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Example Using Circular References to Force Iteration: Calculation Effective Section Modulus for Coldformed C-Section to AS4600
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Calculation of effective section modulus (Zex) using effective width methods of AS4600, for a coldformed c-section. The workbook is dependent on: schTechLib It uses circular references to force iteration on the calculation of the section centroid. The web has a stress gradient and so the portion which is in compression and not effective is unknown. Has chunks are removed to determine effective width of plates, the section modulus of the c-section changes and so does the location of the neutral axis, and so the portion of the web in compression is different than initially assumed. The circular references force iteration until the difference between the initial assumption and the calculated value is insiginificant.
Cold Form Sections
- Submitted By:
- Conrad Harrison (InfoJunkie65)
- Submitted On:
- 29 Aug 2010
- File Size:
- 79.00 Kb
- File Version:
- File Author:
- Conrad Harrison