Nominal Strength Analysis (Ultimate Strength Stage) Problem 3) Modified Problem 2.28 (page 59, McCormac and Brown, 10th Ed.) Change f'c to 5 ksi (a) Determine the depth of equivalent compression block, a = in

Nominal Strength Analysis (Ultimate Strength Stage) Problem 3) Modified Problem 2.28 (page 59, McCormac and Brown, 10th Ed.) Change f'c to 5 ksi (a) Determine the depth of equivalent compression block, a = in

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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Question

Please answer problem 3. assume the sections have cracked and use the transferred area method to compute their flexural stresses for the loads or moments given

Problem 2.13 (Ans. f. = 1762 psi; f, = 28,635 psi at the steel centroid)
30 k
2 k/ft (including beam weight)
n= 8
32 in.
36 in.
-10 ft-
20 ft
6 #9
30 ft
4 in.
-16 in.-

Nominal Strength Analysis (Ultimate Strength Stage)
Problem 3) Modified Problem 2.28 (page 59, McCormac and Brown, 10th Ed.)
Change f'. to 5 ksi
(a) Determine the depth of equivalent compression block, a =
in
(b) Nominal moment capacity, Mn =
ft*kip
Problem 4) Modified Problem 2.29 (page 59, McCormac and Brown, 10th Ed.)
Change beam width from 16 in. to 18 in.
(c) Find the centroid of the steel bars measured from top of the beam, d =
in
(d) Determine the depth of equivalent compression block, a =
in
(e) Nominal moment capacity, Mn =
ft*kip

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