Question 1. What is the effective width of a T beam? What does it represent? a.

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Question 1. What is the effective width of a T beam? What does it represent?

a. one-fourth of the beam span

b. 16 times the slab thickness plus the width of web

c. clear distance to adjacent webs plus width of web

d. the biggest number of the first three choices

the smallest number of the first three choices

Question 2. A rectangular beam is to be sized with fy=60000 psi, fc'=3000 psi. It is to have a 25 ft simple span and to support a dead load in addition to its own weight equal to 2k/ft and a live load equal to 3k/ft. Which of the following design is appropriate?

a. 3#9, 15x30 beam (d=28 in)

b. 4#9, 13x30 beam (d=27 in)

c. 5#9, 18x34 beam (d=31 in)

d. None of the above

Question 3. Determine the design moment strength of the sections shown in the following figure. Use fy = 60000 psi and fc'=3000 psi.

a. 369.1 ft-k

b. 366.1 ft-k

c. 362.1 ft-k

d. None of the above

a. one-fourth of the beam span

b. 16 times the slab thickness plus the width of web

c. clear distance to adjacent webs plus width of web

d. the biggest number of the first three choices

the smallest number of the first three choices

Question 1. What is the effective width of a T beam? What does it represent? a. one-fourth of the beam span b. 16 times the slab thickness plus the width of web c. clear distance to adjacent webs plus width of web d. the biggest number of the first three choices the smallest number of the first three choices Question 2. A rectangular beam is to be sized with fy=60000 psi, fc'=3000 psi. It is to have a 25 ft simple span and to support a dead load in addition to its own weight equal to 2k/ft and a live load equal to 3k/ft. Which of the following design is appropriate? a. 3#9, 15x30 beam (d=28 in) b. 4#9, 13x30 beam (d=27 in) c. 5#9, 18x34 beam (d=31 in) d. None of the above Question 3. Determine the design moment strength of the sections shown in the following figure. Use fy = 60000 psi and fc'=3000 psi. a. 369.1 ft-k b. 366.1 ft-k c. 362.1 ft-k d. None of the above

Explanation / Answer

1.c. clear distance to adjacent webs plus width of web
2.b. 4#9, 13x30 beam (d=27 in)
3,a. 369.1 ft-k

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