Loads

Wind loads, envelope procedure to ASCE 7-22 Ch. 28

The low-rise envelope procedure for flat and gable roofs: all zones of the four load cases, torsional cases and their exceptions, shear, torsion and uplift, parapets, overhangs and minimum loads.

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ILX Calcs editor for a wind loads, envelope procedure calculation: inputs, status, live checks and the drawing

What you get

From the inputs to a finished wind loads, envelope procedure calculation

Every step shown

Each result with its equation, the values that go into it and, where there is one, the code section. Results update as you type.

A calculation report a reviewer can follow

Inputs and every step with its result and reference, 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 wind loads, envelope procedure is tested

6worked examples
46values compared
46match
0documented differences, each explained

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

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