Sol-20 Jul 2020

The Sol-20 home computer, with an Intel 8080 (2 MHz, RAM 1 kB up to 64 kB max), as seen in 1977 at Interactive Computers Located at 7646 1/2 Dashwood In Houston, Texas From the wiki: ‘The design was originally suggested by Les Solomon, the editor of Popular Electronics. He asked Bob Marsh of Processor […]

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 […]