For Problems 2.6 and 2.7, calculate the uniform load (in addi-tion to the beam weight) that will cause the sections to beginto crack if they are used for 28-ft simple spans. f = 4000 psi,f = 7.5√, and reinforced concrete weight = 150 lb/ft².Problem 2.6447Problem 2.7 (Ans. 0.343 k/ft)34912 in21 in-14 in.4 in.24 in22 in 30 inTransformed-Area MethodFor Problems 2.8 to 2.14, assume the sections have cracked anduse the transformed-area method to compute their flexural stressesfor the loads or moments given.Problem 2.817 in20 in3 in.M = 60 ft-kn=8Problem 2.9 Repeat Problem 2.8 if four #6 bars are used.(Ans. f = 1356 psi, f, = 26,494 psi)Problem 2.108496 #921 in.-14 in27 in3 in.Problem 2.11 (Ans. f = 1258 psi, f,= 14,037 psi inbottom layer, f, = 12,889 psi at steel centroid)18 in.3 in..M = 120-k24 in.3 in.M-110-k

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Answered: n to the beam weight) that will cause…

n to the beam weight) that will cause the crack if they are used for 28-ft simple spa =75√, and reinforced concrete weight = oblem 2.6 447

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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