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 […]

ASCE 7-16 Ice Loading Apr 2018

Function get_iceweight, a function of … structural shape all kinds of structural shapes pipe, HSS, bar L, 2L, 2L spaced C, MC W, S, M, HP WT, ST, MT ‘basic’ ice thickness from ASCE map importance factor for ice function of height above grade topographic factor ice density Excel implementation … Self documentation for function […]

Using AISC Properties Oct 2017

Use the properties in Excel formulas   Let’s look at example calculations! These calculations consider concentrated loads on wide flange shapes. Watch the video — click ‘Formula Examples Video’.    Formula Examples Video   Still screenshots    Formula Example 1  Formula Example 2  Formula Example 3 Karl Hoitsma, P.E. (khoitsma)

Brom’s Method Sep 2017

Rigid Shaft Foundation Design User Input ______ Load Factors (Factor_vertical, Factor_lateral) ______ Foundation Geometry (Diameter, Height, Depth, Discounted Depth) ______ Soil Cohesion (Cu) ______ Design Guidance (Bearing?, Skin Friction?) ______ Allowable Bearing Stress ______ Allowable Factor of Safety Output ______ Bearing Stress Ratio ______ Skin Friction Ratio Karl Hoitsma, P.E. (khoitsma)