For a beam with stirrup hooks, the free end of the bar must…

For a beam with stirrup hooks, the free end of the bar must extend at least _____ from the hook. Assume b1 = 29 in., b2 = 12 in., d1 = 6 in., d2 = 13 in., and that there are three No. 8 longitudinal tension bars and No. 4 stirrups at 8 in. o.c. The stirrup hooks are 90°.

Paso 2 (3 pts) Alicia and Luis are still talking about their…

Paso 2 (3 pts) Alicia and Luis are still talking about their sport and activities preferences. Complete each sentence with the most appropriate verb in the infinitive. Note: An infinitive form of a verb is a word that ends in -ar, -er, -ir, for example, “estudiar”. 

A beam has dimensions of b = 20 in., h = 10 in., and d = 7.5…

A beam has dimensions of b = 20 in., h = 10 in., and d = 7.5 in. and is reinforced with 4 No. 9 bars. The concrete strength is 4,700 psi, and the yield strength of the reinforcement is 60,000 psi. If the depth of the neutral axis is c = 3.686 in., does the reinforcement yield?