Steel side and knife plate connections to AISC 360-22 J3, J4
Bolts or drift pins through wood with steel side plates or a knife plate: yield modes, group action, spacing, net section and tear-out of the wood, and the steel plate (NDS 2024, AISC 360-22).
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What you get
From the inputs to a finished steel side and knife plate connections calculation
The applicable checks, step by step
Every check to AISC 360-22 J3, J4 with its equation, the values that go into it, the result and the code section, and the governing case up front. Results update as you type.
A calculation report a reviewer can follow
Inputs, load combinations, every check with its result and reference, and the governing case, in a clear PDF with your title block.
Drawings
Where the calculation has a shape to draw: elevations, sections and the diagrams, on a sheet with your title block, as PDF or DXF.
Your units, your method
US or metric units at any time, LRFD or ASD where the code offers both; the report follows.
Verification
How the steel side and knife plate connections is tested
Against published examples and hand calculations from the code equations, on every change. The method and the sources.
Learn
Step by step
User manual: Steel side and knife plate connections
Every input, check and option of the calculation explained.
Video: Wood: a built-up header
A 2x12 header over a 12 ft opening: two plies fail in bending, three plies pass, and the nailing between them governs. (1:38)
More wood calculations
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