5.1 Use the approximate bending moment equation, Mu = 4 As d to calculate the bending moment capacity of a 1-ft wide strip of the slab shown below for two reinforcing bar arrangements: 12" Temprature & shrinkage Bars Bottom Bars Slab Section Concrete cover is 0.75 inch a) #6 bottom bars at 12" on-center b) #5 bottom bars at 9 on-center Material properties: Concrete f'c = 4,000 psi Steel fy = 60 ksi

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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5.1 Use the approximate bending moment equation, Mu = 4 As d to calculate the bending moment capacity of a 1-ft wide strip
of the slab shown below for two reinforcing bar arrangements:
12"
Temprature &
shrinkage Bars
Bottom Bars
Slab Section
Concrete cover is 0.75 inch
a) #6 bottom bars at 12" on-center
b) #5 bottom bars at 9" on-center
Material properties:
Concrete f'c = 4,000 psi
Steel fy = 60 ksi
Transcribed Image Text:5.1 Use the approximate bending moment equation, Mu = 4 As d to calculate the bending moment capacity of a 1-ft wide strip of the slab shown below for two reinforcing bar arrangements: 12" Temprature & shrinkage Bars Bottom Bars Slab Section Concrete cover is 0.75 inch a) #6 bottom bars at 12" on-center b) #5 bottom bars at 9" on-center Material properties: Concrete f'c = 4,000 psi Steel fy = 60 ksi
Expert Solution
Step 1

Answer 

We are given 

total h = 6 in

concrete cover = 0.75 inch

f'c = 4000 psi

fy = 60000 psi

Bending Moment equation Mu = 4*As*d

Calculations shown in step below 

 

 

 

 

 

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