D = 2,500 lb/ft (excluding self weight) L = 2,500 lb/ft 12 ft-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Question
Design the cantilever rectangular reinforced beam shown in the figure. Provide a maximum of #8 size
bars, in two rows if necessary; f ’c = 3,000 lbf/in2, f y = 50,000 lbf/in2. Sketch the design. Include the self-
weight of the reinforced concrete beam. Apply Load Combination 2 only. Comply your design with the
ACI specifications for beams (see slides 28-32 of lecture ‘L07 - Concrete Flexion I’. Explain why the re-
inforcement steel has to be laid at the top and not at the bottom. Exploit the instructor spreadsheet calcula-
tor posted in D2L to speed up the numerical calculations.
bars, in two rows if necessary; f ’c = 3,000 lbf/in2, f y = 50,000 lbf/in2. Sketch the design. Include the self-
weight of the reinforced concrete beam. Apply Load Combination 2 only. Comply your design with the
ACI specifications for beams (see slides 28-32 of lecture ‘L07 - Concrete Flexion I’. Explain why the re-
inforcement steel has to be laid at the top and not at the bottom. Exploit the instructor spreadsheet calcula-
tor posted in D2L to speed up the numerical calculations.
![D = 2,500 lb/ft (excluding self weight)
L = 2,500 lb/ft
12 ft-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8d0aefe-c44c-410d-af9b-5d1160e3c1bc%2F135bcd45-1050-498f-af83-52dccd2ca07b%2Ff6gwrg_processed.png&w=3840&q=75)
Transcribed Image Text:D = 2,500 lb/ft (excluding self weight)
L = 2,500 lb/ft
12 ft-
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