Joist and waffle slab to ACI 318-19 9.8, 8.8
Pan joist and waffle slabs: joist limits, slab thickness, rib flexure and shear with the joist shear increase.
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What you get
From the inputs to a finished joist and waffle slab calculation
The applicable checks, step by step
Every check to ACI 318-19 9.8, 8.8 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 joist and waffle slab is tested
Against hand calculations from the code equations, on every change. The method and the sources.
Learn
Step by step
User manual: Joist and waffle slab
Every input, check and option of the calculation explained.
Video: Concrete: a simply supported beam
A 16 by 26 in. beam: why you read every row and not only the status bar, and what a stirrup spacing past its limit does. (1:42)
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