4. Consider a standard flexural strength specimen of length L, width a, and depth a. Assume center point loading where the load at failure from the test machine is P. Derive the equation for calculating the modulus of rupture of the beam in terms of P, L, and a. The third-point loading flexure strength test was performed on a concrete beam having a cross section of 0.15 m by 0.15 m and a span of 0.45 m. If the load at failure was 35.7 kN, calculate the flexure strength of the concrete. The center-point loading flexure strength test was performed on a concrete beam having a cross section of 4 in. by 4 in. and a span of 8 in. If the load at failure was 5,000 lb, calculate the flexure strength of the concrete.
4. Consider a standard flexural strength specimen of length L, width a, and depth a. Assume center point loading where the load at failure from the test machine is P. Derive the equation for calculating the modulus of rupture of the beam in terms of P, L, and a. The third-point loading flexure strength test was performed on a concrete beam having a cross section of 0.15 m by 0.15 m and a span of 0.45 m. If the load at failure was 35.7 kN, calculate the flexure strength of the concrete. The center-point loading flexure strength test was performed on a concrete beam having a cross section of 4 in. by 4 in. and a span of 8 in. If the load at failure was 5,000 lb, calculate the flexure strength of the concrete.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. Consider a standard flexural strength specimen of length L, width a, and depth a. Assume center
point loading where the load at failure from the test machine is P. Derive the equation for calculating
the modulus of rupture of the beam in terms of P, L, and a.
The third-point loading flexure strength test was performed on a concrete beam having a cross section
of 0.15 m by 0.15 m and a span of 0.45 m. If the load at failure was 35.7 kN, calculate the flexure
strength of the concrete.
The center-point loading flexure strength test was performed on a concrete beam having a cross
section of 4 in. by 4 in. and a span of 8 in. If the load at failure was 5,000 lb, calculate the flexure
strength of the concrete.
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