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Modulus of rupture is calculated using the formula:(a) f=PL/bd^2(b) f=PL^3/3EI(c) f=I/6bd^2(d) f=Pb/Ld^2I have been asked this question in an international level competition.Query is from Tests on Concrete in division Building Construction of Basic Civil Engineering |
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Answer» RIGHT option is (a) f=PL/bd^2 To elaborate: The modulus of RUPTURE is FOUND out dividing MAXIMUM moment M/section FACTOR Z.M is given by PL/6 and Z=1/6bd^2. |
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