Sints) A rectangular concrete section is reinforced with three no. 9 bars in one row and has a width of 12 in., a total
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Sints) A rectangular concrete section is reinforced with three no. 9 bars in one row and has a width of 12 in., a total
Sints) A rectangular concrete section is reinforced with three no. 9 bars in one row and has a width of 12 in., a total depth of 25 in., and d=22.5 inertia, Ig, and the cracking moment, Mer. (Fig shown. Calculate the modulus of rupture, fr, the gross moment of Usef. = 4 ksi and fy =60 ksi. 123 1 -- - 22.5" - 1 1 1 - 1 1 23 As 12 12 Stress diagram
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