Question 2 Problem 2: A reinforced concrete beam is subjected to a required moment (M) of...

 

Transcribed Image Text:

Question 2 Problem 2: A reinforced concrete beam is subjected to a required moment (M₁) of 648 k-ft. the beam is reinforced with eight No. 8 bars in two rows (Fig. 2), as positioned. It may be assumed without verification that the strength reduction factor (i.e., phi) is 0.9. The minimum adequate overall width b (to the nearest whole inch) for the section is most nearly: h = 30" ο ο ο ο 13 O 15 O 10 12 2.5" ↑ 8 No. 8 ●● ●●●● b=? Fig. 2 Problem 2 ↓ 2" 5 pts f = 4 ksi and fy = 60 ksi Question 2 Problem 2: A reinforced concrete beam is subjected to a required moment (M₁) of 648 k-ft. the beam is reinforced with eight No. 8 bars in two rows (Fig. 2), as positioned. It may be assumed without verification that the strength reduction factor (i.e., phi) is 0.9. The minimum adequate overall width b (to the nearest whole inch) for the section is most nearly: h = 30" ο ο ο ο 13 O 15 O 10 12 2.5" ↑ 8 No. 8 ●● ●●●● b=? Fig. 2 Problem 2 ↓ 2" 5 pts f = 4 ksi and fy = 60 ksi

Answer rating: 100% (QA)

using the equation As Z for d 2 N fy o ... View the full answer