A rectangular plain concrete beam section, 250x500 gross dimension, is cast using a concrete strength fc’ = 30 MPa. Assuming the concrete to crack at a tensile stress equal to 3.28 MPa, determine the magnitude of a concentrated load, excluding its own weight, at midspan that the beam can carry before it cracks if it is on a simple span of 5 m. Concrete weighs 24 kN/m3. Use Mmax=wL/4
A rectangular plain concrete beam section, 250x500 gross dimension, is cast using a concrete strength fc’ = 30 MPa. Assuming the concrete to crack at a tensile stress equal to 3.28 MPa, determine the magnitude of a concentrated load, excluding its own weight, at midspan that the beam can carry before it cracks if it is on a simple span of 5 m. Concrete weighs 24 kN/m3. Use Mmax=wL/4
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A rectangular plain concrete beam section, 250x500 gross dimension, is cast using a concrete strength fc’ = 30 MPa. Assuming the concrete to crack at a tensile stress equal to 3.28 MPa, determine the magnitude of a concentrated load, excluding its own weight, at midspan that the beam can carry before it cracks if it is on a simple span of 5 m.
Concrete weighs 24 kN/m3.
Use Mmax=wL/4.
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