© 2009 Jonathan Ochshorn.
Directions: Enter values in yellow fields.
Press "update" button. Solutions will be displayed. (Based on ASD method, AISC Manual of Steel Construction, 14th Edition. More detailed explanations and examples can be found in my text.) There will also be short-answer questions and/or sketches on the prelim, not included in this calculator.
1. Reinforced concrete column design (20 points): A square column (tied or spiral) supports a specified design (factored) load, Pu = 1.2D + 1.6L. From Table A-5.5, α and φ are given.
a) Find required steel area, As; b) Select the specified number of rebars from Table A-5.2; c) Check steel ratio; d) Check bar fit from Table A-5.3.
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Disclaimer: This calculator is not intended to be used for the design of actual structures, but only for schematic (preliminary) understanding of structural design principles. For the design of an actual structure, a competent professional should be consulted. This is a beta version; please report any strange results!
First posted April 23, 2019 | Last updated April 28, 2019