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Category: Steel Detail

Transmission Tower Details Dec 2020

  • khoitsma
  • Steel Detail
  • 0 Comments
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Hyatt Regency Walkway Collapse

  • khoitsma
  • AISC, Steel Detail
  • 0 Comments

Detailing matters! Original design vs Actual fabrication STRUCTURE Magazine August 2016

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Yield Line Theory — Rotation Angles Feb 2020

  • khoitsma
  • AISC, Mathematics, Steel Detail
  • Aisc plate rotation mathematics
  • 0 Comments

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

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World Refining Magazine

  • khoitsma
  • AISC, Petrochemical Design, Steel Detail
  • 0 Comments

A magazine article I wrote in 2002. Link to Reformer Design Article

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AISC Bolt Shear — C Coefficient Jul 2019

  • khoitsma
  • AISC, iPad_iPhone, Pythonista, Steel Detail
  • 2 Comments

 

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AISC C Coefficient for Bolt Groups using Azure Jupyter Notebook Oct 2018

  • khoitsma
  • AISC, Azure, Jupyter, Python, Steel Detail
  • 0 Comments

I decided to try out Jupyter using Microsoft Azure (currently free).  I’ve invested a couple days on this project including learning new notebook extensions and Interact widgets. And so far, so good. Pros Easy to use Well-documented Relatively trouble-free Cons Could have faster response times

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AISC C Coefficient for Bolt Groups using Pythonista Nov 2017

  • khoitsma
  • AISC, iPad_iPhone, Python, Pythonista, Steel Detail
  • 0 Comments

NOTE:   Video format changed to MP4.

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AISC C Coefficient for Bolt Groups Nov 2017

  • khoitsma
  • AISC, Excel, PyXLL, Steel Detail
  • 0 Comments

    Replaces 48 pages of design tables in the AISC Manual. Allows any: bolt quantity or row spacing or column spacing or rotation No manual interpolation required.               Karl Hoitsma, P.E. (khoitsma)

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AISC Bolt Calculations Jul 2017

  • khoitsma
  • AISC, Excel, PyXLL, Steel Detail
  • 0 Comments

Eccentric Shear Connections Eccentrically loaded bolt group Ultimate Strength (Plastic Analysis) Uses Instantaneous Center of Rotation (I.C.)          

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