefer the simplicity of using a single angle brace, I prepared a general calculation set demonstrating a few use cases. Link to my single angle brace calculations
World Refining Magazine
A magazine article I wrote in 2002. Link to Reformer Design Article
Calculate Beta w for Single Angles Dec 2019
AISC v15.0 Shapes Database # NOTE # For enhanced readability and easier translation to other software, # exponents are indicated with the (mathematically) traditional caret symbol. # In Python, replace all carets with a double asterisk. # Get single angle properties a = np.arctan(my_angle.TANA) c = np.cos(a) s = np.sin(a) b = my_angle.B_LOWERCASE d = […]
Structural Property Calculator — Improved Dec 2019
# calc> ddet(..w8x31) # not case sensitive 8.0 # # On assignment, now, the calculator # returns __str__(object) # the string representation of the object # # Therefore, # On assignment of an AISC shape the calculator # returns __str__(shape) # the string representation of the shape # calc > a = ..w8x31 # not […]
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