Materials for Civil and Construction Engineers (2nd Edition)
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ISBN: 9781292154411
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Chapter 7, Problem 7.37QP
Consider a standard flexural strength specimen of length L, width a, and depth a. Assume third point loading where the load at failure from the test machine is P, which is distributed evenly (1/2 to each) over the two loading points. Derive the equation for calculating the modulus of rupture of the beam in terms of P, L, and a.
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Consider a standard flexural strength specimen of length L, width a, and depth a. Assume third point loading where the load at failure from the test machine is P, which is distributed evenly (½ to each) over the two loading points. Derive the equation for calculating the modulus of rupture of the beam in terms of P, L, and a.
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Consider a standard flexural strength specimen of length L, width a, anddepth a. Assume third point loading where the load at failure from the testmachine is P, which is distributed evenly (1/2 to each) over the two loadingpoints. Derive the equation for calculating the modulus of rupture of the beamin terms of P, L, and a.
Determine the cracking moment of a rectangular concrete beam that is 18-inches tall and 6-inches wide. Take f’c as 5000 psi. What is the moment of inertia (Ig) of the beam if during a flexure test, the tension face of the beam developed a 2-inch deep crack, but was quickly unloaded and did not completely fail?
Chapter 7 Solutions
Materials for Civil and Construction Engineers (2nd Edition)
Ch. 7 - The design engineer specifies a concrete strength...Ch. 7 - A project specifies a concrete strength of 24.1...Ch. 7 - A project specifies a concrete strength of at...Ch. 7 - What is your recommendation for the maximum size...Ch. 7 - A concrete mix with a 3-in. slump, w/c ratio of...Ch. 7 - Prob. 7.6QPCh. 7 - You are working on a concrete mix design that...Ch. 7 - Design the concrete mix according to the following...Ch. 7 - Design the concrete mix according to the following...Ch. 7 - The design of a concrete mix requires 1173 kg/m3...
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