2.12 A single-span concrete beam has a 12" square cross-section and supports a concentrated load at its mid-span. Concrete tension strength, ft = 400 psi. Determine the magnitude of the concentrated force that would cause flexural cracking in the beam. b=12" h=12" R₂ 8ft P 8ft- R₂
2.12 A single-span concrete beam has a 12" square cross-section and supports a concentrated load at its mid-span. Concrete tension strength, ft = 400 psi. Determine the magnitude of the concentrated force that would cause flexural cracking in the beam. b=12" h=12" R₂ 8ft P 8ft- R₂
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2.12
A single-span concrete beam has a 12" square cross-section and supports a concentrated load at its mid-span.
Concrete tension strength, ft = 400 psi. Determine the magnitude of the concentrated force that would cause
flexural cracking in the beam.
b=12"
h=12"
R₂
8ft-
P
-8ft
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