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Unformatted text preview: c from the compression face to the neutral axis? What is the stress f s ' in the compression steel A s '? 3. Compute the nominal flexural strength M n for this doubly reinforced beam. 4. Determine whether or not this section is tension controlled according to ACI 10.3.4 and Fig. R9.3.2 . What is the strength reduction factor ? 5. Consider this beam for a 25ft simply supported span. If the uniformly distributed superimposed dead load of supported structure is w SDL = 1.0 k/ft (not including the weight of beam; assume reinforced concrete weighs 150 lbs/ft 3 to determine the selfweight of the beam), what is the uniformly distributed service live load w LL (k/ft) that can be carried by this beam?...
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 Spring '09

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