For part A: I got 6.64 in and 0.0108 or 1.08%For part B: Please compute the R value: R=ρfy(1-a/2d)Then compute the Mt value: Mt=Rbd^2Please show how to get units in kip ftFor part C:Please solve 3. A 24 ft long, simply supported beam carries only a uniform live load (W). The beam has thefollowing properties:f,= 60 ksif= 3,000 psi• b = 14 ind = 26 in• h = 30 inSteel: contains five (5) # 8 bars.a)Compute the depth of the compressive stress block (a) and the actual percentage ofreinforcement (p).b)Compute the R value and use this to compute the moment capacity (M.) in kip ft.c)Use the M; value to solve for the ultimate moment (M.). The use this value to solve for theuniform live load (WL) in units of k/ft without the live load service factor (1.6).

Answer We are given Beam span = 24 ft fy = 60 ksi f'c = 3 Ksi b = 14 in d = 26 in h = 30 in Steel…

3. A 24 ft long, simply supported beam carries only a uniform live load (WL). The beam has the following properties: • f,= 60 ksi f= 3,000 psi • b = 14 in • d = 26 in • h = 30 in • Steel: contains five (5) # 8 bars. Compute the depth of the compressive stress block (a) and the actual percentage of reinforcement (p). b) Compute the R value and use this to compute the moment capacity (M.) in kip ft. c) Use the M; value to solve for the ultimate moment (M.). The use this value to solve for the uniform live load (WL) in units of k/ft without the live load service factor (1.6).

3. A 24 ft long, simply supported beam carries only a uniform live load (WL). The beam has the following properties: • f,= 60 ksi f= 3,000 psi • b = 14 in • d = 26 in • h = 30 in • Steel: contains five (5) # 8 bars. Compute the depth of the compressive stress block (a) and the actual percentage of reinforcement (p). b) Compute the R value and use this to compute the moment capacity (M.) in kip ft. c) Use the M; value to solve for the ultimate moment (M.). The use this value to solve for the uniform live load (WL) in units of k/ft without the live load service factor (1.6).

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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