Question

A 12 ft cantilever beam 21 in. wide x 30 in, deep is reinforced by four # 8 bars as shown. Given fc 4000 psi and fy 60,000 psi. 3 in. is the cover to the center of the # 8 bar 21 #8 bars are spaced 5 in. center to center 33 @5 153 3 4 #8 #3 stirrups @6. O.С. Ж 27 30 #3 stirrups are 6 in. on center

1) The strain in the steel at failure is most nearly:  

A. 0.002

B. 0.005

C. 0.018

D. 0.023

E. 0.003  

2) Find the development length of the # 8 bar in tension.

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1) The strain in the steel at failure is most nearly:   A. 0.002 B. 0.005 C....
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