5-6 You are to design a rectangular beam section to resist a negative bending moment of 320 k-ft. Architectural requirements will limit your beam Video dimensions to a width of 12 in. and a total depth of Solution 20 in. Using those maximum permissible dimen- sions, select reinforcement to provide the required moment strength. You may need to add compres- sion steel to make this a tension-controlled section. Use f. = 5000 psi and f, = 60 ksi.
5-6 You are to design a rectangular beam section to resist a negative bending moment of 320 k-ft. Architectural requirements will limit your beam Video dimensions to a width of 12 in. and a total depth of Solution 20 in. Using those maximum permissible dimen- sions, select reinforcement to provide the required moment strength. You may need to add compres- sion steel to make this a tension-controlled section. Use f. = 5000 psi and f, = 60 ksi.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:5-6 You are to design a rectangular beam section to
resist a negative bending moment of 320 k-ft.
Architectural requirements will limit your beam
Video dimensions to a width of 12 in. and a total depth of
Solution
20 in. Using those maximum permissible dimen-
sions, select reinforcement to provide the required
moment strength. You may need to add compres-
sion steel to make this a tension-controlled section.
Use f. = 5000 psi and f, = 60 ksi.
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