This post features:
the PyXLL add-on
Jupyter
the PySimpleGUI graphical interface
Category: AISC
Easy Section Properties for Array of Points © Oct 2022
Based on finite calculus
AISC bolt holes Aug 2022
This code illustrates the readability of Python.
Compare reading the text of AISC 15th Edition Manual, Section J3 to the program statements.
PyXLL to Jupyter Interface (with video) Dec 2020
This example is an actual serious structural engineering calculation with graphical documentation.
PyXLL Custom Task Panes in Excel (with automated drawings and video) Nov 2020
The PyXLL/Jupyter interface would be drab without custom menus and graphical feedback.

Multi-Page Apps using Dash/PythonAnywhere Apr 2020
I built these apps on the web — accessible from any device – desktop, phone, iPad
· AISC Strong Axis Bending
· AISC Filtered Shape Properties
· Coefficient C for Bolt Groups
· WT Strut Capacity (eccentrically loaded)

WT Braces Mar 2020
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.

Hyatt Regency Walkway Collapse
The Hyatt had been built just a few years before, during a nationwide pattern of fast-tracked large construction with reduced oversight and major failures. Its roof had partially collapsed during construction, and the ill-conceived skywalk design progressively degraded due to a miscommunication loop of corporate neglect and irresponsibility.
Yield Line Theory — Rotation Angles Feb 2020

Single angle braces vs WT braces Feb 2020
Because I prefer the simplicity of using a single angle brace, I prepared a general calculation set demonstrating a few use cases.
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