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Problem 7.29 Calculations show that 2.24 in. 22.24 in.² of top or negative moment steel is required for the beam shown. Three #8 bars have been selected. Are the 4 ft. 6 in. embedment lengths shown satisfactory if f = 4000 psi f = 4000 psi and f₁ = 60,000 psify = 60,000 psi? Bars are spaced 3 in. o.c. with 3-in.3-in. side and top cover measured from c.g. of bars. Use Ktr OK 0. (Ans. No; ld = 58.8 in. > 4 ft 6 in. €₁ = 58.8 in. > 4 ft 6 in., not adequate) 3 #8 = = tr 3 #8 3 in. 21 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in.

Problem 7.29 Calculations show that 2.24 in. 22.24 in.² of top or negative moment steel is required for the beam shown. Three #8 bars have been selected. Are the 4 ft. 6 in. embedment lengths shown satisfactory if f = 4000 psi f = 4000 psi and f₁ = 60,000 psify = 60,000 psi? Bars are spaced 3 in. o.c. with 3-in.3-in. side and top cover measured from c.g. of bars. Use Ktr OK 0. (Ans. No; ld = 58.8 in. > 4 ft 6 in. €₁ = 58.8 in. > 4 ft 6 in., not adequate) 3 #8 = = tr 3 #8 3 in. 21 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 7.29 Calculations show that 2.24 in. 22.24 in.² of top or negative moment steel is required for the beam shown. Three #8 bars have been selected. Are the 4 ft. 6 in. embedment lengths shown satisfactory if f = 4000 psi f = 4000 psi and f₁ = 60,000 psify = 60,000 psi? Bars are spaced 3 in. o.c. with 3-in.3-in. side and top cover measured from c.g. of bars. Use Ktr OK 0. (Ans. No; ld = 58.8 in. > 4 ft 6 in. €₁ = 58.8 in. > 4 ft 6 in., not adequate) 3 #8 = = tr 3 #8 3 in. 21 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in.
Transcribed Image Text:Problem 7.29 Calculations show that 2.24 in. 22.24 in.² of top or negative moment steel is required for the beam shown. Three #8 bars have been selected. Are the 4 ft. 6 in. embedment lengths shown satisfactory if f = 4000 psi f = 4000 psi and f₁ = 60,000 psify = 60,000 psi? Bars are spaced 3 in. o.c. with 3-in.3-in. side and top cover measured from c.g. of bars. Use Ktr OK 0. (Ans. No; ld = 58.8 in. > 4 ft 6 in. €₁ = 58.8 in. > 4 ft 6 in., not adequate) 3 #8 = = tr 3 #8 3 in. 21 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in. 4 ft 6 in.
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