Problem: The deep beam shown in the following Figure supports a factored column load of 1450 kips. The beam and all columns are 24 in. wide. a) Draw a strut-and-tie model assuming horizontal and vertical confinement reinforcement will be provided to justify using Bs = 0.75 for inclined struts. b) Including the weight of the beam, check the strength of the nodes and struts, and design reinforcement for the bottom tension tie. c) design the required horizontal and vertical reinforcement to justify the use of Bs = 0.75 for the inclined struts. Also check that the reinforcement you provide satisfies the minimum reinforcement percentages specified in ACI Code. Use Use normal-weight concrete with f'c== 4000 psi and use fy = 60 ksi, fyt= 60 ksi 1450 kip 5 -9" Good Luck 36" B C 30" 24" 20' -3"
Problem: The deep beam shown in the following Figure supports a factored column load of 1450 kips. The beam and all columns are 24 in. wide. a) Draw a strut-and-tie model assuming horizontal and vertical confinement reinforcement will be provided to justify using Bs = 0.75 for inclined struts. b) Including the weight of the beam, check the strength of the nodes and struts, and design reinforcement for the bottom tension tie. c) design the required horizontal and vertical reinforcement to justify the use of Bs = 0.75 for the inclined struts. Also check that the reinforcement you provide satisfies the minimum reinforcement percentages specified in ACI Code. Use Use normal-weight concrete with f'c== 4000 psi and use fy = 60 ksi, fyt= 60 ksi 1450 kip 5 -9" Good Luck 36" B C 30" 24" 20' -3"
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem:
The deep beam shown in the following Figure supports a factored column load of 1450 kips. The beam and
all columns are 24 in. wide.
Draw a strut-and-tie model assuming horizontal and vertical confinement reinforcement will be
provided to justify using Bs = 0.75 for inclined struts.
b) Including the weight of the beam, check the strength of the nodes and struts, and design
reinforcement for the bottom tension tie.
a)
design the required horizontal and vertical reinforcement to justify the use of Bs = 0.75
for the inclined struts. Also check that the reinforcement you provide satisfies the minimum
reinforcement percentages specified in ACI Code.
c)
Use Use normal-weight concrete with f'c== 4000 psi and use fy 60 ksi, fy= 60 ksi
1450 kip
5'-9"
Good Luck
36"
A
30"
24
20'-3"
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