A simply supported beam with dimensions of b = 18 in., h = 24 in., d = 21.5 in., and L = 19 ft supports a uniform service (unfactored) dead load of 2.05 kips/ft including its own self weight plus a uniform service (unfactored) live load of 0.8 kips/ft. The beam is reinforced with three No. 7 Grade 60 bars. The concrete strength is 10,000 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the effective moment of inertia, Ie.The cracked moment Mcr = 108 kip-ft, and the maximum applied bending moment due to the combined service loads (dead plus live) Ma = 128.6 kip-ft. The neutral axis location of the cracked beam (measured from the top of the beam) is 4.1961 in.

A rectangular beam with cross section b = 14 in., h = 26 in., and d = 23.5 in. supports a total factored uniform load of 3.10 kips/ft, including its own dead load. The beam is simply supported with a 23-ft span. It is reinforced with four No. 8 Grade 60 bars, two of which are cutoff between midspan and the support and two of which extend 10 in. past the centers of the supports. The concrete strength is 3,300 psi (normal weight). The beam has Grade 60 No. 3 stirrups satisfying ACI 318-14 Sections 9.7.6.2.2 and 9.6.3.3. The strength of the four bars is φMn = 299.8 kip-ft, and the strength of the remaining two bars is φMn = 158.5 kip-ft. Determine the distance from the support to the theoretical cutoff point (i.e. disregard ACI 318-14 Section 9.7.3.3).

Paso 2 (6 pts) (1 pt per sentence: 0.5 pts meaning, 0.5 pts form)  Nuria is talking to her mother and describing the day she and her friends had yesterday at Penn State. Write what she says with the correct forms of the preterit tense using the appropriate verb. Each verb may ONLY be used once.

The hardest way to test the bond strength of bars in a laboratory is by the pull-out test.

Failure of a hooked anchorage rarely involves crushing of the concrete inside the hook.

At factored loads, the reinforcing steel is in the elastic range of behavior.

Compression-development lengths are considerably shorter than tension-development lengths, because some force is transferred to the concrete by the bearing at the end of the bar.

Map cracking can be prevented by proper mix design and by preventing rapid drying of the surface during the first hour or so after placing.

Bricks expand with time due to an increase in _______ above their kiln-dried condition.

What is the easiest way to test the bond strength of bars in a laboratory?