Foundations

Strap footing to ACI 318-19

An exterior footing at a property line tied to an interior footing by a strap beam: rigid strap reactions, bearing, strap flexure and shear, footing bending and shear, and punching at the interior column.

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ILX Calcs editor for a strap footing calculation: inputs, status, live checks and the drawing

What you get

From the inputs to a finished strap footing calculation

The applicable checks, step by step

Every check to ACI 318-19 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 strap footing is tested

1worked examples
4values compared
0match
4documented differences, each explained

Against published examples and tables, on every change. The method and the sources.

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ILX Studio, LLC is not affiliated with or endorsed by AISC, ACI, AWC, TMS, AISI, ASCE or any other code organization.