Part 1: Section Analysis (STRUCTURE, April 2023) presented a general framework for flexural analysis of singly reinforced and doubly reinforced beam sections. In this Part 2: Section Design, flexural design of singly reinforced and doubly reinforced beam sections is studied. The focus is on general sections instead of rectangular sections only. Although it may be adequate to design beam sections using a trial-and-error approach based on the section analysis steps outlined in Part 1, the design approach presented in this article determines the minimum required steel area to support a given factored bending moment.
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