2. a) Find the approximate required height for a continuous beam of 14-in width over 20-ft spans with uniform service loads of 3 kips/ft (live) and 4 kips/ft (dead which includes the beam self weight). Maximum moment has been estimated to be WL2/9. Assume reinforcement ratio 2/3 from maximum, fy =60 ksi, and fc' = 3 ksi. b) Find the approximate effective depth if 5000 psi concrete is used instead. Comment.
2. a) Find the approximate required height for a continuous beam of 14-in width over 20-ft spans with uniform service loads of 3 kips/ft (live) and 4 kips/ft (dead which includes the beam self weight). Maximum moment has been estimated to be WL2/9. Assume reinforcement ratio 2/3 from maximum, fy =60 ksi, and fc' = 3 ksi. b) Find the approximate effective depth if 5000 psi concrete is used instead. Comment.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2.
a) Find the approximate required height for a continuous beam of 14-in width over 20-ft
spans with uniform service loads of 3 kips/ft (live) and 4 kips/ft (dead which includes the
beam self weight). Maximum moment has been estimated to be WL²/9. Assume
reinforcement ratio 2/3 from maximum, fy =60 ksi, and fc' = 3 ksi.
b) Find the approximate effective depth if 5000 psi concrete is used instead. Comment.
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